diff --git a/.gitignore b/.gitignore
index 381bd778..f56abda5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,6 +27,3 @@ Package.resolved
 
 # Cache of project
 .gradletasknamecache
-
-# Ignore generated sources
-**/generated/
diff --git a/.licenseignore b/.licenseignore
index cb3be0cf..5d0e3172 100644
--- a/.licenseignore
+++ b/.licenseignore
@@ -33,15 +33,7 @@ Makefile
 **/*.html
 **/CMakeLists.txt
 **/*.jar
+**/generated/*.swift
 gradle/wrapper/gradle-wrapper.properties
 gradlew
 gradlew.bat
-**/*.swift2java
-Sources/JavaKit/generated/*
-Sources/JavaKitJar/generated/*
-Sources/JavaKitNetwork/generated/*
-Sources/JavaKitReflection/generated/*
-Sources/_Subprocess/*
-Sources/_Subprocess/**/*
-Sources/_SubprocessCShims/*
-Sources/_SubprocessCShims/**/*
diff --git a/Makefile b/Makefile
index 00d33ca4..ab0a89b6 100644
--- a/Makefile
+++ b/Makefile
@@ -72,17 +72,21 @@ generate-JavaKit: Java2Swift
 	mkdir -p Sources/JavaKit/generated
 	$(BUILD_DIR)/debug/Java2Swift --module-name JavaKit -o Sources/JavaKit/generated Sources/JavaKit/Java2Swift.config
 
-generate-JavaKitReflection: Java2Swift generate-JavaKit
+generate-JavaKitCollection: Java2Swift
+	mkdir -p Sources/JavaKitCollection/generated
+	$(BUILD_DIR)/debug/Java2Swift --module-name JavaKitCollection  --depends-on JavaKit=Sources/JavaKit/Java2Swift.config -o Sources/JavaKitCollection/generated Sources/JavaKitCollection/Java2Swift.config
+
+generate-JavaKitReflection: Java2Swift generate-JavaKit generate-JavaKitCollection
 	mkdir -p Sources/JavaKitReflection/generated
-	$(BUILD_DIR)/debug/Java2Swift --module-name JavaKitReflection --depends-on JavaKit=Sources/JavaKit/Java2Swift.config -o Sources/JavaKitReflection/generated Sources/JavaKitReflection/Java2Swift.config
+	$(BUILD_DIR)/debug/Java2Swift --module-name JavaKitReflection --depends-on JavaKit=Sources/JavaKit/Java2Swift.config --depends-on JavaKitCollection=Sources/JavaKitCollection/Java2Swift.config -o Sources/JavaKitReflection/generated Sources/JavaKitReflection/Java2Swift.config
 
-generate-JavaKitJar: Java2Swift generate-JavaKit
+generate-JavaKitJar: Java2Swift generate-JavaKit generate-JavaKitCollection
 	mkdir -p Sources/JavaKitJar/generated
-	$(BUILD_DIR)/debug/Java2Swift --module-name JavaKitJar --depends-on JavaKit=Sources/JavaKit/Java2Swift.config -o Sources/JavaKitJar/generated Sources/JavaKitJar/Java2Swift.config
+	$(BUILD_DIR)/debug/Java2Swift --module-name JavaKitJar --depends-on JavaKit=Sources/JavaKit/Java2Swift.config --depends-on JavaKitCollection=Sources/JavaKitCollection/Java2Swift.config -o Sources/JavaKitJar/generated Sources/JavaKitJar/Java2Swift.config
 
-generate-JavaKitNetwork: Java2Swift generate-JavaKit
+generate-JavaKitNetwork: Java2Swift generate-JavaKit generate-JavaKitCollection
 	mkdir -p Sources/JavaKitNetwork/generated
-	$(BUILD_DIR)/debug/Java2Swift --module-name JavaKitNetwork --depends-on JavaKit=Sources/JavaKit/Java2Swift.config -o Sources/JavaKitNetwork/generated Sources/JavaKitNetwork/Java2Swift.config
+	$(BUILD_DIR)/debug/Java2Swift --module-name JavaKitNetwork --depends-on JavaKit=Sources/JavaKit/Java2Swift.config --depends-on JavaKitCollection=Sources/JavaKitCollection/Java2Swift.config -o Sources/JavaKitNetwork/generated Sources/JavaKitNetwork/Java2Swift.config
 
 javakit-generate: generate-JavaKit generate-JavaKitReflection generate-JavaKitJar generate-JavaKitNetwork
 
diff --git a/Package.swift b/Package.swift
index 87922d5b..0f492710 100644
--- a/Package.swift
+++ b/Package.swift
@@ -57,6 +57,11 @@ let package = Package(
       targets: ["JavaRuntime"]
     ),
 
+    .library(
+      name: "JavaKitCollection",
+      targets: ["JavaKitCollection"]
+    ),
+
     .library(
       name: "JavaKitJar",
       targets: ["JavaKitReflection"]
@@ -163,7 +168,7 @@ let package = Package(
       ]
     ),
     .target(
-      name: "JavaKitJar",
+      name: "JavaKitCollection",
       dependencies: ["JavaKit"],
       exclude: ["Java2Swift.config"],
       swiftSettings: [
@@ -171,9 +176,18 @@ let package = Package(
         .unsafeFlags(["-I\(javaIncludePath)", "-I\(javaPlatformIncludePath)"])
       ]
     ),
+    .target(
+      name: "JavaKitJar",
+      dependencies: ["JavaKit", "JavaKitCollection"],
+      exclude: ["Java2Swift.config"],
+      swiftSettings: [
+        .swiftLanguageMode(.v5),
+        .unsafeFlags(["-I\(javaIncludePath)", "-I\(javaPlatformIncludePath)"])
+      ]
+    ),
     .target(
       name: "JavaKitNetwork",
-      dependencies: ["JavaKit"],
+      dependencies: ["JavaKit", "JavaKitCollection"],
       exclude: ["Java2Swift.config"],
       swiftSettings: [
         .swiftLanguageMode(.v5),
@@ -182,7 +196,7 @@ let package = Package(
     ),
     .target(
       name: "JavaKitReflection",
-      dependencies: ["JavaKit"],
+      dependencies: ["JavaKit", "JavaKitCollection"],
       exclude: ["Java2Swift.config"],
       swiftSettings: [
         .swiftLanguageMode(.v5),
diff --git a/Sources/JavaKit/BridgedValues/JavaValue+Array.swift b/Sources/JavaKit/BridgedValues/JavaValue+Array.swift
index 26996578..3db30789 100644
--- a/Sources/JavaKit/BridgedValues/JavaValue+Array.swift
+++ b/Sources/JavaKit/BridgedValues/JavaValue+Array.swift
@@ -93,7 +93,7 @@ extension Array: JavaValue where Element: JavaValue {
   public static func jniNewArray(in environment: JNIEnvironment) -> JNINewArray {
     return { environment, size in
       // FIXME: We should have a bridged JavaArray that we can use here.
-      let arrayClass = environment.interface.FindClass(environment, "java.lang.Array")
+      let arrayClass = environment.interface.FindClass(environment, "java/lang/Array")
       return environment.interface.NewObjectArray(environment, size, arrayClass, nil)
     }
   }
diff --git a/Sources/JavaKit/BridgedValues/JavaValue+String.swift b/Sources/JavaKit/BridgedValues/JavaValue+String.swift
index 5c9ca117..e9c11e64 100644
--- a/Sources/JavaKit/BridgedValues/JavaValue+String.swift
+++ b/Sources/JavaKit/BridgedValues/JavaValue+String.swift
@@ -64,7 +64,7 @@ extension String: JavaValue {
   public static func jniNewArray(in environment: JNIEnvironment) -> JNINewArray {
     return { environment, size in
       // FIXME: Introduce a JavaString class that we can use for this.
-      let stringClass = environment.interface.FindClass(environment, "java.lang.String")
+      let stringClass = environment.interface.FindClass(environment, "java/lang/String")
       return environment.interface.NewObjectArray(environment, size, stringClass, nil)
     }
   }
diff --git a/Sources/JavaKit/Java2Swift.config b/Sources/JavaKit/Java2Swift.config
index b8c36594..7626a380 100644
--- a/Sources/JavaKit/Java2Swift.config
+++ b/Sources/JavaKit/Java2Swift.config
@@ -4,7 +4,6 @@
     "java.lang.Exception" : "Exception",
     "java.lang.Object" : "JavaObject",
     "java.lang.RuntimeException" : "RuntimeException",
-    "java.lang.Throwable" : "Throwable",
-    "java.util.Enumeration" : "Enumeration"
+    "java.lang.Throwable" : "Throwable"
   }
 }
diff --git a/Sources/JavaKitCollection/Java2Swift.config b/Sources/JavaKitCollection/Java2Swift.config
new file mode 100644
index 00000000..a809cb8c
--- /dev/null
+++ b/Sources/JavaKitCollection/Java2Swift.config
@@ -0,0 +1,22 @@
+{
+  "classes" : {
+    "java.util.Collection" : "JavaCollection",
+    "java.util.Enumeration" : "Enumeration",
+    "java.util.Iterator" : "JavaIterator",
+    "java.util.List" : "List",
+    "java.util.ListIterator" : "ListIterator",
+    "java.util.Queue" : "Queue",
+    "java.util.RandomAccess" : "RandomAccess",
+    "java.util.Set" : "JavaSet",
+    "java.util.ArrayDeque" : "ArrayDeque",
+    "java.util.ArrayList" : "ArrayList",
+    "java.util.BitSet" : "BitSet",
+    "java.util.Dictionary" : "JavaDictionary",
+    "java.util.HashMap" : "HashMap",
+    "java.util.HashSet" : "HashSet",
+    "java.util.PriorityQueue" : "PriorityQueue",
+    "java.util.Stack" : "Stack",
+    "java.util.TreeMap" : "TreeMap",
+    "java.util.TreeSet" : "TreeSet"
+  }
+}
diff --git a/Sources/JavaKit/JavaEnumeration+Sequence.swift b/Sources/JavaKitCollection/JavaEnumeration+Sequence.swift
similarity index 100%
rename from Sources/JavaKit/JavaEnumeration+Sequence.swift
rename to Sources/JavaKitCollection/JavaEnumeration+Sequence.swift
diff --git a/Sources/JavaKitCollection/JavaIterator+Iterator.swift b/Sources/JavaKitCollection/JavaIterator+Iterator.swift
new file mode 100644
index 00000000..add2a48b
--- /dev/null
+++ b/Sources/JavaKitCollection/JavaIterator+Iterator.swift
@@ -0,0 +1,27 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift.org open source project
+//
+// Copyright (c) 2024 Apple Inc. and the Swift.org project authors
+// Licensed under Apache License v2.0
+//
+// See LICENSE.txt for license information
+// See CONTRIBUTORS.txt for the list of Swift.org project authors
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+//===----------------------------------------------------------------------===//
+import JavaKit
+
+extension JavaIterator: IteratorProtocol {
+  public typealias Element = E
+
+  public func next() -> E? {
+    if hasNext() {
+      let nextResult: JavaObject? = next()
+      return nextResult.map { $0.as(E.self)! }
+    }
+
+    return nil
+  }
+}
diff --git a/Sources/JavaKitCollection/List+Sequence.swift b/Sources/JavaKitCollection/List+Sequence.swift
new file mode 100644
index 00000000..b3629569
--- /dev/null
+++ b/Sources/JavaKitCollection/List+Sequence.swift
@@ -0,0 +1,23 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift.org open source project
+//
+// Copyright (c) 2024 Apple Inc. and the Swift.org project authors
+// Licensed under Apache License v2.0
+//
+// See LICENSE.txt for license information
+// See CONTRIBUTORS.txt for the list of Swift.org project authors
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+//===----------------------------------------------------------------------===//
+
+extension List: Sequence {
+  public typealias Element = E
+  public typealias Iterator = JavaIterator<E>
+
+  public func makeIterator() -> Iterator {
+    return self.iterator()!.as(JavaIterator<E>.self)!
+  }
+}
+
diff --git a/Sources/JavaKitCollection/generated/ArrayDeque.swift b/Sources/JavaKitCollection/generated/ArrayDeque.swift
new file mode 100644
index 00000000..af2fd314
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/ArrayDeque.swift
@@ -0,0 +1,153 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaClass("java.util.ArrayDeque")
+public struct ArrayDeque<E: AnyJavaObject> {
+  @JavaMethod
+  public init(_ arg0: Int32, environment: JNIEnvironment)
+
+  @JavaMethod
+  public init(environment: JNIEnvironment)
+
+  @JavaMethod
+  public init(_ arg0: JavaCollection<JavaObject>?, environment: JNIEnvironment)
+
+  @JavaMethod
+  public func remove() -> JavaObject?
+
+  @JavaMethod
+  public func remove(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func size() -> Int32
+
+  @JavaMethod
+  public func clone() -> ArrayDeque<JavaObject>?
+
+  @JavaMethod
+  public func clone() throws -> JavaObject?
+
+  @JavaMethod
+  public func clear()
+
+  @JavaMethod
+  public func isEmpty() -> Bool
+
+  @JavaMethod
+  public func add(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func toArray(_ arg0: [JavaObject?]) -> [JavaObject?]
+
+  @JavaMethod
+  public func toArray() -> [JavaObject?]
+
+  @JavaMethod
+  public func iterator() -> JavaIterator<JavaObject>?
+
+  @JavaMethod
+  public func contains(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func addAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func peek() -> JavaObject?
+
+  @JavaMethod
+  public func getFirst() -> JavaObject?
+
+  @JavaMethod
+  public func getLast() -> JavaObject?
+
+  @JavaMethod
+  public func element() -> JavaObject?
+
+  @JavaMethod
+  public func addFirst(_ arg0: JavaObject?)
+
+  @JavaMethod
+  public func addLast(_ arg0: JavaObject?)
+
+  @JavaMethod
+  public func removeFirst() -> JavaObject?
+
+  @JavaMethod
+  public func removeLast() -> JavaObject?
+
+  @JavaMethod
+  public func removeAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func retainAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func poll() -> JavaObject?
+
+  @JavaMethod
+  public func push(_ arg0: JavaObject?)
+
+  @JavaMethod
+  public func pop() -> JavaObject?
+
+  @JavaMethod
+  public func pollFirst() -> JavaObject?
+
+  @JavaMethod
+  public func pollLast() -> JavaObject?
+
+  @JavaMethod
+  public func offerLast(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func peekFirst() -> JavaObject?
+
+  @JavaMethod
+  public func removeFirstOccurrence(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func offerFirst(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func peekLast() -> JavaObject?
+
+  @JavaMethod
+  public func removeLastOccurrence(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func offer(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func descendingIterator() -> JavaIterator<JavaObject>?
+
+  @JavaMethod
+  public func toString() -> String
+
+  @JavaMethod
+  public func containsAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func equals(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func hashCode() -> Int32
+
+  @JavaMethod
+  public func getClass() -> JavaClass<JavaObject>?
+
+  @JavaMethod
+  public func notify()
+
+  @JavaMethod
+  public func notifyAll()
+
+  @JavaMethod
+  public func wait(_ arg0: Int64) throws
+
+  @JavaMethod
+  public func wait(_ arg0: Int64, _ arg1: Int32) throws
+
+  @JavaMethod
+  public func wait() throws
+}
diff --git a/Sources/JavaKitCollection/generated/ArrayList.swift b/Sources/JavaKitCollection/generated/ArrayList.swift
new file mode 100644
index 00000000..765f4d9f
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/ArrayList.swift
@@ -0,0 +1,141 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaClass("java.util.ArrayList", implements: List<JavaObject>.self, RandomAccess.self)
+public struct ArrayList<E: AnyJavaObject> {
+  @JavaMethod
+  public init(_ arg0: JavaCollection<JavaObject>?, environment: JNIEnvironment)
+
+  @JavaMethod
+  public init(environment: JNIEnvironment)
+
+  @JavaMethod
+  public init(_ arg0: Int32, environment: JNIEnvironment)
+
+  @JavaMethod
+  public func remove(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func remove(_ arg0: Int32) -> JavaObject?
+
+  @JavaMethod
+  public func size() -> Int32
+
+  @JavaMethod
+  public func get(_ arg0: Int32) -> JavaObject?
+
+  @JavaMethod
+  public func equals(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func hashCode() -> Int32
+
+  @JavaMethod
+  public func clone() -> JavaObject?
+
+  @JavaMethod
+  public func indexOf(_ arg0: JavaObject?) -> Int32
+
+  @JavaMethod
+  public func clear()
+
+  @JavaMethod
+  public func lastIndexOf(_ arg0: JavaObject?) -> Int32
+
+  @JavaMethod
+  public func isEmpty() -> Bool
+
+  @JavaMethod
+  public func add(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func add(_ arg0: Int32, _ arg1: JavaObject?)
+
+  @JavaMethod
+  public func subList(_ arg0: Int32, _ arg1: Int32) -> List<JavaObject>?
+
+  @JavaMethod
+  public func toArray() -> [JavaObject?]
+
+  @JavaMethod
+  public func toArray(_ arg0: [JavaObject?]) -> [JavaObject?]
+
+  @JavaMethod
+  public func iterator() -> JavaIterator<JavaObject>?
+
+  @JavaMethod
+  public func contains(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func addAll(_ arg0: Int32, _ arg1: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func addAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func set(_ arg0: Int32, _ arg1: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func ensureCapacity(_ arg0: Int32)
+
+  @JavaMethod
+  public func trimToSize()
+
+  @JavaMethod
+  public func getFirst() -> JavaObject?
+
+  @JavaMethod
+  public func getLast() -> JavaObject?
+
+  @JavaMethod
+  public func addFirst(_ arg0: JavaObject?)
+
+  @JavaMethod
+  public func addLast(_ arg0: JavaObject?)
+
+  @JavaMethod
+  public func removeFirst() -> JavaObject?
+
+  @JavaMethod
+  public func removeLast() -> JavaObject?
+
+  @JavaMethod
+  public func removeAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func retainAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func listIterator(_ arg0: Int32) -> ListIterator<JavaObject>?
+
+  @JavaMethod
+  public func listIterator() -> ListIterator<JavaObject>?
+
+  @JavaMethod
+  public func toString() -> String
+
+  @JavaMethod
+  public func containsAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func getClass() -> JavaClass<JavaObject>?
+
+  @JavaMethod
+  public func notify()
+
+  @JavaMethod
+  public func notifyAll()
+
+  @JavaMethod
+  public func wait(_ arg0: Int64) throws
+
+  @JavaMethod
+  public func wait(_ arg0: Int64, _ arg1: Int32) throws
+
+  @JavaMethod
+  public func wait() throws
+
+  @JavaMethod
+  public func reversed() -> List<JavaObject>?
+}
diff --git a/Sources/JavaKitCollection/generated/BitSet.swift b/Sources/JavaKitCollection/generated/BitSet.swift
new file mode 100644
index 00000000..f9c0bda9
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/BitSet.swift
@@ -0,0 +1,127 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaClass("java.util.BitSet")
+public struct BitSet {
+  @JavaMethod
+  public init(environment: JNIEnvironment)
+
+  @JavaMethod
+  public init(_ arg0: Int32, environment: JNIEnvironment)
+
+  @JavaMethod
+  public func cardinality() -> Int32
+
+  @JavaMethod
+  public func nextSetBit(_ arg0: Int32) -> Int32
+
+  @JavaMethod
+  public func toLongArray() -> [Int64]
+
+  @JavaMethod
+  public func previousSetBit(_ arg0: Int32) -> Int32
+
+  @JavaMethod
+  public func previousClearBit(_ arg0: Int32) -> Int32
+
+  @JavaMethod
+  public func intersects(_ arg0: BitSet?) -> Bool
+
+  @JavaMethod
+  public func size() -> Int32
+
+  @JavaMethod
+  public func get(_ arg0: Int32, _ arg1: Int32) -> BitSet?
+
+  @JavaMethod
+  public func get(_ arg0: Int32) -> Bool
+
+  @JavaMethod
+  public func equals(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func length() -> Int32
+
+  @JavaMethod
+  public func toString() -> String
+
+  @JavaMethod
+  public func hashCode() -> Int32
+
+  @JavaMethod
+  public func clone() -> JavaObject?
+
+  @JavaMethod
+  public func clear(_ arg0: Int32)
+
+  @JavaMethod
+  public func clear(_ arg0: Int32, _ arg1: Int32)
+
+  @JavaMethod
+  public func clear()
+
+  @JavaMethod
+  public func isEmpty() -> Bool
+
+  @JavaMethod
+  public func set(_ arg0: Int32, _ arg1: Int32, _ arg2: Bool)
+
+  @JavaMethod
+  public func set(_ arg0: Int32, _ arg1: Int32)
+
+  @JavaMethod
+  public func set(_ arg0: Int32)
+
+  @JavaMethod
+  public func set(_ arg0: Int32, _ arg1: Bool)
+
+  @JavaMethod
+  public func flip(_ arg0: Int32, _ arg1: Int32)
+
+  @JavaMethod
+  public func flip(_ arg0: Int32)
+
+  @JavaMethod
+  public func nextClearBit(_ arg0: Int32) -> Int32
+
+  @JavaMethod
+  public func or(_ arg0: BitSet?)
+
+  @JavaMethod
+  public func toByteArray() -> [Int8]
+
+  @JavaMethod
+  public func and(_ arg0: BitSet?)
+
+  @JavaMethod
+  public func xor(_ arg0: BitSet?)
+
+  @JavaMethod
+  public func andNot(_ arg0: BitSet?)
+
+  @JavaMethod
+  public func getClass() -> JavaClass<JavaObject>?
+
+  @JavaMethod
+  public func notify()
+
+  @JavaMethod
+  public func notifyAll()
+
+  @JavaMethod
+  public func wait(_ arg0: Int64) throws
+
+  @JavaMethod
+  public func wait(_ arg0: Int64, _ arg1: Int32) throws
+
+  @JavaMethod
+  public func wait() throws
+}
+extension JavaClass<BitSet> {
+  @JavaStaticMethod
+  public func valueOf(_ arg0: [Int64]) -> BitSet?
+
+  @JavaStaticMethod
+  public func valueOf(_ arg0: [Int8]) -> BitSet?
+}
diff --git a/Sources/JavaKit/generated/Enumeration.swift b/Sources/JavaKitCollection/generated/Enumeration.swift
similarity index 76%
rename from Sources/JavaKit/generated/Enumeration.swift
rename to Sources/JavaKitCollection/generated/Enumeration.swift
index 703fb441..be0936d3 100644
--- a/Sources/JavaKit/generated/Enumeration.swift
+++ b/Sources/JavaKitCollection/generated/Enumeration.swift
@@ -1,8 +1,12 @@
 // Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
 import JavaRuntime
 
 @JavaInterface("java.util.Enumeration")
 public struct Enumeration<E: AnyJavaObject> {
+  @JavaMethod
+  public func asIterator() -> JavaIterator<JavaObject>?
+
   @JavaMethod
   public func hasMoreElements() -> Bool
 
diff --git a/Sources/JavaKitCollection/generated/HashMap.swift b/Sources/JavaKitCollection/generated/HashMap.swift
new file mode 100644
index 00000000..d4048dd0
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/HashMap.swift
@@ -0,0 +1,94 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaClass("java.util.HashMap")
+public struct HashMap<K: AnyJavaObject, V: AnyJavaObject> {
+  @JavaMethod
+  public init(_ arg0: Int32, environment: JNIEnvironment)
+
+  @JavaMethod
+  public init(_ arg0: Int32, _ arg1: Float, environment: JNIEnvironment)
+
+  @JavaMethod
+  public init(environment: JNIEnvironment)
+
+  @JavaMethod
+  public func remove(_ arg0: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func remove(_ arg0: JavaObject?, _ arg1: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func size() -> Int32
+
+  @JavaMethod
+  public func get(_ arg0: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func put(_ arg0: JavaObject?, _ arg1: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func values() -> JavaCollection<JavaObject>?
+
+  @JavaMethod
+  public func clone() -> JavaObject?
+
+  @JavaMethod
+  public func clear()
+
+  @JavaMethod
+  public func isEmpty() -> Bool
+
+  @JavaMethod
+  public func replace(_ arg0: JavaObject?, _ arg1: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func replace(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func putIfAbsent(_ arg0: JavaObject?, _ arg1: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func containsKey(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func keySet() -> JavaSet<JavaObject>?
+
+  @JavaMethod
+  public func containsValue(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func getOrDefault(_ arg0: JavaObject?, _ arg1: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func equals(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func toString() -> String
+
+  @JavaMethod
+  public func hashCode() -> Int32
+
+  @JavaMethod
+  public func getClass() -> JavaClass<JavaObject>?
+
+  @JavaMethod
+  public func notify()
+
+  @JavaMethod
+  public func notifyAll()
+
+  @JavaMethod
+  public func wait(_ arg0: Int64) throws
+
+  @JavaMethod
+  public func wait(_ arg0: Int64, _ arg1: Int32) throws
+
+  @JavaMethod
+  public func wait() throws
+}
+extension JavaClass {
+  @JavaStaticMethod
+  public func newHashMap<K: AnyJavaObject, V: AnyJavaObject>(_ arg0: Int32) -> HashMap<JavaObject, JavaObject>? where ObjectType == HashMap<K, V>
+}
diff --git a/Sources/JavaKitCollection/generated/HashSet.swift b/Sources/JavaKitCollection/generated/HashSet.swift
new file mode 100644
index 00000000..aa071dfd
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/HashSet.swift
@@ -0,0 +1,91 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaClass("java.util.HashSet", implements: JavaSet<JavaObject>.self)
+public struct HashSet<E: AnyJavaObject> {
+  @JavaMethod
+  public init(_ arg0: Int32, environment: JNIEnvironment)
+
+  @JavaMethod
+  public init(_ arg0: Int32, _ arg1: Float, environment: JNIEnvironment)
+
+  @JavaMethod
+  public init(_ arg0: JavaCollection<JavaObject>?, environment: JNIEnvironment)
+
+  @JavaMethod
+  public init(environment: JNIEnvironment)
+
+  @JavaMethod
+  public func remove(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func size() -> Int32
+
+  @JavaMethod
+  public func clone() -> JavaObject?
+
+  @JavaMethod
+  public func clear()
+
+  @JavaMethod
+  public func isEmpty() -> Bool
+
+  @JavaMethod
+  public func add(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func toArray(_ arg0: [JavaObject?]) -> [JavaObject?]
+
+  @JavaMethod
+  public func toArray() -> [JavaObject?]
+
+  @JavaMethod
+  public func iterator() -> JavaIterator<JavaObject>?
+
+  @JavaMethod
+  public func contains(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func equals(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func hashCode() -> Int32
+
+  @JavaMethod
+  public func removeAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func toString() -> String
+
+  @JavaMethod
+  public func addAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func retainAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func containsAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func getClass() -> JavaClass<JavaObject>?
+
+  @JavaMethod
+  public func notify()
+
+  @JavaMethod
+  public func notifyAll()
+
+  @JavaMethod
+  public func wait(_ arg0: Int64) throws
+
+  @JavaMethod
+  public func wait(_ arg0: Int64, _ arg1: Int32) throws
+
+  @JavaMethod
+  public func wait() throws
+}
+extension JavaClass {
+  @JavaStaticMethod
+  public func newHashSet<E: AnyJavaObject>(_ arg0: Int32) -> HashSet<JavaObject>? where ObjectType == HashSet<E>
+}
diff --git a/Sources/JavaKitCollection/generated/JavaCollection.swift b/Sources/JavaKitCollection/generated/JavaCollection.swift
new file mode 100644
index 00000000..84b44739
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/JavaCollection.swift
@@ -0,0 +1,51 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaInterface("java.util.Collection")
+public struct JavaCollection<E: AnyJavaObject> {
+  @JavaMethod
+  public func remove(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func size() -> Int32
+
+  @JavaMethod
+  public func equals(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func hashCode() -> Int32
+
+  @JavaMethod
+  public func clear()
+
+  @JavaMethod
+  public func isEmpty() -> Bool
+
+  @JavaMethod
+  public func add(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func toArray(_ arg0: [JavaObject?]) -> [JavaObject?]
+
+  @JavaMethod
+  public func toArray() -> [JavaObject?]
+
+  @JavaMethod
+  public func iterator() -> JavaIterator<JavaObject>?
+
+  @JavaMethod
+  public func contains(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func addAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func removeAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func retainAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func containsAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+}
diff --git a/Sources/JavaKitCollection/generated/JavaDictionary.swift b/Sources/JavaKitCollection/generated/JavaDictionary.swift
new file mode 100644
index 00000000..c32b3038
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/JavaDictionary.swift
@@ -0,0 +1,57 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaClass("java.util.Dictionary")
+public struct JavaDictionary<K: AnyJavaObject, V: AnyJavaObject> {
+  @JavaMethod
+  public init(environment: JNIEnvironment)
+
+  @JavaMethod
+  public func remove(_ arg0: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func size() -> Int32
+
+  @JavaMethod
+  public func get(_ arg0: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func put(_ arg0: JavaObject?, _ arg1: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func isEmpty() -> Bool
+
+  @JavaMethod
+  public func elements() -> Enumeration<JavaObject>?
+
+  @JavaMethod
+  public func keys() -> Enumeration<JavaObject>?
+
+  @JavaMethod
+  public func equals(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func toString() -> String
+
+  @JavaMethod
+  public func hashCode() -> Int32
+
+  @JavaMethod
+  public func getClass() -> JavaClass<JavaObject>?
+
+  @JavaMethod
+  public func notify()
+
+  @JavaMethod
+  public func notifyAll()
+
+  @JavaMethod
+  public func wait(_ arg0: Int64) throws
+
+  @JavaMethod
+  public func wait(_ arg0: Int64, _ arg1: Int32) throws
+
+  @JavaMethod
+  public func wait() throws
+}
diff --git a/Sources/JavaKitCollection/generated/JavaIterator.swift b/Sources/JavaKitCollection/generated/JavaIterator.swift
new file mode 100644
index 00000000..893e43a9
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/JavaIterator.swift
@@ -0,0 +1,15 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaInterface("java.util.Iterator")
+public struct JavaIterator<E: AnyJavaObject> {
+  @JavaMethod
+  public func remove()
+
+  @JavaMethod
+  public func hasNext() -> Bool
+
+  @JavaMethod
+  public func next() -> JavaObject?
+}
diff --git a/Sources/JavaKitCollection/generated/JavaSet.swift b/Sources/JavaKitCollection/generated/JavaSet.swift
new file mode 100644
index 00000000..b1412c9d
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/JavaSet.swift
@@ -0,0 +1,91 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaInterface("java.util.Set", extends: JavaCollection<JavaObject>.self)
+public struct JavaSet<E: AnyJavaObject> {
+  @JavaMethod
+  public func remove(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func size() -> Int32
+
+  @JavaMethod
+  public func equals(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func hashCode() -> Int32
+
+  @JavaMethod
+  public func clear()
+
+  @JavaMethod
+  public func isEmpty() -> Bool
+
+  @JavaMethod
+  public func add(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func toArray() -> [JavaObject?]
+
+  @JavaMethod
+  public func toArray(_ arg0: [JavaObject?]) -> [JavaObject?]
+
+  @JavaMethod
+  public func iterator() -> JavaIterator<JavaObject>?
+
+  @JavaMethod
+  public func contains(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func addAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func removeAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func retainAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func containsAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+}
+extension JavaClass {
+  @JavaStaticMethod
+  public func copyOf<E: AnyJavaObject>(_ arg0: JavaCollection<JavaObject>?) -> JavaSet<JavaObject>? where ObjectType == JavaSet<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?, _ arg3: JavaObject?, _ arg4: JavaObject?, _ arg5: JavaObject?) -> JavaSet<JavaObject>? where ObjectType == JavaSet<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?, _ arg3: JavaObject?, _ arg4: JavaObject?) -> JavaSet<JavaObject>? where ObjectType == JavaSet<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?, _ arg3: JavaObject?) -> JavaSet<JavaObject>? where ObjectType == JavaSet<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>() -> JavaSet<JavaObject>? where ObjectType == JavaSet<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?, _ arg3: JavaObject?, _ arg4: JavaObject?, _ arg5: JavaObject?, _ arg6: JavaObject?, _ arg7: JavaObject?, _ arg8: JavaObject?, _ arg9: JavaObject?) -> JavaSet<JavaObject>? where ObjectType == JavaSet<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?, _ arg3: JavaObject?, _ arg4: JavaObject?, _ arg5: JavaObject?, _ arg6: JavaObject?, _ arg7: JavaObject?, _ arg8: JavaObject?) -> JavaSet<JavaObject>? where ObjectType == JavaSet<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?, _ arg3: JavaObject?, _ arg4: JavaObject?, _ arg5: JavaObject?, _ arg6: JavaObject?, _ arg7: JavaObject?) -> JavaSet<JavaObject>? where ObjectType == JavaSet<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?, _ arg3: JavaObject?, _ arg4: JavaObject?, _ arg5: JavaObject?, _ arg6: JavaObject?) -> JavaSet<JavaObject>? where ObjectType == JavaSet<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: [JavaObject?]) -> JavaSet<JavaObject>? where ObjectType == JavaSet<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?) -> JavaSet<JavaObject>? where ObjectType == JavaSet<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?) -> JavaSet<JavaObject>? where ObjectType == JavaSet<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?) -> JavaSet<JavaObject>? where ObjectType == JavaSet<E>
+}
diff --git a/Sources/JavaKitCollection/generated/LinkedList.swift b/Sources/JavaKitCollection/generated/LinkedList.swift
new file mode 100644
index 00000000..cf7043c2
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/LinkedList.swift
@@ -0,0 +1,177 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaClass("java.util.LinkedList")
+public struct LinkedList<E: AnyJavaObject> {
+  @JavaMethod
+  public init(_ arg0: JavaCollection<JavaObject>?, environment: JNIEnvironment)
+
+  @JavaMethod
+  public init(environment: JNIEnvironment)
+
+  @JavaMethod
+  public func remove(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func remove(_ arg0: Int32) -> JavaObject?
+
+  @JavaMethod
+  public func remove() -> JavaObject?
+
+  @JavaMethod
+  public func size() -> Int32
+
+  @JavaMethod
+  public func get(_ arg0: Int32) -> JavaObject?
+
+  @JavaMethod
+  public func clone() -> JavaObject?
+
+  @JavaMethod
+  public func indexOf(_ arg0: JavaObject?) -> Int32
+
+  @JavaMethod
+  public func clear()
+
+  @JavaMethod
+  public func lastIndexOf(_ arg0: JavaObject?) -> Int32
+
+  @JavaMethod
+  public func add(_ arg0: Int32, _ arg1: JavaObject?)
+
+  @JavaMethod
+  public func add(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func toArray(_ arg0: [JavaObject?]) -> [JavaObject?]
+
+  @JavaMethod
+  public func toArray() -> [JavaObject?]
+
+  @JavaMethod
+  public func contains(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func addAll(_ arg0: Int32, _ arg1: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func addAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func set(_ arg0: Int32, _ arg1: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func peek() -> JavaObject?
+
+  @JavaMethod
+  public func getFirst() -> JavaObject?
+
+  @JavaMethod
+  public func getLast() -> JavaObject?
+
+  @JavaMethod
+  public func element() -> JavaObject?
+
+  @JavaMethod
+  public func addFirst(_ arg0: JavaObject?)
+
+  @JavaMethod
+  public func addLast(_ arg0: JavaObject?)
+
+  @JavaMethod
+  public func removeFirst() -> JavaObject?
+
+  @JavaMethod
+  public func removeLast() -> JavaObject?
+
+  @JavaMethod
+  public func listIterator(_ arg0: Int32) -> ListIterator<JavaObject>?
+
+  @JavaMethod
+  public func reversed() -> LinkedList<JavaObject>?
+
+  @JavaMethod
+  public func poll() -> JavaObject?
+
+  @JavaMethod
+  public func push(_ arg0: JavaObject?)
+
+  @JavaMethod
+  public func pop() -> JavaObject?
+
+  @JavaMethod
+  public func pollFirst() -> JavaObject?
+
+  @JavaMethod
+  public func pollLast() -> JavaObject?
+
+  @JavaMethod
+  public func offerLast(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func peekFirst() -> JavaObject?
+
+  @JavaMethod
+  public func removeFirstOccurrence(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func offerFirst(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func peekLast() -> JavaObject?
+
+  @JavaMethod
+  public func removeLastOccurrence(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func offer(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func descendingIterator() -> JavaIterator<JavaObject>?
+
+  @JavaMethod
+  public func iterator() -> JavaIterator<JavaObject>?
+
+  @JavaMethod
+  public func equals(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func hashCode() -> Int32
+
+  @JavaMethod
+  public func listIterator() -> ListIterator<JavaObject>?
+
+  @JavaMethod
+  public func toString() -> String
+
+  @JavaMethod
+  public func isEmpty() -> Bool
+
+  @JavaMethod
+  public func removeAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func retainAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func containsAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func getClass() -> JavaClass<JavaObject>?
+
+  @JavaMethod
+  public func notify()
+
+  @JavaMethod
+  public func notifyAll()
+
+  @JavaMethod
+  public func wait(_ arg0: Int64) throws
+
+  @JavaMethod
+  public func wait(_ arg0: Int64, _ arg1: Int32) throws
+
+  @JavaMethod
+  public func wait() throws
+}
diff --git a/Sources/JavaKitCollection/generated/List.swift b/Sources/JavaKitCollection/generated/List.swift
new file mode 100644
index 00000000..fb323301
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/List.swift
@@ -0,0 +1,142 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaInterface("java.util.List")
+public struct List<E: AnyJavaObject> {
+  @JavaMethod
+  public func remove(_ arg0: Int32) -> JavaObject?
+
+  @JavaMethod
+  public func remove(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func size() -> Int32
+
+  @JavaMethod
+  public func get(_ arg0: Int32) -> JavaObject?
+
+  @JavaMethod
+  public func equals(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func hashCode() -> Int32
+
+  @JavaMethod
+  public func indexOf(_ arg0: JavaObject?) -> Int32
+
+  @JavaMethod
+  public func clear()
+
+  @JavaMethod
+  public func lastIndexOf(_ arg0: JavaObject?) -> Int32
+
+  @JavaMethod
+  public func isEmpty() -> Bool
+
+  @JavaMethod
+  public func add(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func add(_ arg0: Int32, _ arg1: JavaObject?)
+
+  @JavaMethod
+  public func subList(_ arg0: Int32, _ arg1: Int32) -> List<JavaObject>?
+
+  @JavaMethod
+  public func toArray() -> [JavaObject?]
+
+  @JavaMethod
+  public func toArray(_ arg0: [JavaObject?]) -> [JavaObject?]
+
+  @JavaMethod
+  public func iterator() -> JavaIterator<JavaObject>?
+
+  @JavaMethod
+  public func contains(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func addAll(_ arg0: Int32, _ arg1: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func addAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func set(_ arg0: Int32, _ arg1: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func getFirst() -> JavaObject?
+
+  @JavaMethod
+  public func getLast() -> JavaObject?
+
+  @JavaMethod
+  public func addFirst(_ arg0: JavaObject?)
+
+  @JavaMethod
+  public func addLast(_ arg0: JavaObject?)
+
+  @JavaMethod
+  public func removeFirst() -> JavaObject?
+
+  @JavaMethod
+  public func removeLast() -> JavaObject?
+
+  @JavaMethod
+  public func removeAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func retainAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func listIterator() -> ListIterator<JavaObject>?
+
+  @JavaMethod
+  public func listIterator(_ arg0: Int32) -> ListIterator<JavaObject>?
+
+  @JavaMethod
+  public func reversed() -> List<JavaObject>?
+
+  @JavaMethod
+  public func containsAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+}
+extension JavaClass {
+  @JavaStaticMethod
+  public func copyOf<E: AnyJavaObject>(_ arg0: JavaCollection<JavaObject>?) -> List<JavaObject>? where ObjectType == List<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?, _ arg3: JavaObject?, _ arg4: JavaObject?, _ arg5: JavaObject?, _ arg6: JavaObject?) -> List<JavaObject>? where ObjectType == List<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?) -> List<JavaObject>? where ObjectType == List<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?) -> List<JavaObject>? where ObjectType == List<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>() -> List<JavaObject>? where ObjectType == List<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?, _ arg3: JavaObject?, _ arg4: JavaObject?, _ arg5: JavaObject?, _ arg6: JavaObject?, _ arg7: JavaObject?, _ arg8: JavaObject?) -> List<JavaObject>? where ObjectType == List<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?, _ arg3: JavaObject?) -> List<JavaObject>? where ObjectType == List<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?, _ arg3: JavaObject?, _ arg4: JavaObject?) -> List<JavaObject>? where ObjectType == List<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?) -> List<JavaObject>? where ObjectType == List<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?, _ arg3: JavaObject?, _ arg4: JavaObject?, _ arg5: JavaObject?) -> List<JavaObject>? where ObjectType == List<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?, _ arg3: JavaObject?, _ arg4: JavaObject?, _ arg5: JavaObject?, _ arg6: JavaObject?, _ arg7: JavaObject?) -> List<JavaObject>? where ObjectType == List<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: [JavaObject?]) -> List<JavaObject>? where ObjectType == List<E>
+
+  @JavaStaticMethod
+  public func of<E: AnyJavaObject>(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?, _ arg3: JavaObject?, _ arg4: JavaObject?, _ arg5: JavaObject?, _ arg6: JavaObject?, _ arg7: JavaObject?, _ arg8: JavaObject?, _ arg9: JavaObject?) -> List<JavaObject>? where ObjectType == List<E>
+}
diff --git a/Sources/JavaKitCollection/generated/ListIterator.swift b/Sources/JavaKitCollection/generated/ListIterator.swift
new file mode 100644
index 00000000..a918ea16
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/ListIterator.swift
@@ -0,0 +1,33 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaInterface("java.util.ListIterator", extends: JavaIterator<JavaObject>.self)
+public struct ListIterator<E: AnyJavaObject> {
+  @JavaMethod
+  public func remove()
+
+  @JavaMethod
+  public func add(_ arg0: JavaObject?)
+
+  @JavaMethod
+  public func hasNext() -> Bool
+
+  @JavaMethod
+  public func next() -> JavaObject?
+
+  @JavaMethod
+  public func set(_ arg0: JavaObject?)
+
+  @JavaMethod
+  public func nextIndex() -> Int32
+
+  @JavaMethod
+  public func previousIndex() -> Int32
+
+  @JavaMethod
+  public func hasPrevious() -> Bool
+
+  @JavaMethod
+  public func previous() -> JavaObject?
+}
diff --git a/Sources/JavaKitCollection/generated/PriorityQueue.swift b/Sources/JavaKitCollection/generated/PriorityQueue.swift
new file mode 100644
index 00000000..7b70c7cd
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/PriorityQueue.swift
@@ -0,0 +1,99 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaClass("java.util.PriorityQueue")
+public struct PriorityQueue<E: AnyJavaObject> {
+  @JavaMethod
+  public init(_ arg0: PriorityQueue<JavaObject>?, environment: JNIEnvironment)
+
+  @JavaMethod
+  public init(_ arg0: JavaCollection<JavaObject>?, environment: JNIEnvironment)
+
+  @JavaMethod
+  public init(_ arg0: Int32, environment: JNIEnvironment)
+
+  @JavaMethod
+  public init(environment: JNIEnvironment)
+
+  @JavaMethod
+  public func remove(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func size() -> Int32
+
+  @JavaMethod
+  public func clear()
+
+  @JavaMethod
+  public func add(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func toArray(_ arg0: [JavaObject?]) -> [JavaObject?]
+
+  @JavaMethod
+  public func toArray() -> [JavaObject?]
+
+  @JavaMethod
+  public func iterator() -> JavaIterator<JavaObject>?
+
+  @JavaMethod
+  public func contains(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func peek() -> JavaObject?
+
+  @JavaMethod
+  public func removeAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func retainAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func poll() -> JavaObject?
+
+  @JavaMethod
+  public func offer(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func remove() -> JavaObject?
+
+  @JavaMethod
+  public func addAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func element() -> JavaObject?
+
+  @JavaMethod
+  public func toString() -> String
+
+  @JavaMethod
+  public func isEmpty() -> Bool
+
+  @JavaMethod
+  public func containsAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func equals(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func hashCode() -> Int32
+
+  @JavaMethod
+  public func getClass() -> JavaClass<JavaObject>?
+
+  @JavaMethod
+  public func notify()
+
+  @JavaMethod
+  public func notifyAll()
+
+  @JavaMethod
+  public func wait(_ arg0: Int64) throws
+
+  @JavaMethod
+  public func wait(_ arg0: Int64, _ arg1: Int32) throws
+
+  @JavaMethod
+  public func wait() throws
+}
diff --git a/Sources/JavaKitCollection/generated/Queue.swift b/Sources/JavaKitCollection/generated/Queue.swift
new file mode 100644
index 00000000..33bf05f9
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/Queue.swift
@@ -0,0 +1,66 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaInterface("java.util.Queue", extends: JavaCollection<JavaObject>.self)
+public struct Queue<E: AnyJavaObject> {
+  @JavaMethod
+  public func remove() -> JavaObject?
+
+  @JavaMethod
+  public func add(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func peek() -> JavaObject?
+
+  @JavaMethod
+  public func element() -> JavaObject?
+
+  @JavaMethod
+  public func poll() -> JavaObject?
+
+  @JavaMethod
+  public func offer(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func remove(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func size() -> Int32
+
+  @JavaMethod
+  public func equals(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func hashCode() -> Int32
+
+  @JavaMethod
+  public func clear()
+
+  @JavaMethod
+  public func isEmpty() -> Bool
+
+  @JavaMethod
+  public func toArray(_ arg0: [JavaObject?]) -> [JavaObject?]
+
+  @JavaMethod
+  public func toArray() -> [JavaObject?]
+
+  @JavaMethod
+  public func iterator() -> JavaIterator<JavaObject>?
+
+  @JavaMethod
+  public func contains(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func addAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func removeAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func retainAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func containsAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+}
diff --git a/Sources/JavaKitCollection/generated/RandomAccess.swift b/Sources/JavaKitCollection/generated/RandomAccess.swift
new file mode 100644
index 00000000..0084ceed
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/RandomAccess.swift
@@ -0,0 +1,8 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaInterface("java.util.RandomAccess")
+public struct RandomAccess {
+
+}
diff --git a/Sources/JavaKitCollection/generated/Stack.swift b/Sources/JavaKitCollection/generated/Stack.swift
new file mode 100644
index 00000000..65d92872
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/Stack.swift
@@ -0,0 +1,195 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaClass("java.util.Stack")
+public struct Stack<E: AnyJavaObject> {
+  @JavaMethod
+  public init(environment: JNIEnvironment)
+
+  @JavaMethod
+  public func empty() -> Bool
+
+  @JavaMethod
+  public func peek() -> JavaObject?
+
+  @JavaMethod
+  public func search(_ arg0: JavaObject?) -> Int32
+
+  @JavaMethod
+  public func push(_ arg0: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func pop() -> JavaObject?
+
+  @JavaMethod
+  public func addElement(_ arg0: JavaObject?)
+
+  @JavaMethod
+  public func removeElementAt(_ arg0: Int32)
+
+  @JavaMethod
+  public func removeElement(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func insertElementAt(_ arg0: JavaObject?, _ arg1: Int32)
+
+  @JavaMethod
+  public func removeAllElements()
+
+  @JavaMethod
+  public func firstElement() -> JavaObject?
+
+  @JavaMethod
+  public func lastElement() -> JavaObject?
+
+  @JavaMethod
+  public func setElementAt(_ arg0: JavaObject?, _ arg1: Int32)
+
+  @JavaMethod
+  public func remove(_ arg0: Int32) -> JavaObject?
+
+  @JavaMethod
+  public func remove(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func size() -> Int32
+
+  @JavaMethod
+  public func get(_ arg0: Int32) -> JavaObject?
+
+  @JavaMethod
+  public func equals(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func toString() -> String
+
+  @JavaMethod
+  public func hashCode() -> Int32
+
+  @JavaMethod
+  public func clone() -> JavaObject?
+
+  @JavaMethod
+  public func indexOf(_ arg0: JavaObject?, _ arg1: Int32) -> Int32
+
+  @JavaMethod
+  public func indexOf(_ arg0: JavaObject?) -> Int32
+
+  @JavaMethod
+  public func clear()
+
+  @JavaMethod
+  public func lastIndexOf(_ arg0: JavaObject?, _ arg1: Int32) -> Int32
+
+  @JavaMethod
+  public func lastIndexOf(_ arg0: JavaObject?) -> Int32
+
+  @JavaMethod
+  public func isEmpty() -> Bool
+
+  @JavaMethod
+  public func add(_ arg0: Int32, _ arg1: JavaObject?)
+
+  @JavaMethod
+  public func add(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func subList(_ arg0: Int32, _ arg1: Int32) -> List<JavaObject>?
+
+  @JavaMethod
+  public func toArray(_ arg0: [JavaObject?]) -> [JavaObject?]
+
+  @JavaMethod
+  public func toArray() -> [JavaObject?]
+
+  @JavaMethod
+  public func iterator() -> JavaIterator<JavaObject>?
+
+  @JavaMethod
+  public func contains(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func elements() -> Enumeration<JavaObject>?
+
+  @JavaMethod
+  public func addAll(_ arg0: Int32, _ arg1: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func addAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func set(_ arg0: Int32, _ arg1: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func capacity() -> Int32
+
+  @JavaMethod
+  public func ensureCapacity(_ arg0: Int32)
+
+  @JavaMethod
+  public func trimToSize()
+
+  @JavaMethod
+  public func elementAt(_ arg0: Int32) -> JavaObject?
+
+  @JavaMethod
+  public func removeAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func retainAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func listIterator() -> ListIterator<JavaObject>?
+
+  @JavaMethod
+  public func listIterator(_ arg0: Int32) -> ListIterator<JavaObject>?
+
+  @JavaMethod
+  public func containsAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func setSize(_ arg0: Int32)
+
+  @JavaMethod
+  public func copyInto(_ arg0: [JavaObject?])
+
+  @JavaMethod
+  public func getClass() -> JavaClass<JavaObject>?
+
+  @JavaMethod
+  public func notify()
+
+  @JavaMethod
+  public func notifyAll()
+
+  @JavaMethod
+  public func wait(_ arg0: Int64) throws
+
+  @JavaMethod
+  public func wait(_ arg0: Int64, _ arg1: Int32) throws
+
+  @JavaMethod
+  public func wait() throws
+
+  @JavaMethod
+  public func getFirst() -> JavaObject?
+
+  @JavaMethod
+  public func getLast() -> JavaObject?
+
+  @JavaMethod
+  public func addFirst(_ arg0: JavaObject?)
+
+  @JavaMethod
+  public func addLast(_ arg0: JavaObject?)
+
+  @JavaMethod
+  public func removeFirst() -> JavaObject?
+
+  @JavaMethod
+  public func removeLast() -> JavaObject?
+
+  @JavaMethod
+  public func reversed() -> List<JavaObject>?
+}
diff --git a/Sources/JavaKitCollection/generated/TreeMap.swift b/Sources/JavaKitCollection/generated/TreeMap.swift
new file mode 100644
index 00000000..f029c220
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/TreeMap.swift
@@ -0,0 +1,108 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaClass("java.util.TreeMap")
+public struct TreeMap<K: AnyJavaObject, V: AnyJavaObject> {
+  @JavaMethod
+  public init(environment: JNIEnvironment)
+
+  @JavaMethod
+  public func remove(_ arg0: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func size() -> Int32
+
+  @JavaMethod
+  public func get(_ arg0: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func put(_ arg0: JavaObject?, _ arg1: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func values() -> JavaCollection<JavaObject>?
+
+  @JavaMethod
+  public func clone() -> JavaObject?
+
+  @JavaMethod
+  public func clear()
+
+  @JavaMethod
+  public func replace(_ arg0: JavaObject?, _ arg1: JavaObject?, _ arg2: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func replace(_ arg0: JavaObject?, _ arg1: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func putIfAbsent(_ arg0: JavaObject?, _ arg1: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func containsKey(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func keySet() -> JavaSet<JavaObject>?
+
+  @JavaMethod
+  public func containsValue(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func firstKey() -> JavaObject?
+
+  @JavaMethod
+  public func putFirst(_ arg0: JavaObject?, _ arg1: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func putLast(_ arg0: JavaObject?, _ arg1: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func lowerKey(_ arg0: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func floorKey(_ arg0: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func ceilingKey(_ arg0: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func higherKey(_ arg0: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func lastKey() -> JavaObject?
+
+  @JavaMethod
+  public func equals(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func toString() -> String
+
+  @JavaMethod
+  public func hashCode() -> Int32
+
+  @JavaMethod
+  public func isEmpty() -> Bool
+
+  @JavaMethod
+  public func getClass() -> JavaClass<JavaObject>?
+
+  @JavaMethod
+  public func notify()
+
+  @JavaMethod
+  public func notifyAll()
+
+  @JavaMethod
+  public func wait(_ arg0: Int64) throws
+
+  @JavaMethod
+  public func wait(_ arg0: Int64, _ arg1: Int32) throws
+
+  @JavaMethod
+  public func wait() throws
+
+  @JavaMethod
+  public func remove(_ arg0: JavaObject?, _ arg1: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func getOrDefault(_ arg0: JavaObject?, _ arg1: JavaObject?) -> JavaObject?
+}
diff --git a/Sources/JavaKitCollection/generated/TreeSet.swift b/Sources/JavaKitCollection/generated/TreeSet.swift
new file mode 100644
index 00000000..9633750e
--- /dev/null
+++ b/Sources/JavaKitCollection/generated/TreeSet.swift
@@ -0,0 +1,126 @@
+// Auto-generated by Java-to-Swift wrapper generator.
+import JavaKit
+import JavaRuntime
+
+@JavaClass("java.util.TreeSet")
+public struct TreeSet<E: AnyJavaObject> {
+  @JavaMethod
+  public init(_ arg0: JavaCollection<JavaObject>?, environment: JNIEnvironment)
+
+  @JavaMethod
+  public init(environment: JNIEnvironment)
+
+  @JavaMethod
+  public func remove(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func size() -> Int32
+
+  @JavaMethod
+  public func clone() -> JavaObject?
+
+  @JavaMethod
+  public func floor(_ arg0: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func clear()
+
+  @JavaMethod
+  public func isEmpty() -> Bool
+
+  @JavaMethod
+  public func add(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func iterator() -> JavaIterator<JavaObject>?
+
+  @JavaMethod
+  public func contains(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func last() -> JavaObject?
+
+  @JavaMethod
+  public func addAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func first() -> JavaObject?
+
+  @JavaMethod
+  public func addFirst(_ arg0: JavaObject?)
+
+  @JavaMethod
+  public func addLast(_ arg0: JavaObject?)
+
+  @JavaMethod
+  public func lower(_ arg0: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func pollFirst() -> JavaObject?
+
+  @JavaMethod
+  public func pollLast() -> JavaObject?
+
+  @JavaMethod
+  public func descendingIterator() -> JavaIterator<JavaObject>?
+
+  @JavaMethod
+  public func ceiling(_ arg0: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func higher(_ arg0: JavaObject?) -> JavaObject?
+
+  @JavaMethod
+  public func equals(_ arg0: JavaObject?) -> Bool
+
+  @JavaMethod
+  public func hashCode() -> Int32
+
+  @JavaMethod
+  public func removeAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func toString() -> String
+
+  @JavaMethod
+  public func toArray(_ arg0: [JavaObject?]) -> [JavaObject?]
+
+  @JavaMethod
+  public func toArray() -> [JavaObject?]
+
+  @JavaMethod
+  public func retainAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func containsAll(_ arg0: JavaCollection<JavaObject>?) -> Bool
+
+  @JavaMethod
+  public func getClass() -> JavaClass<JavaObject>?
+
+  @JavaMethod
+  public func notify()
+
+  @JavaMethod
+  public func notifyAll()
+
+  @JavaMethod
+  public func wait(_ arg0: Int64) throws
+
+  @JavaMethod
+  public func wait(_ arg0: Int64, _ arg1: Int32) throws
+
+  @JavaMethod
+  public func wait() throws
+
+  @JavaMethod
+  public func removeFirst() -> JavaObject?
+
+  @JavaMethod
+  public func removeLast() -> JavaObject?
+
+  @JavaMethod
+  public func getFirst() -> JavaObject?
+
+  @JavaMethod
+  public func getLast() -> JavaObject?
+}
diff --git a/Sources/JavaKitJar/generated/Attributes.swift b/Sources/JavaKitJar/generated/Attributes.swift
index c0bb5f6f..69827d34 100644
--- a/Sources/JavaKitJar/generated/Attributes.swift
+++ b/Sources/JavaKitJar/generated/Attributes.swift
@@ -1,5 +1,6 @@
 // Auto-generated by Java-to-Swift wrapper generator.
 import JavaKit
+import JavaKitCollection
 import JavaRuntime
 
 @JavaClass("java.util.jar.Attributes")
@@ -28,6 +29,9 @@ public struct Attributes {
   @JavaMethod
   public func equals(_ arg0: JavaObject?) -> Bool
 
+  @JavaMethod
+  public func values() -> JavaCollection<JavaObject>?
+
   @JavaMethod
   public func hashCode() -> Int32
 
@@ -46,6 +50,9 @@ public struct Attributes {
   @JavaMethod
   public func containsKey(_ arg0: JavaObject?) -> Bool
 
+  @JavaMethod
+  public func keySet() -> JavaSet<JavaObject>?
+
   @JavaMethod
   public func containsValue(_ arg0: JavaObject?) -> Bool
 
diff --git a/Sources/JavaKitJar/generated/JarFile.swift b/Sources/JavaKitJar/generated/JarFile.swift
index dc7eb93b..e5d8eb6d 100644
--- a/Sources/JavaKitJar/generated/JarFile.swift
+++ b/Sources/JavaKitJar/generated/JarFile.swift
@@ -1,5 +1,6 @@
 // Auto-generated by Java-to-Swift wrapper generator.
 import JavaKit
+import JavaKitCollection
 import JavaRuntime
 
 @JavaClass("java.util.jar.JarFile")
diff --git a/Sources/JavaKitNetwork/generated/URLClassLoader.swift b/Sources/JavaKitNetwork/generated/URLClassLoader.swift
index 849d5715..6dd407f4 100644
--- a/Sources/JavaKitNetwork/generated/URLClassLoader.swift
+++ b/Sources/JavaKitNetwork/generated/URLClassLoader.swift
@@ -1,5 +1,6 @@
 // Auto-generated by Java-to-Swift wrapper generator.
 import JavaKit
+import JavaKitCollection
 import JavaRuntime
 
 @JavaClass("java.net.URLClassLoader")
diff --git a/Sources/JavaKitReflection/generated/Constructor.swift b/Sources/JavaKitReflection/generated/Constructor.swift
index b7900cd7..f3d1bb55 100644
--- a/Sources/JavaKitReflection/generated/Constructor.swift
+++ b/Sources/JavaKitReflection/generated/Constructor.swift
@@ -1,5 +1,6 @@
 // Auto-generated by Java-to-Swift wrapper generator.
 import JavaKit
+import JavaKitCollection
 import JavaRuntime
 
 @JavaClass("java.lang.reflect.Constructor", extends: Executable.self)
diff --git a/Sources/JavaKitReflection/generated/Executable.swift b/Sources/JavaKitReflection/generated/Executable.swift
index 9084b84f..4c337cbe 100644
--- a/Sources/JavaKitReflection/generated/Executable.swift
+++ b/Sources/JavaKitReflection/generated/Executable.swift
@@ -1,5 +1,6 @@
 // Auto-generated by Java-to-Swift wrapper generator.
 import JavaKit
+import JavaKitCollection
 import JavaRuntime
 
 @JavaClass("java.lang.reflect.Executable", extends: AccessibleObject.self, implements: GenericDeclaration.self)
diff --git a/Sources/JavaKitReflection/generated/Field.swift b/Sources/JavaKitReflection/generated/Field.swift
index fec0cb9a..72ab10a9 100644
--- a/Sources/JavaKitReflection/generated/Field.swift
+++ b/Sources/JavaKitReflection/generated/Field.swift
@@ -1,5 +1,6 @@
 // Auto-generated by Java-to-Swift wrapper generator.
 import JavaKit
+import JavaKitCollection
 import JavaRuntime
 
 @JavaClass("java.lang.reflect.Field", extends: AccessibleObject.self)
diff --git a/Sources/JavaKitReflection/generated/Method.swift b/Sources/JavaKitReflection/generated/Method.swift
index f438a327..2c6e1a46 100644
--- a/Sources/JavaKitReflection/generated/Method.swift
+++ b/Sources/JavaKitReflection/generated/Method.swift
@@ -1,5 +1,6 @@
 // Auto-generated by Java-to-Swift wrapper generator.
 import JavaKit
+import JavaKitCollection
 import JavaRuntime
 
 @JavaClass("java.lang.reflect.Method", extends: Executable.self)
diff --git a/Sources/JavaKitReflection/generated/Parameter.swift b/Sources/JavaKitReflection/generated/Parameter.swift
index 9a928f46..36f68dd0 100644
--- a/Sources/JavaKitReflection/generated/Parameter.swift
+++ b/Sources/JavaKitReflection/generated/Parameter.swift
@@ -1,5 +1,6 @@
 // Auto-generated by Java-to-Swift wrapper generator.
 import JavaKit
+import JavaKitCollection
 import JavaRuntime
 
 @JavaClass("java.lang.reflect.Parameter")
diff --git a/Tests/Java2SwiftTests/Java2SwiftTests.swift b/Tests/Java2SwiftTests/Java2SwiftTests.swift
index bac88d47..b3418ff2 100644
--- a/Tests/Java2SwiftTests/Java2SwiftTests.swift
+++ b/Tests/Java2SwiftTests/Java2SwiftTests.swift
@@ -25,7 +25,7 @@ var jvm: JavaVirtualMachine {
 }
 
 class Java2SwiftTests: XCTestCase {
-  func testJavaLangObjectMapping() async throws {
+  func testJavaLangObjectMapping() throws {
     try assertTranslatedClass(
       JavaObject.self,
       swiftTypeName: "MyJavaObject",
@@ -46,6 +46,48 @@ class Java2SwiftTests: XCTestCase {
       ]
     )
   }
+
+  func testGenericCollections() throws {
+    try assertTranslatedClass(
+      MyArrayList<JavaObject>.self,
+      swiftTypeName: "JavaArrayList",
+      translatedClasses: [
+        "java.lang.Object": ("JavaObject", nil, true),
+        "java.util.List": ("JavaList", nil, true),
+      ],
+      expectedChunks: [
+        """
+          @JavaMethod
+          public func subList(_ arg0: Int32, _ arg1: Int32) -> JavaList<JavaObject>?
+        """
+      ]
+    )
+  }
+
+  func testLinkedList() throws {
+    try assertTranslatedClass(
+      MyLinkedList<JavaObject>.self,
+      swiftTypeName: "JavaLinkedList",
+      translatedClasses: [
+        "java.lang.Object": ("JavaObject", nil, true),
+        "java.util.List": ("JavaList", nil, true),
+      ],
+      expectedChunks: [
+        """
+          @JavaMethod
+          public func subList(_ arg0: Int32, _ arg1: Int32) -> JavaList<JavaObject>?
+        """
+      ]
+    )
+  }
+}
+
+@JavaClass("java.util.ArrayList")
+public struct MyArrayList<E: AnyJavaObject> {
+}
+
+@JavaClass("java.util.LinkedList")
+public struct MyLinkedList<E: AnyJavaObject> {
 }
 
 /// Translate a Java class and assert that the translated output contains