add missing license in empty file

Author: ktoso

Samples/JavaDependencySampleApp/Sources/JavaExample/JavaExample.swift

@@ -0,0 +1,13 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift.org open source project
+//
+// Copyright (c) YEARS 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
+//
+//===----------------------------------------------------------------------===//

Samples/JavaKitSampleApp/Sources/JavaKitExample/JavaKitExample.swift

@@ -85,6 +85,11 @@ extension HelloSwift: HelloSwiftNativeMethods {
     return i * j
   }
 
+  @JavaMethod
+  func addIntegers(_ i: Int, _ j: Int) -> Int {
+    fatalError()
+  }
+
   func checkOptionals(helper: ThreadSafeHelperClass) {
     let text: JavaString? = helper.textOptional
     let value: String? = helper.getValueOptional(Optional<JavaString>.none)

Samples/JavaKitSampleApp/Sources/JavaKitExample/com/example/swift/HelloSwift.java

@@ -30,6 +30,8 @@ public HelloSwift() {
     }
 
     native int sayHello(int x, int y);
+    native Integer addIntegers(Integer x, Integer y);
+
     native String throwMessageFromSwift(String message) throws Exception;
 
     // To be called back by the native code

Sources/Java2Swift/JavaToSwift+FetchDependencies.swift

@@ -40,6 +40,10 @@ extension JavaToSwift {
     print("[info][swift-java] Resolved classpath for \(deps.count) dependencies of '\(moduleName)', classpath entries: \(classpathEntries.count), ", terminator: "")
     print("done.".green)
 
+    for entry in classpathEntries {
+      print("[info][swift-java] Classpath entry: \(entry)")
+    }
+
     return ResolvedDependencyClasspath(for: dependencies, classpath: dependenciesClasspath)
   }
 
@@ -133,6 +137,8 @@ extension JavaToSwift {
     // The file contents are just plain
     let contents = resolvedClasspath.classpath
 
+      print("[debug][swift-java] Resolved dependency: \(classpath)")
+
     // Write the file
     try writeContents(
       contents,

Sources/JavaKit/generated/JavaInteger.swift

@@ -4,13 +4,8 @@ import JavaRuntime
 @JavaClass("java.lang.Integer")
 open class JavaInteger: JavaNumber {
 
-  // FIXME: this is a workaround
-  public required init(fromJNI value: JNIType, in environment: JNIEnvironment) {
-    fatalError()
-  }
-
   @JavaMethod
-  @ _nonoverride public convenience init(_ arg0: Int32, environment: JNIEnvironment? = nil)
+  @_nonoverride public convenience init(_ arg0: Int32, environment: JNIEnvironment? = nil)
 
   @JavaMethod
   @_nonoverride public convenience init(_ arg0: String, environment: JNIEnvironment? = nil) throws