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+---
+Title: 'size()'
+Description: 'Returns the number of elements in a queue in Java.'
+Subjects:
+  - 'Code Foundations'
+  - 'Computer Science'
+Tags:
+  - 'Collections'
+  - 'Queues'
+CatalogContent:
+  - 'learn-java'
+  - 'paths/computer-science'
+---
+
+Java **`size()`** is a method that returns the number of elements currently present in a collection like a queue, helping determine how many items are stored at any given moment.
+
+## Syntax
+
+```pseudo
+queue.size()
+```
+
+**Parameters:**
+
+`size()` method does not take any parameters.
+
+**Return value:**
+
+- Returns an integer representing the count of elements in the queue.
+
+## Example 1: Get Queue Length using Java `size()`
+
+ In this example, the `size()` method in Java is used to find the number of elements present in a queue:
+ 
+```java
+import java.util.LinkedList;
+import java.util.Queue;
+
+public class QueueSizeExample {
+  public static void main(String[] args) {
+    Queue<String> queue = new LinkedList<>();
+
+    queue.add("Apple");
+    queue.add("Banana");
+    queue.add("Cherry");
+
+    System.out.println("Queue size: " + queue.size());  // Output: Queue size: 3
+  }
+}
+```
+
+The output of this code is:
+
+```shell
+Queue size: 3
+```
+
+## Example 2: Check Queue Before Processing
+
+In this example, the `size()` method in Java is used to verify if a queue contains elements before processing them:
+
+```java
+import java.util.LinkedList;
+import java.util.Queue;
+
+public class QueueSizeCheckExample {
+  public static void main(String[] args) {
+    Queue<Integer> numbers = new LinkedList<>();
+
+    numbers.add(10);
+    numbers.add(20);
+    numbers.add(30);
+
+    if (numbers.size() > 0) {
+      System.out.println("Queue has " + numbers.size() + " elements. Processing...");
+      while (!numbers.isEmpty()) {
+        System.out.println("Removed: " + numbers.remove());
+      }
+    } else {
+      System.out.println("Queue is empty. Nothing to process.");
+    }
+  }
+}
+```
+
+The output of this code is:
+
+```shell
+Queue has 3 elements. Processing...
+Removed: 10
+Removed: 20
+Removed: 30
+```
+