Java Collection Tutorial - Java ArrayBlockingQueue .toArray (T[] a)


ArrayBlockingQueue.toArray(T[] a) has the following syntax.

public <T> T[] toArray(T[] a)


In the following code shows how to use ArrayBlockingQueue.toArray(T[] a) method.

import java.util.Arrays;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
//from   ww  w . ja  va  2 s . c  o  m
public class Main {
  public static void main(String[] argv) throws Exception {
    int capacity = 10;
    BlockingQueue<Integer> queue = new ArrayBlockingQueue<Integer>(capacity);

    for (int i = 0; i < 10; i++) {
    System.out.println(Arrays.toString(queue.toArray(new Integer[queue.size()])));

The code above generates the following result.