OutOfMemoryExample.java

import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.stream.Stream;

public class OutOfMemoryExample {

    static BlockingQueue<byte[]> blockingQueue = new LinkedBlockingQueue<>();

    public static void main(String[] args) {
        new Thread(() -> Stream.generate(() -> 1L).forEach(o -> {
            blockingQueue.offer(new byte[5 * 1024 * 1024]);
            try {
                Thread.sleep(100);
            } catch (Exception e) {
                //noop
            }
        })).start();

        new Thread(() -> Stream.generate(() -> 1L).forEach(o -> {
            try {
                blockingQueue.take();
                Thread.sleep(200);
            } catch (Exception e) {
                //noop
            }
        })).start();
    }
}