Java class which creates A LOT of threads

ThreadExplosion.java

/*
 * Copyright (c) 2017 Red Hat, Inc. and others. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package test;

/**
 * Example creating a lot of threads.
 *
 * This is handled "orderly" by the JVM, it doesn't just kill:
 *
 * Exception in thread "main" java.lang.OutOfMemoryError: unable to create new native thread
 *   at java.lang.Thread.start0(Native Method)
 *   at java.lang.Thread.start(Thread.java:717)
 *   at test.ThreadExplosion.main(ThreadExplosion.java:25)
 *
 * For https://jira.opendaylight.org/browse/NETVIRT-974
 *
 * @author Michael Vorburger.ch
 */
public class ThreadExplosion {

    public static void main(String[] args) {
        for (int i = 0; i < 1_000_000; i++) {
            new Thread((Runnable) () -> {
                try {
                    Thread.sleep(1_000_000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }, "TestThread" + i).start();
        }
    }

}