Test Override : Simple Threads « Threads « Java

Test Override

import java.util.ArrayList;

public class MainClass implements Runnable {

  static class OverrideThreadGroup extends ThreadGroup {
    public OverrideThreadGroup() {
      super("Administrator Alert Group");

    public void uncaughtException(Thread t, Throwable e) {

  public static void alertAdministrator(Throwable e) {
    // Use Java Mail to send the administrator's pager an email
    System.out.println("Adminstrator alert!");

  public static void main(String[] args) {
    ThreadGroup tg = new OverrideThreadGroup();

    Thread t = new Thread(tg, new MainClass());

  public void run() {
    ArrayList al = new ArrayList();
    while (true) {
      al.add(new byte[1024]);


Related examples in the same category

1.Create a thread by implementing Runnable.
2.Create a thread by extending Thread.
3.Thread ReminderThread Reminder
4.Thread Race DemoThread Race Demo
5.Suggesting when to switch threads with yield()Suggesting when to switch threads with yield()
6.Creating threads with inner classesCreating threads with inner classes
7.The safe way to stop a thread
8.Calling sleep() to wait for a whileCalling sleep() to wait for a while
9.Understanding join()Understanding join()
10.Daemon threads spawn other daemon threadsDaemon threads spawn other daemon threads
11.Daemon threads don't prevent the program from ending.
12.Shows the use of thread priorities.Shows the use of thread priorities.
13.Java new feature: threadingJava new feature: threading
14.Java 1.5 (5.0) new feature: Thread ScheduleJava 1.5 (5.0) new feature: Thread Schedule
15.Two simple threadsTwo simple threads
16.Simple threads creator Simple threads creator
18.SimpleThread using the Runnable interface.SimpleThread using the Runnable interface.
19.Very simple Threading example.Very simple Threading example.
20.Test Override ThreadTest Override Thread
21.Parallelizing Loops for Multiprocessor Machines
22.Listing All Running Threads in a group
23.Setting priorities on the Thread objects
24.Thread priorities.
25.Use a ThreadGroup.
26.Three Threads TestThree Threads Test