Main.java Source code

Introduction

Here is the source code for Main.java

Source

public class Main {

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

    }
}

class ThreadGroupDemo implements Runnable {
    public ThreadGroupDemo() {
        ThreadGroup pGroup = new ThreadGroup("Parent ThreadGroup");
        ThreadGroup cGroup = new ThreadGroup(pGroup, "Child ThreadGroup");
        Thread t1 = new Thread(pGroup, this);
        System.out.println("Starting " + t1.getName());
        t1.start();

        Thread t2 = new Thread(cGroup, this);
        System.out.println("Starting " + t2.getName());
        t2.start();

        ThreadGroup[] grpList = new ThreadGroup[pGroup.activeGroupCount()];
        int count = pGroup.enumerate(grpList);
        for (int i = 0; i < count; i++) {
            System.out.println("ThreadGroup " + grpList[i].getName() + " found");
        }
    }

    public void run() {
        System.out.println(Thread.currentThread().getName() + " finished executing.");
    }
}