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() {
        try {
            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();

            pGroup.checkAccess();
            System.out.println(pGroup.getName() + " has access");
            cGroup.checkAccess();
            System.out.println(cGroup.getName() + " has access");
        } catch (Exception ex) {
            System.out.println(ex.toString());
        }
    }

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