Application.java

public class Application
{
    public static void main(String[] args)
    {
        System.out.println("main thread is started");
        ThreadA threadA = new ThreadA();
        threadA.start();

        ThreadB threadB = new ThreadB();
        threadB.start();

        System.out.println("main thread completed");
    }
}


class ThreadA extends Thread
{
    public void run()
    {
        System.out.println("ThreadA is running");
        for(int index=0;index<5;index++)
        {
            System.out.println("ThreadA running on ["+index+"]");
            if(index==2){
              System.out.println("ThreadA calls Thread.yield() ");
              Thread.yield();
            }
        }
        System.out.println("ThreadA completed");
    }
}


class ThreadB extends Thread
{
    public void run()
    {
        System.out.println("ThreadB is running");
        for(int index=0;index<5;index++){
            System.out.println("ThreadB running on ["+index+"]");
        }
        System.out.println("ThreadB completed");
    }
}