package Threads;

class Hi extends Thread{

public void show(){

for (int i = 0; i < 5; i++) {

System.out.print("Hi");

try{Thread.sleep(500);}catch (Exception e){}

}

}

}

class Hello extends Thread implements Runnable{

public void run(){

for (int i = 0; i < 5; i++) {

System.out.print("Hello");

try{Thread.sleep(500);}catch (Exception e){}

}

}

}

public class ThreadDemo {

public static void main(String[] args) {

Hi obj1 = new Hi();

Hello obj2 = new Hello();

obj1.show();

//obj2.show();

obj1.start();

obj2.start();

// Thread class has start() but Runnable interface doesnt have start()

//for Runnable interface we need to make object of Thread and pass obj of class in it

Thread t1 = new Thread(obj1);

Thread t2 = new Thread(obj2);

t1.start();

t2.start();

}

}