class MyThread implements Runnable {
    
    private String name;
    
    public MyThread(String name) {
        super();
        this.name = name;
    }
    
    @Override
    public void run() {
        for(int i = 0 ; i < 200; i++) {
            System.out.println("Thread"+name+"--->"+i);
        }    
    }
}

public class ThreadDemo {

    public static void main(String[] args) {
        MyThread a = new MyThread("a");
        MyThread b = new MyThread("b");
        MyThread c = new MyThread("c");
        new Thread(a).start();
        new Thread(b).start();
        new Thread(c).start();
    }
}