thread by runnable interface

 package com.company;

class MyThreadRunnable1 implements Runnable {
    int i = -1000;

    public void run() {
        do {
            System.out.println("I am thread not a threat!");
            i++;
        } while (i < 0);
    }
}
    class MyThreadRunnable2 implements Runnable {
        public void run() {
            for (int i =0; i < 1000; i++) {
                System.out.println("hello guys my name is 2");
            }
        }
    }
    public class CWH_71_runnable_interface {
        public static void main(String[] args) {
            MyThreadRunnable1 bullet1 = new MyThreadRunnable1();
            Thread gun1=new Thread(bullet1);

            MyThreadRunnable2 bullet2 = new MyThreadRunnable2();
            Thread gun2 =new Thread(bullet2);

            gun1.start();
            gun2.start();
        }
    }