PAI_lab1_zad1

import static java.lang.Math.*;
class MyThread extends Thread {
    private int cnt;
    private String str;
    private int min=100;
    private int max=999;
    int range = (max - min) + 1;

    public MyThread(int c, String s){
        cnt = c;
        str = s;
    }

    @Override public void run() {
        try
        {
            for(int i =0; i <cnt; i++)
            {
                System.out.println(str);
                Thread.sleep((long)(Math.random() * range) + min);
            }
        }
        catch(InterruptedException ex)
        {}

    }
}


public class Pingpong {

    public static void main(String[] args) throws InterruptedException {

        System.out.println("===== START ===========");
        MyThread t1 = new MyThread(10, "Ping");
        MyThread t2 = new MyThread(10, "Pong");
        MyThread t3 = new MyThread(10, "PENG");

        t1.start();
        t2.start();
        t3.start();

        t1.join();
        t2.join();
        t3.join();

        System.out.println("===== STOP ===========");

    }

}