package vn.edu.rmit.sadi; public class Main { public static void main(String[] args) { PrintThread pT1 = new PrintThread(10000); pT1.start(); PrintThread pT2 = new PrintThread(20000); pT2.start(); System.out.println("In Main Before loop"); while (pT1.isAlive() || pT2.isAlive()){ // empty loop } System.out.println(); System.out.println("In main After loop"); } }