/*File Thread01.java Copyright 1997, R.G.Baldwin Illustrates instantiation and running of threads using the runnable interface instead of extending the Thread class. Tested using JDK 1.1.3 under Win95. The output is: Thread[threadA,5,main] Thread[threadB,5,main] Thread[main,5,main] **********************************************************/ class Thread01{ static public void main(String[] args){ //Instantiate two new thread objects Thread myThreadA = new Thread(new MyThread(),"threadA"); Thread myThreadB = new Thread(new MyThread(),"threadB"); //Start them running myThreadA.start(); myThreadB.start(); try{ //delay for one second Thread.currentThread().sleep(1000); }catch(InterruptedException e){} //Display info about the main thread System.out.println(Thread.currentThread()); }//end main }//end class Thread01 //=======================================================// class DoNothing{ //This class exists only to be inherited by the MyThread // class to prevent that class from being able to inherit // the Thread class, thus requiring it to implement the // Runnable interface instead.} //end class DoNothing //=======================================================// class MyThread extends DoNothing implements Runnable{ public void run(){ //Display info about this particular thread System.out.println(Thread.currentThread()); }//end run }//end class MyThread