// this is file ThreadTester.java

// complile with "javac ThreadTester.java"

// after both classes have been compliled, then execute this one

//    with "java ThreadTester"

// use CTRL-C to terminate 



public class ThreadTester {

        public static void main(String argv[]) {

                TestThread aRP = new TestThread();

                System.out.println("ThreadTester");

                new Thread(aRP, "Thread 1  ").start();

                new Thread(aRP, "Thread 2  ").start();

                new Thread(aRP, "Thread 3  ").start();

                new Thread(aRP, "Thread 4  ").start();

        }

}





// this is file TestThread.java

// compile with "javac TestThread.java"



public class TestThread implements Runnable {

        private int count;

        public void run() {

                while (true) {

                         count++;

                         System.out.println(Thread.currentThread().getName()

                         + count);

                }

        }

}

You may wish to experiment with the sleep function to slow down the threads. Sleep measured in milliseconds.

       try {
            Thread.sleep(500);
       } catch (InterruptedException e) {
            return;
       }