Java - Create Thread by Implementing Runnable Interface

class MyThread implements Runnable {
  int count;

  MyThread() {
    count = 0;
  }
  public void run() {
    System.out.println("MyThread starting.");
    try {
      do {
        Thread.sleep(500);
        System.out.println("In MyThread, count is " + count);
        count++;
      } while (count < 5);
    } catch (InterruptedException exc) {
      System.out.println("MyThread interrupted.");
    }
    System.out.println("MyThread terminating.");
  }
}

class RunnableDemo {
  public static void main(String args[]) {
    System.out.println("Main thread starting.");
    MyThread mt = new MyThread();
    Thread newThrd = new Thread(mt);
    newThrd.start();
    do {
      System.out.println("In main thread.");
      try {
        Thread.sleep(250);
      } catch (InterruptedException exc) {
        System.out.println("Main thread interrupted.");
      }
    } while (mt.count != 5);

    System.out.println("Main thread ending.");
  }
}

class MyThread implements Runnable {

int count;

MyThread() {

count = 0;

}

public void run() {

System.out.println("MyThread starting.");

try {

do {

Thread.sleep(500);

System.out.println("In MyThread, count is " + count);

count++;

} while (count < 5);

} catch (InterruptedException exc) {

System.out.println("MyThread interrupted.");

}

System.out.println("MyThread terminating.");

}

class RunnableDemo {

public static void main(String args[]) {

System.out.println("Main thread starting.");

MyThread mt = new MyThread();

Thread newThrd = new Thread(mt);

newThrd.start();

do {

System.out.println("In main thread.");

try {

Thread.sleep(250);

} catch (InterruptedException exc) {

System.out.println("Main thread interrupted.");

}

} while (mt.count != 5);

System.out.println("Main thread ending.");

}

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