wait_&_notify java

WaitLockTestApp.java

package com.sap.java;

public class WaitLockTestApp {
  private static int sum = 0;

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

    final WaitLockTestApp app = new WaitLockTestApp();

    Thread thread1 = new Thread(new Runnable() {
      public void run() {
        synchronized (this) {
          for (int i = 0;i < 100; i++) {
            sum = sum + i;
          }
          this.notify();
        }
      }
    });

    thread1.start();

    synchronized (thread1) {
      thread1.wait();
    }

    System.out.println(sum);
  }
}