ParallelCounter

/*
 *       File:  ParallelCounter.java
 * Created on:  12.06.2018
 * Created by:  Cavvar
 *    Package:  edu.hm.cavvar.thread_examples;
 *    Project:  SE_2
 */
package edu.hm.cavvar.thread_examples;

public class ParallelCounter {

    public static int count = 0;
    public static final Object MONITOR = new Object();

    static class Incrementer extends Thread {

        private int myOwnCounter;

        @Override
        public void run() {
            for (int i = 0; i < 1000000; i++) {
                myOwnCounter++;
                synchronized (MONITOR) {
                    count++;
                }
            }
        }

    }

    public static void main(String[] args) throws InterruptedException {
        Thread thread1 = new Incrementer();
        Thread thread2 = new Incrementer();

        thread1.start();
        thread2.start();
        System.out.println(thread1.isAlive());
        thread1.join();
        System.out.println(thread1.isAlive());
        thread2.join();

        System.out.println(ParallelCounter.count);
    }
}