CareerCup

Concept :
Use a shared Lock between the two threads.

package com.zoops.algorithms.example.misc;

/**
 *
 * @author ankit_1
 */
public class ThreadSynchronization {
    public static void main(String args[]) {
        Object LOCK = new Object();
        new Batting(LOCK).run();
        new Bowling(LOCK).run();
    }
}

class Batting implements Runnable {

    private final Object LOCK;
    
    Batting(Object lock) { LOCK = lock; }
    
    @Override
    public void run() {
        synchronized(LOCK) {
            for (int i=0; i<100; i++) {
                System.out.println(i);
            }
        }
    }
    
}

class Bowling implements Runnable {

    private final Object LOCK;
    
    Bowling(Object lock) { LOCK = lock; }
    
    @Override
    public void run() {
        synchronized(LOCK) {
            System.out.println("Bowl now");
        }
    }
    
}