Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.LinkedList;

public class Main {
    public static void main(String[] argv) {
        WorkQueue queue = new WorkQueue();

        int numWorkers = 2;
        Worker[] workers = new Worker[numWorkers];
        for (int i = 0; i < workers.length; i++) {
            workers[i] = new Worker(queue);
            workers[i].start();
        }

        for (int i = 0; i < 100; i++) {
            queue.addWork(i);
        }
    }
}

class WorkQueue {
    LinkedList<Object> queue = new LinkedList<Object>();

    public synchronized void addWork(Object o) {
        queue.addLast(o);
        notify();
    }

    public synchronized Object getWork() throws InterruptedException {
        while (queue.isEmpty()) {
            wait();
        }
        return queue.removeFirst();
    }
}

class Worker extends Thread {
    WorkQueue q;

    Worker(WorkQueue q) {
        this.q = q;
    }

    public void run() {
        try {
            while (true) {
                Object x = q.getWork();

                if (x == null) {
                    break;
                }
                System.out.println(x);
            }
        } catch (InterruptedException e) {
        }
    }
}