DiningPhilosophers.java

class DiningPhilosophers {
    public static void main(String[] args) {
	Fork[] forks = new Fork[5];
	for (int i=0; i<forks.length; i++) {
	    forks[i] = new Fork();
	}

	Philosopher p1 = new Philosopher(1,forks[0],forks[1]);
	Philosopher p2 = new Philosopher(2,forks[1],forks[2]);
	Philosopher p3 = new Philosopher(3,forks[2],forks[3]);
	Philosopher p4 = new Philosopher(4,forks[3],forks[4]);
	Philosopher p5 = new Philosopher(5,forks[4],forks[0]);

	p1.start();
	p2.start();
	p3.start();
	p4.start();
	p5.start();

    }
}

class Philosopher extends Thread {
    private Fork l,r;
    private int num;

    public void run() {
	while(true) {
	    eat();
	}
    }

    void eat() {
	synchronized(l) {
	    synchronized(r) {
		System.out.printf("Philopher %d eating.\n",num);
		System.out.printf("Current time is %d\n",
				  System.currentTimeMillis());
	    }
	}

    }

    Philosopher(int num, Fork l, Fork r) {
	this.num = num;
	this.l = l;
	this.r = r;
    }
}

class Fork {}