// threads/Chopstick.java

// (c)2016 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://mindviewinc.com/Books/OnJava/ for more book information.

// Chopsticks for dining philosophers

public class Chopstick {

private boolean taken = false;

public synchronized

void take() throws InterruptedException {

while(taken)

wait();

taken = true;

}

public synchronized void drop() {

taken = false;

notifyAll();

}

}