View difference between Paste ID: X9m4R5Ab and bk82TRFk

 //: concurrency/DeadlockingDiningPhilosophers.java
 package concurrency;
 
 import java.util.concurrent.*;
 
 public class DeadlockingDiningPhilosophers {
   public static void main(String[] args) throws Exception {
     int ponder = 5;
     if(args.length > 0)
       ponder = Integer.parseInt(args[0]);
     int size = 5;
     if(args.length > 1)
       size = Integer.parseInt(args[1]);
     ExecutorService exec = Executors.newCachedThreadPool();
     Chopstick[] sticks = new Chopstick[size];
     LinkedBlockingQueue<Chopstick> bin = new LinkedBlockingQueue<Chopstick>();
     for(int i = 0; i < size; i++)
       sticks[i] = new Chopstick();
     for(int i = 0; i < size; i++)
         exec.execute(new Philosopher(
           sticks[i], sticks[(i+1) % size], bin, i, ponder));
     if(args.length == 3 && args[2].equals("timeout"))
       TimeUnit.SECONDS.sleep(5);
     else {
       System.out.println("Press 'Enter' to quit");
       System.in.read();
     }
     exec.shutdownNow();
   }
 }
 
 //: concurrency/Philosopher.java
 // A dining philosopher
 package concurrency;
 
 import java.util.concurrent.*;
 import java.util.*;
 import static util.Print.*;
 
 public class Philosopher implements Runnable {
 	private BlockingQueue<Chopstick> bin;
   private Chopstick left;
   private Chopstick right;
   private final int id;
   private final int ponderFactor;
   private Random rand = new Random(47);
   private void pause() throws InterruptedException {
     if(ponderFactor == 0) return;
     TimeUnit.MILLISECONDS.sleep(
       rand.nextInt(ponderFactor * 250));
   }
   public Philosopher(Chopstick left, Chopstick right, BlockingQueue<Chopstick> bin,
     int ident, int ponder) {
     this.left = left;
     this.right = right;
 	this.bin = bin;
     id = ident;
     ponderFactor = ponder;
   }
   public void run() {
     try {
         print(this + " " + "thinking");
         pause();
         // Philosopher becomes hungry
         print(this + " " + "grabbing right");
         right.take();
         print(this + " " + "grabbing left");
         left.take();
         print(this + " " + "eating");
         pause();
         right.drop();
         left.drop();
 		print("putting left to bin."); bin.put(left);
 		while(!Thread.interrupted()) {
 			print(this + " " + "thinking");
 			pause();
 			// Philosopher becomes hungry
 			print(this + " " + "grabbing right from bin");
 			right = bin.take();
 			print(this + " " + "grabbing left from bin");
 			left = bin.take();
 			print(this + " " + "eating");
 			pause();
 			print(this + " " + "putting right to bin "); bin.put(right);
 			print(this + " " + "putting left to bin "); bin.put(left);
 		}
     } catch(InterruptedException e) {
       print(this + " " + "exiting via interrupt");
     }
   }
   public String toString() { return "Philosopher " + id; }
 } ///:~
 
 //: concurrency/Chopstick.java
 package concurrency;
 
 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();
   }
 } ///:~