// Code of Quiz 6.1
// Filename: Quiz6_1

class Foo{
   private int content;
   private String name;

   public Foo(int k, String s){ content = k; name = s; }
   public synchronized void updateContent(int k) { content = content + k; }
   public synchronized int getContent() { return content; }
   public synchronized String getName() { return name; }
}

class MyThread extends Thread{
   private Foo f;
           
   public MyThread(Foo f){ this.f = f; }
   public void run(){ 
      try {sleep((long)(java.lang.Math.random()*6));} catch(InterruptedException e) { return; }; 
      f.updateContent(2);                         //Update the content of f
      try {sleep((long)(java.lang.Math.random()*6));} catch(InterruptedException e) { return; }; 
      System.out.print(f.getName() + " "); //Print the name of f
      try {sleep((long)(java.lang.Math.random()*6));} catch(InterruptedException e) { return; }; 
      System.out.print(f.getContent() + " ");    //Print the content of f
    }
}

public class Quiz6_1{
     public static void main(String[] args) {
         Foo f = new Foo(1,"Giorgio");
         MyThread T1 = new MyThread(f);
         MyThread T2 = new MyThread(f);
         T1.start(); 
         T2.start();
      }
}