fork download
copy 
  1. class Main {
  2.  
  3.   public static volatile Callee callee;
  4.  
  5.   static class Callee {
  6.     public void call() { System.out.println("Method called"); }
  7.  
  8.     public Callee() {
  9.       Main.callee = this;
  10.       try {Thread.sleep(1000);} catch (Exception e) {}
  11.       System.out.println("I am constructed!");
  12.     }
  13.   }
  14.  
  15.   static class Creator implements Runnable {
  16.     public void run() { Main.callee = new Callee(); }
  17.   }
  18.  
  19.   static class Caller implements Runnable {
  20.     public void run() {
  21.       while (Main.callee == null);
  22.       Main.callee.call();
  23.     }
  24.   }
  25.  
  26.   public static void main(String... args) {
  27.     new Thread(new Creator()).start();
  28.     new Thread(new Caller()).start();
  29.   }
  30. }
Success #stdin #stdout 0.03s 246272KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Method called
I am constructed!
https://ideone.com/6xbzJT
language:
Java (HotSpot 12)
created:
13 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!