language: Java (sun-jdk-1.7.0_10)
date: 140 days 17 hours ago
link:
visibility: public 
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class Main {
 
private static Main inst = null;
 
public Main() {
  if(inst == null) {
     System.out.println("Refset false");
  } else {
     System.out.println("Refset true");
  }
}
 
public static void main(String []args) {
  inst = new Main();
}
 
}