object.java

class Singleton
{
 private static Singleton single=null;
 private Singleton()
 {

 }
 public static Singleton getInstance()
 {
 if( single == null)
 {
 single = new Singleton();
 }
 return single;
 }
}
public class object {
 public static void main(String[] args)
 {
 Singleton instance1= Singleton.getInstance();
 Singleton instance2 = Singleton.getInstance();
 System.out.println(instance1 + " " + instance2);
 
 }
 
}