1    
2    private static Singleton singleton; //Static private attribute
3
4    private Singleton(){
5
6    }
7    private Singleton createSingleton(){
8        //this.singleton = ( this.singleton == null ) ?  new Singleton() : null;
9        if( singleton == null ){
10            singleton = new Singleton();
11        }else{
12            System.out.println("Already created");
13        }
14        return singleton;
15    }
16    public static void main(String[] args) {
17        Singleton s1 = new Singleton();
18        s1.createSingleton(); 
19        Singleton s2 = new Singleton();
20        s2.createSingleton();       
21    }
22} ~~~