Which is the Best Java Web Framework ?

Online Test - Design Pattern - Singleton

Online Test Home Page

public class Singleton

         private static Singleton instance = null; 
         protected Singleton() 
         {  
         } 
         public static Singleton getInstance() 
         { 
                   if(instance == null) 
                   { 
                           instance = new Singleton(); 
                   } 
                   return instance; 
         } 
}

Q . .







Out of correct.


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