As the name suggests Prototype means making a clone. and Cloning is the operation of replicating an object.The cloned object the copy is...

This design pattern is used when only one instance of an object is needed throughout the lifetime of an application.The singleton class...

Solution: public void setZero(int[][] matrix) { boolean[] row= new boolean[matrix.length]; boolean[] row= new...

As the name suggest it self that builds complex objects from simple one step by step and the object creation process should be generic So...

Abstract Factory is a factory object that returns one of several factories.Modularization is a big issue in today's...

This design pattern is all about the class instantiation.These design patterns tries to create objects in a manner suitable to the...

What are Design Patterns? Design Pattern is a used and tested solution for a know problem.In simple words you can say a general reusable...

Replace Constructor with Factory Method Pattern.Why lets take a case Suppose you have class like class Employee { Employee(int type) {...

Well its not in order and not complete.will keep adding but for now i have few.... 1)How do you find memory leaks in android application?...