Java Design pattrans

There are 23 basic types of design pattrans in java which is defined by the GOF(gang of four).The design pattrans is nothing but the "Element of reusablity of software".
The design pattrans are divided into 3 main catagories:
1) GoF creational Patterns.
2)GoF Structural Patterns.
3)GoF Behavorial Patterns.
GoF creational Patterns: define the best possible way in which the object can be instantiated. and also describes the best way to CREATE object instances.As we knows the object instance in Java can be created by a new operator.The types of creational Pattrans are:
1. Factory Pattern
2. Abstract Factory Pattern
3. Builder Pattern
4. Prototype Pattern
5. Singleton Pattern