Design Patterns in Java

A design pattern is a well-described solution to a recurring software problem.

Java design patterns are classified into three categories:

1. Creational => Concerts over the object creation
2. Structural => Concerns over object structure
3. Behavioural => Concers over how objects communicate

Creational

1. Singleton Pattern
2. Factory Pattern
3. Abstract Factory Pattern
4. Builder Pattern
5. Prototype Pattern

Structural

Behavioural

1. Chain of Responsibility

Further Readings:-

http://www.peru-software.com/aula/pluginfile.php/799/mod_resource/content/1/Java_Design_Pattern_eBook.pdf https://www.ibm.com/developerworks/java/library/j-dcl/index.html http://www.cs.umd.edu/~pugh/java/memoryModel/DoubleCheckedLocking.html