Design Patterns

Design patterns is basically a solution or blueprint for a problem that we get over and over again in programming, so they are just typical types of problems we can encounter as programmers, and these design patterns are just a good way to solve those problems, there is a lot of design pattern in android. So basically, they are three categories as below:

1. Creational Design patterns : How you create objects
2. Structural Design patterns : How you compose objects
3. Behavioral Design patterns : How you coordinate object interactions

Creational Design Patterns :

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