Add First Singleton pattern
Add Factory Pattern , Adapter pattern
Make it more fun
Fix lock wrong object
Fix abstract animal
Add Decorator pattern and Composite pattern
Merge branch 'AddPattern' into develop
Add Null object example
Add pattern
add project
change package name and add iterater pattern
Add Facade pattern
Add Bridge pattern example
Merge branch 'Add_Pattern_Example' into develop
Add state Pattern
Add abstract factory pattern
Merge branch 'Add_Pattern_Example' into develop