This Repository subject is Design Pattern. I make it by using Test Driven Development method.

1. Add Mallard Duck class including methods about getName(), quack(), swim(), display() - 2017/01/12
2. Add Redhead Duck class including methods about getName(), quack(), swim(), display() - 2017/01/12
3. Add Rubber Duck class including methods about getName(), quack(), swim(), display() - 2017/01/13
4. Add Decoy Duck class including methods about getName(), quack(), swim(), display() - 2017/01/13
5. Add Model Duck class including methods about getName(), quack(), swim(), display() - 2017/01/13
6. Add QuackBehavior interface - 2017/01/14
7. Add FlyBehavior interface - 2017/01/14
8. Add Dynamic changing Behavior by called setQuackBehavior method in Duck class - 2017/01/15
9. Add Dynamic changing Behavior by called setFlyBehavior method in Duck class - 2017/01/15

1. Add King class and TestCase - 2017/01/16
2. Add Knight class and TestCase - 2017/01/16
3. Add WeaponBehavior interface and Sword class, Axo class - 2017/01/16
4. Add Weapon, Knife class and BowAndArrow class - 2017/01/17

1. Add WeatherData class and TestCase - 2017/01/19
2. Add CurrentConditionDisplay class and TestCase - 2017/01/21
3. Add StatisticsDisplay class and TestCase - 2017/01/22
4. Add ForcastDisplay class and TestCase - 2017/01/23