strategy ........\cakes ........\.....\Context.java ........\.....\HikeStrategy.java ........\.....\SkiStrategy.java ........\.....\Strategy.java ........\.....\TemperatureTester.java ........\general ........\.......\ConcreteStrategyAdd.java ........\.......\ConcreteStrategyMultiply.java ........\.......\ConcreteStrategySubtract.java ........\.......\Context.java ........\.......\StartegyTester.java ........\.......\Strategy.java