学习适配器模式
1.适配器类通过继承被适配的类进而可以调用父类方法实现功能
2.适配器类在实现Target接口的方法中调用父类的方法实现功能
3.Client端通过方法中传递的接口回调参数使用适配器中方法,进而使得Client端与被适配的类通过适配器类实现连接
局限性:
由于java具有单继承的特性,因而当适配器类继承了被适配的类之后,就不能继承其他的类,使得类的使用具有局限性, 因而可以通过引用被适配的类对象的方式来完成适配器的功能,进而避免了单继承的局限性。
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