摘要:
多态很常识的理解就是向上转型,但是只记住这个概念会出错的,比如看下面的代码 // polymorphism/PrivateOverride.java // Trying to override a private method // {java polymorphism.PrivateOverrid 阅读全文
摘要:
这里举一个继承的初始化例子 // reuse/Detergent.java // (c)2017 MindView LLC: see Copyright.txt // We make no guarantees that this code is fit for any purpose. // Vi 阅读全文