2015年7月30日
多态
摘要： 多态 函数体现如方法的重载多态 对象体现how1 class 猫 extends 动物{public void 吃(){}}2 动物 D=new 猫();3 D.吃();扩展：据此增强扩展性 1 abstract class Animal 2 { 3 abstract void eat... 阅读全文
posted @ 2015-07-30 15:14 洱海 阅读(223) 评论(0) 推荐(0) 编辑
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