随笔分类 - java学习笔记
摘要:class Dog(){ eat();}ArrayList myArrayList = new ArrayList(); Dog aDog = new Dog(); myArrayList.add(aDog); object d = myAr...
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摘要:import java.util.*;public class Dog { String name; public void eat() { System.out.println("吃骨头"); } public static void main...
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摘要:20151203,在fenby学习,有一课是object类,主要的点:object类是java中所有类的父类
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