随笔分类 - Java / 继承
摘要：package com.Demo1; public class Test { public static void main(String[] args) { //掌握在类的构造器中，通过this(...)调用兄弟构造器的作用 Student s1=new Student("李四",26,"家里蹲大
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摘要：package com.Demo1; public class Test { public static void main(String[] args) { //搞清楚子类构造器为什么要调用父类构造器，有啥应用场景 Teacher t=new Teacher("李四",36,"Java"); Sy
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摘要：package com.extendsDemo; public class Test { public static void main(String[] args) { B b=new B(); System.out.println(b.i); // System.out.println(b.j)
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