package com.cnblogs; //本类用于实现 public class Application { public static void main(String[] args) { //实例化父类 Persion persion = new Persion(); //实例化子类 Student stu = new Student(); //子类调用父类方法 stu.say();//说了一句话! //子类调用父类属性 System.out.println(stu.money);//1000000000 //父类静态方法的调用(不需要实例化,直接用) Persion.show(); Student.show(); //同理,父类静态属性的调用 System.out.println(Persion.rmb);//1000000000 System.out.println(Student.rmb);//1000000000 } }
package com.cnblogs; /* persion类 */ public class Persion { //父类方法 public void say(){ System.out.println("说了一句话!"); } //父类属性 public int money =10_0000_0000; public static void show(){ System.out.println("父类静态方法!"); } public static int rmb = 10_0000_0000; }
package com.cnblogs; /* student类 */ public class Student extends Persion{ }
https://www.cnblogs.com/fangweicheng666/p/14978679.html
https://www.cnblogs.com/fangweicheng666/p/14978773.html