子类父类构造函数

class Base {

    private String name = "base";

    public Base() {        tellName();        printName();    }

    public void tellName() {        System.out.println("Base tell name: " + name);    }

    public void printName() {        System.out.println("Base print name: " + name);    }}

public class Dervied extends Base {

        private String name = "dervied";

        public Dervied() {            tellName();            printName();        }

        public void tellName() {            System.out.println("Dervied tell name: " + name);        }

        public void printName() {            System.out.println("Dervied print name: " + name);        }

        public static void main(String[] args){

            new Dervied();        }    }-----------------------------------------------

Dervied tell name: null
Dervied print name: null
Dervied tell name: dervied
Dervied print name: dervied

原文地址：https://www.cnblogs.com/2016-cxp/p/11005287.html