• 创建如下三个类:(People类中的三个方法分别输出一些信息,ChinaPeople 和AmericanPeople类重写父类的三个方法)。


    创建如下三个类:(People类中的三个方法分别输出一些信息,ChinaPeople

    和AmericanPeople类重写父类的三个方法)。

    ackage com.chuoji.text01;
    
    public class People {
        
        protected double height;
        protected double weight;
        public double getHeight() {
            return height;
        }
        public void setHeight(double height) {
            this.height = height;
        }
        public double getWeight() {
            return weight;
        }
        public void setWeight(double weight) {
            this.weight = weight;
        }
        public void speakHello(){
            System.out.println("你好");
        }
        public void averageHeight(){
            System.out.println("身高是:"+height);
        }
        public void averageWeight(){
            System.out.println("体重是:"+weight);
        }
    }
    package com.chuoji.text01;
    
    public class ChinaPeople extends People {
    
        public void speakHello(){
            System.out.println("你好,我是中国人!");
        }
        public void averageHeight(){
            System.out.println("中国人身高是:"+height);
        }
        public void averageWeight(){
            System.out.println("中国人体重是:"+weight);
        }
        public void chinaGongfu(){
            System.out.println("我会功夫:坐如钟,站如松,卧如弓!");
        }
        
    }
    package com.chuoji.text01;
    
    public class AmericanPeople extends People{
    
         public void speakHello(){
                System.out.println("你好,我是美国人!");
            }
            public void averageHeight(){
                System.out.println("美国人身高是:"+height);
            }
            public void averageWeight(){
                System.out.println("美国人体重是:"+weight);
            }
            public void amercianBoxing(){
                System.out.println("我会拳击:直拳、上勾拳");
            }
        
        
    }
    package com.chuoji.text01;
    
    public class Text {
    
        public static void main(String[] args) {
    
            ChinaPeople C=new ChinaPeople();
            C.height=175;
            C.weight=65;
            C.speakHello();
            C.averageHeight();
            C.averageWeight();
            C.chinaGongfu();
            
            AmericanPeople M =new AmericanPeople();
            M.height=180;
            M.weight=75;
            M.speakHello();
            M.averageHeight();
            M.averageWeight();
            M.amercianBoxing();
            
    
        }
    
    }

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  • 原文地址:https://www.cnblogs.com/chouji717/p/5900893.html
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