Java继承实例代码

墨蓝 2022-05-15 02:13 151阅读 0赞

# Java继承实例代码 #

目录结构  
![20180823115934.png][]

animal

package com.geekmubai.animal;
    
    public class Animal {
        private String name;
        private int month;
        private String species;
    
        public Animal() {
    
        }
    
        public String getName() {
            return name;
        }
    
        public void setName(String name) {
            this.name = name;
        }
    
        public int getMonth() {
            return month;
        }
    
        public void setMonth(int month) {
            this.month = month;
        }
    
        public String getSpecies() {
            return species;
        }
    
        public void setSpecies(String species) {
            this.species = species;
        }
    
        //吃东西
        public void eat(){
            System.out.println(this.getName()+"在吃东西");
        }
    
    }

cat

package com.geekmubai.animal;
    
    public class Cat extends Animal {
        
        private double weight;
    
        public Cat() {
    
        }
    
        public double getWeight() {
            return weight;
        }
    
        public void setWeight(double weight) {
            this.weight = weight;
        }
    
        //跑动的方法
        public void run(){
            System.out.println(this.getName()+"是一只"+getSpecies()+"的猫，他在跑。");
        }
    
    }

dog

package com.geekmubai.animal;
    
    public class Dog extends Animal {
        
        private String sex;
    
        public Dog() {
        }
    
        public String getSex() {
            return sex;
        }
    
        public void setSex(String sex) {
            this.sex = sex;
        }
    
        //睡觉的方法
        public void sleep(){
            System.out.println(this.getName()+"现在"+this.getMonth()+"个月大，在睡觉。");
        }
    
    
    }

test

package com.geekmubai.test;
    
    import com.geekmubai.animal.Cat;
    import com.geekmubai.animal.Dog;
    
    public class Test {
        public static void main(String[] args) {
            Cat one=new Cat();
            one.setName("十二");
            one.setSpecies("中华田园猫");
            one.eat();
            one.run();
            System.out.println("=================");
            Dog two=new Dog();
            two.setName("负十二");
            two.setMonth(2);
            two.eat();
            two.sleep();
    
        }
    }

[20180823115934.png]: /images/20220515/afe6850c768d47fcabf3bb6867a02814.png