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  • java 继承练习题7

    编写一个Car类,具有final类型的属性品牌,具有功能drive

    定义其子类AodiBenchi,具有属性:价格、型号;具有功能:变速;

    定义主类E,在其main方法中分别创建AodiBenchi的对象并测试对象的特

    性。

    public class Car {
        private final String  Pinpai="";
        
        public String getPinpai() {
            return Pinpai;
        }
    
        public void drive()
        {
            System.out.println("开车中");
        }
        
        
    public class Aodi extends Car {
    
        private double jiage;
        private String xinghao;
        
        public double getJiage() {
            return jiage;
        }
    
        public void setJiage(double jiage) {
            this.jiage = jiage;
        }
    
        public String getXinghao() {
            return xinghao;
        }
    
        public void setXinghao(String xinghao) {
            this.xinghao = xinghao;
        }
    
        public void biansu()
        {
            System.out.println("速度改变");
        }
    }
    public class Benchi extends Car {
        private double jiage;
        private String xinghao;
        
        public double getJiage() {
            return jiage;
        }
    
        public void setJiage(double jiage) {
            this.jiage = jiage;
        }
    
        public String getXinghao() {
            return xinghao;
        }
    
        public void setXinghao(String xinghao) {
            this.xinghao = xinghao;
        }
    
        public void biansu()
        {
            System.out.println("速度改变");
        }
    public class E {
    
        public static void main(String[] args) {
            Aodi a=new Aodi();
            a.setJiage(388888);
            System.out.println(a.getJiage());
            a.setXinghao("x5");
            System.out.println(a.getXinghao());
            a.biansu();
            Benchi b=new Benchi();
            b.setJiage(266666);
            System.out.println(a.getJiage());
            b.setXinghao("B200");
            System.out.println(a.getXinghao());
            
            b.biansu();

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  • 原文地址:https://www.cnblogs.com/jskbk/p/5520303.html
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