188页第2题

package org.hanqi.pn0120;

public class Feiji {

    private String name;
    private String color;
    private double price;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getColor() {
        return color;
    }
    public void setColor(String color) {
        this.color = color;
    }
    public double getPrice() {
        return price;
    }
    public void setPrice(double price) {
        this.price = price;
    }
    public Feiji(String name, String color, double price) {
        super();
        this.name = name;
        this.color = color;
        this.price = price;
    }
    public void fly()
    {
        System.out.println("使劲飞");
    }
    public void youhao()
    {
        System.out.println("飞不动,不耗油");
    }

}
父类
package org.hanqi.pn0120;

public class Feijidezilei extends Feiji {

    public Feijidezilei()
    {
        super("自制波音747","黑色",1000);
        System.out.println("子类的构造方法");
    }
    public void fly()
    {
        System.out.println("劣质,飞不起来");
    }
    public void zairen()
    {
        System.out.println("遥控的,没座位");
    }

}
子类
package org.hanqi.pn0120;

public class Feijiceshi {

    public static void main(String[] args) {
        Feiji f1=new Feiji("波音747","黑色",1000);
        System.out.println("自制"+f1.getName()+"颜色"+f1.getColor()+"造价"+f1.getPrice());
        f1.fly();
        f1.youhao();
        System.out.println();
        
        
        Feijidezilei f2=new Feijidezilei();
        System.out.println("自制"+f2.getName()+"颜色"+f2.getColor()+"造价"+f2.getPrice());
        f2.fly();
        f2.youhao();
        f2.zairen();
        System.out.println();
        
        
        Feijidezilei f3=new Feijidezilei();
        System.out.println("自制"+f3.getName()+"颜色"+f3.getColor()+"造价"+f3.getPrice());
        f3.fly();
        f3.youhao();
        f3.zairen();
        System.out.println();
继承测试

原文地址:https://www.cnblogs.com/cycanfly/p/5264396.html