14

1.

package zyzy;

public class Vehicle {
    private String brand;
    private String color;
    private double speed;
    public Vehicle(String brand, String color, double speed) {
        super();
        this.brand = brand;
        this.color = color;
        this.speed = 0;
    }
    public String getBrand() {
        return brand;
    }
    public String getColor() {
        return color;
    }
    public void setColor(String color) {
        this.color = color;
    }
    public double getSpeed() {
        return speed;
    }
    public void setSpeed(double speed) {
        this.speed = speed;
    }
    public void run(){
        System.out.println("品牌是"+brand+",颜色是"+color+"的汽车,正在以"+speed+"速度奔跑");
    }
}

package zyzy;

public class Car extends Vehicle{
    int loader;
    public int getLoader() {
        return loader;
    }
    public void setLoader(int loader) {
        this.loader = loader;
    }
    public Car(String brand, String color, double speed, int loader) {
        super(brand, color, speed);
        this.loader = loader;
    }
    public void run(){
        System.out.println("品牌是"+super.getBrand()+",颜色是"+super.getColor()+",载人数为"+loader+"的汽车,正在以"+super.getSpeed()+"速度奔跑");
    }
}

package zyzy;

public class test {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
         Vehicle v=new Vehicle("benz", "black", 180);
         v.setSpeed(120);
         v.run();
         Car c=new Car("Honda", "red", 180, 3);
         c.setSpeed(180);
         c.run();
    }

}

 

 2.

package zyzy2;

public abstract class Shape {
    double area;
    double per;
    char color;
    public Shape() {
        super();
    }
    public Shape(char color) {
        super();
        this.color = color;
    }
    public abstract double getPer();
    public abstract double getArea();
    public  abstract void showAll();
    public char getColor() {
        return color;
    }
    }

package zyzy2;

public class Rectangle extends Shape{
    @Override
    public double getPer() {
        // TODO Auto-generated method stub
        return (width + height) * 2;
    }
 
    @Override
    public double getArea() {
        // TODO Auto-generated method stub
        return width * height;
    }
 
    double width;
    double height;
 
    public Rectangle(double width, double height, char color) {
        super();
        this.width = width;
        this.height = height;
        this.color = color;
    }
 
    public Rectangle() {
        super();
    }
    public void showAll() {
        System.out.println("矩形的长是" + width + ",宽是" + height + ",颜色是" + color + ",周长是" + getPer() + ",面积是" + getArea());
    }
}

package zyzy2;

public class test {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
         Rectangle r = new Rectangle(2, 2, '黑');
            r.showAll();
            Circle c = new Circle(6, '白');
            c.showAll();
     
    }

}

package zyzy2;

public class Circle extends Shape{
    double radius;
     
    public void showAll(){
        System.out.println("圆形的半径是"+radius+",颜色是"+color+",周长是"+getPer()+",面积是"+getArea());
    }
    @Override
    public double getPer() {
        // TODO Auto-generated method stub
        return 2*3.14*radius;
    }
    @Override
    public double getArea() {
        // TODO Auto-generated method stub
        return 3.14*radius*radius;
    }
    public Circle(double radius,char color) {
        super();
        this.radius = radius;
        this.color=color;
    }
}