5-14

package h_m5_14;
/*
 * 汽车类 父类
 */
public class Vehicle {
private   String brand;
private String color;
private double speed;
public Vehicle() {
    // TODO Auto-generated constructor stub
}
public Vehicle( final String brand, String color) {
    //品牌初始化不能修改
    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("runing！！！！！");
}
@Override
public String toString() {
    return "Vehicle [brand=" + brand + ", color=" + color + ", speed=" + speed + "]";
}

}
package h_m5_14;
/*
 * 继承Vehicle类
 */
public class Car extends Vehicle{
private int loader;
    public Car() {
        // TODO Auto-generated constructor stub
    }

    public Car(String brand, String color,int loader) {
        super(brand, color);
        this.loader=loader;
        // TODO Auto-generated constructor stub
    }

    @Override
    public String toString() {
        return "Car [loader=" + loader + ", Brand()=" + getBrand() + ", Color()=" + getColor() + ", Speed()="
                + getSpeed() +"]";
    }

    

}
package h_m5_14;

public class VehicleTest {
/*
 * 测试类
 */
    public static void main(String[] args) {
        Vehicle v= new Vehicle("奥迪", "黑色");
        v.setSpeed(50.0);
        System.out.println(v);
        v.run();
    }

}
package h_m5_14;

public class test {
/*
 * 测试Car类
 */
    public static void main(String[] args) {
        Car c = new Car("奔驰", "黑色", 2);
        c.setSpeed(60);
        System.out.println(c);
    }

}
package h_m5_14;
/*
 * 图形类
 */
public abstract class Shape {
private int area;
private int per;
private String color;
public Shape() {
    // TODO Auto-generated constructor stub
}
public Shape(String color) {
    super();
    this.color = color;
}
public String getColor() {
    //求颜色方法
    return color;
}
/*
 * 三个抽象方法
 */
public abstract int getArea();
public abstract int getPer();
public abstract void getAll();
}
package h_m5_14;
/*
 * 矩形类
 */
public class Rectangle extends Shape{
    private int width;
    private int height;
    
    public Rectangle(String color,int width,int height) {
        
        super(color);
        this.width=width;
        this.height=height;
        // TODO Auto-generated constructor stub
    }

    @Override
    public int getArea() {
        // TODO Auto-generated method stub
        return width*height;
    }

    @Override
    public int getPer() {
        // TODO Auto-generated method stub
        return (width+height)*2;
    }

    @Override
    public void getAll() {
        // TODO Auto-generated method stub
        System.out.println(getArea()+","+getPer()+","+getColor());
    }
    

}
package h_m5_14;

public class Circle extends Shape {
    private int radius;
    public Circle() {
        // TODO Auto-generated constructor stub
    }
    
    public Circle(String color,int radius) {
        super(color);
        this.radius=radius;
        // TODO Auto-generated constructor stub
    }

    public int getArea() {
        // TODO Auto-generated method stub
        return (int)Math.PI*radius*radius;
    }

    @Override
    public int getPer() {
        // TODO Auto-generated method stub
        return (int)Math.PI*radius*2;
    }

    @Override
    public void getAll() {
            System.out.println(getArea()+","+getPer()+","+getColor());
    }
    

}
package h_m5_14;

public class ShapeTest {

    public static void main(String[] args) {
        Rectangle re = new Rectangle("黑色", 20, 30);
        re.getAll();
        Circle c= new Circle("红色", 5);
        c.getAll();
    }

}