第十四周作业

Posted 2021-06-12 计算机1902佟阳

 

 

package homework_Package;

public class Vehicle {
    protected String m_Brand;
    protected String m_Color;
    protected double m_Speed;
    public Vehicle(){}
    public Vehicle(String brand,String color,double speed){
        m_Brand=brand;
        m_Color=color;
        m_Speed=speed=0.0;
    }
    public String getM_Brand(){
        return m_Brand;
    }
    public void setM_Brand(String sbrand){
        m_Brand=sbrand;
    }
    public String getM_Color(){
        return m_Color;
    }
    public void setM_Color(String scolor){
        m_Color=scolor;
    }
    public double getM_Speed(){
        return m_Speed;
    }
    public void setM_Speed(double sspeed){
        m_Speed=sspeed;
    }
    public void run(){
        System.out.println(m_Brand+"品牌,"+m_Color+"颜色"+"速度："+m_Speed);
    }
}

package homework_Package;

public class Car extends Vehicle {
    private int m_Iader;
    public Car(){}
    public Car(String brand,String color,double speed,int iader){
        m_Brand=brand;
        m_Color=color;
        m_Speed=speed;
        m_Iader=iader;
    }
    public int getm_Iader(){
        return m_Iader;
    }
    public void setm_Iader(int siader){
        m_Iader=siader;
    }
    public void run(){
        System.out.println("一台"+m_Brand+"品牌,"+m_Color+"颜色,"+m_Iader+"核载人数的汽车,在以"+m_Speed+"m/s的速度行驶");
    }
}

package homework_Package;

public class home_Main {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Car c1=new Car("Hnda","red",300,2);
        c1.run();
        Vehicle v1=new Vehicle("benz","black",100);
        v1.run();
    }

}

 

 

 

package protected_Graph_Homework;

   public abstract class Shape {
    protected double m_Area;
    protected double m_Per;
    protected String m_Clr;
    public Shape(){}
    public Shape(String clr){
        m_Clr=clr;
    }
    public abstract double getM_Area();
    public abstract double getM_Per();
    public abstract String getM_Clr();
    public abstract void showAll();
}

package protected_Graph_Homework;

public class Rectangle extends Shape {
    private double m_Width;
    private double m_Height;
    public Rectangle(){}
    public Rectangle(double height,double width,String clr){
        m_Height=height;
        m_Width=width;
        m_Clr=clr;
    }
    public double getM_Area(){
        return m_Area=m_Height*m_Width;
    }
    public double getM_Per(){
        return m_Per=(m_Height+m_Width)*2;
    }
    public String getM_Clr(){
        return m_Clr;
    }
    public void showAll(){
        System.out.println("一个颜色为"+m_Clr+"，长度为"+m_Height+"，宽度为"+m_Width+"，面积为"+getM_Area()+"，周长为"+getM_Per()+"的矩形");
    }
}

package protected_Graph_Homework;

public class Circle extends Shape{
    private double m_Radius;
    public Circle(){}
    public Circle(double radius,String clr){
        m_Radius=radius;
        m_Clr=clr;
    }
    public double getM_Area(){
        return m_Area=3.14*(m_Radius*m_Radius);
    }
    public double getM_Per(){
        return m_Per=2.0*3.14*m_Radius;
    }
    public String getM_Clr(){
        return m_Clr;
    }
    public void showAll(){
        System.out.println("一个颜色为"+m_Clr+"，半径为"+m_Radius+"，面积为"+getM_Area()+"，周长为"+getM_Per()+"的圆形");
    }
}

package protected_Graph_Homework;

public class shape_Main {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Rectangle r1=new Rectangle(2.0,3.0,"红色");
        r1.showAll();
        Circle c1=new Circle(2.0,"黑色");
        c1.showAll();
    }

}