Java第十二周作业

public class Point {

    int x;
    int y;
    public Point(){
        
    }
    public Point(int x0,int y0){
        this.x=x0;
        this.y=y0;
    }
    public void movePoint(int dx,int dy){
        x=x+dx;
        y=y+dy;
        System.out.println("移动后坐标:"+x+","+y);
    }
    public static void main(String[] args) {
        Point p1=new Point(1,1);
        Point p2=new Point(2,2);
        p1.movePoint(1,1);
        p2.movePoint(1,1);
    }
}

package j1;

public class Rectangle {

    int length;
    int width;
    Rectangle(int length,int width){
        this.length=length;
        this.width=width;
        
    }
    void showAll(){
        System.out.println("长是"+length+"宽是"+width);
    }
    void getPer(){
        System.out.println("周长"+2*(length+width));
    }
    void getArea(){
        System.out.println("面积"+length*width);
    }
    public static void main(String[] args) {
        Rectangle A=new Rectangle(3,4);
        A.getArea();
        A.getPer();
        A.showAll();
    }
}

public class nextbook {

    char color;
    int cpu;
    public void show(){
        System.out.println("颜色:"+color+"  型号:"+cpu);
    }
    public  int cpu(){
        return cpu;
    }
    public  char color(){
        return color;
    }
}
public class test1 {

    public static void main(String[] args) {

        nextbook A=new nextbook();
        A.color='蓝';
        A.cpu=2;
        A.show();
    }
}

   

posted @ 2021-05-25 19:23  曹新  阅读(87)  评论(0)    收藏  举报