第十次java作业

Posted 丁朝明

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public class point {
    int x;
    int y;
 
    public point(int x0, int y0) {
        super();
        this.x = x0;
        this.y = y0;
    }
 
    public point() {
        super();
    }
 
    public String movePoint(int dx, int dy) {
        x = x + dx;
        y = y + dy;
           return("x是"+x+",y是"+y)
    }
 
    public static void main(String[] args) {
        point p1 = new point(4, 5);
        point p2 = new point(6, 4);
        System.out.println(p1.movePoint(4, 5));
        System.out.println(p2.movePoint(6, 4));
    }
}

package homework1;

public class Rectangle {
    double width;
    double length;

    public Rectangle(int length, int width) {
        this.length = length;
        this.width = width;
    }

    public double getArea() {
        return width * length;
    }

    public double getPer() {
        return width + length;
    }

    public void showAll() {
        System.out.println(width);
        System.out.println(length);
        System.out.println(getArea());
        System.out.println(getPer());
    }

}
package homework1;

public class Rectangle1 {

    public static void main(String[] args) {
        Rectangle a=new Rectangle(3,4);
        a.showAll();

    }

}

package homework2;
 
public class bj {
    char coulour;
    int cpu;
    public void show(){
        System.out.println("笔记本颜色是"+coulour+"色,"+"型号是"+cpu);
    }
    public bj(char coulour,int cpu){
        super();
        this.coulour=coulour;
        this.cpu=cpu;
    }
    public  bj(){
        super();
    }
     
     
     
     
    public static void main(String[] args) {
        // TODO Auto-generated method stub
         bj c=new bj();
            c.coulour=\'黑\';
            c.cpu=1;
            c.show();
            bj c1=new bj(\'白\',2);
            c1.show();
 
    }
 
}

 

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