第十二周作业

Posted 武銘健

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1.

package School.Day11;
 
public class Point {
    int x;
    int y;
 
    public Point(){
 
    }
 
    public  Point(int x,int y){
        this.x = x;
        this.y = y;
    }
 
    public void movePoint(int x,int y){
        this.x = x;
        this.y = y;
    }
}
package School.Day11;
 
public class PointTest {
    public static void main(String[] args){
        Point p1 = new Point(5,5);
        Point p2 = new Point(10,10);
        p1.movePoint(10,10);
        p2.movePoint(5,5);
        System.out.println("p1的坐标是: (" + p1.x + "," + p1.y + ")");
        System.out.println("p2的坐标是: (" + p2.x + "," + p2.y + ")");
    }
}

 

 

2.

package School.Day11;

 
public class Rectangle {
    int length;
    int width;
 
    public Rectangle(){
 
    }
 
    public Rectangle(int length,int width){
        this.length = length;
        this.width = width;
    }
 
    public void showAll(){
        System.out.println("长是: " + this.length);
        System.out.println("宽是: " + this.width);
        System.out.println("面积是: " + this.length * this.width);
        System.out.println("周长是: " + (this.length + this.width) * 2);
    }
}
package School.Day11;
 
public class RectangleTest {
    public static void main(String[] args) {
        Rectangle r = new Rectangle(10,5);
        r.showAll();
    }
}

package School.Day11;
 
public class Computer {
    char color;
    int cpu;
 
    public Computer() {
    }
 
    public Computer(char color, int cpu) {
        this.color = color;
        this.cpu = cpu;
    }
 
    public void showAll(){
        System.out.println("颜色: " + this.color);
        System.out.println("型号: " + this.cpu);
    }
}
package School.Day11;
 
public class ComputerTest {
    public static void main(String[] args) {
        Computer c = new Computer(\'黑\',9700);
        c.showAll();
    }
}

 

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