第八周上机

public class fff

public class Rectangle {
    int length;
    int width;

    public void getPer() {
        System.out.println("矩形的周长=" + (length + width) * 2);
    }

    public void getArea() {
        System.out.println("矩形的面积=" + length * width);
    }

    public void showAll() {
        System.out.println("长=" + length);
        System.out.println("宽=" + width);
        getArea();
        getPer();
    }

}



package sdd;

import java.util.Scanner;

public class Tese {

    public static void main(String[] args) {
        // TODO Auto-generated method stub

        Rectangle a = new Rectangle();
        Scanner input = new Scanner(System.in);
        System.out.print("请输入长：");
        a.length = input.nextInt();
        System.out.print("请输入宽：");
        a.width = input.nextInt();
        a.showAll();

    }

}

package Test;

public class Bijiben {
    char yanse;
    int cpu;

    public void Showyanse() {
        System.out.println("笔记本颜色为：" + yanse+"色");
    }

    public void Showcpu() {
        System.out.print("cpu型号是：" + cpu);
    }
}



package Test;

public class sed {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Bijiben a = new Bijiben();
        a.yanse = '白';
        a.cpu = 2020;
        a.Showyanse();
        a.Showcpu();
    }

}

复制代码
package Test;

public class Person {

    String name;
    int nianling;
    double shengao;
    int tizhong;

    public void sayHello() {
        System.out.println("Hello,my name is " + name);
        System.out.println(name + '、' + shengao + '、' + nianling + "岁");

    }

}


package Test;

public class Constructor {

    public static void main(String[] args) {
        // TODO Auto-generated method stub

        Person a = new Person();
        a.name = "zhangsan";
        a.shengao = 1.73;
        a.nianling = 33;
        a.sayHello();
        Person b = new Person();
        b.name = "lishi";
        b.shengao = 1.74;
        b.nianling = 44;
        b.sayHello();
    }

}

 

{
    int x;
    int y;

    Point() {

        System.out.println(x);
        System.out.println(y);
        System.out.println("调用后:");
    }

    Point(int x0, int y) {
        x = x;
        y = y;
        System.out.println(x);
        System.out.println(y);
    }

    void movePoint(int dx, int dy) {

        dx = x + 100;
        dy = y + 100;
        System.out.println("p1的坐标为" + dx + "\n" + "p2的坐标为" + dy);

    }

}


package bbt;

public class bbt {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Point p=new Point();
           p.x=100;
           p.y=200;
          p.movePoint(p.x,p.y);
    }