实验报告2

题一

package test2;

public class Rectangle {
    private double width,height;
    private String color;
    public Rectangle(double width,double height,String color){
        this.setWidth(width);
        this.setHeight(height);
        this.setColor(color);
    }

    public double getWidth(){
        return width;
    }
    public void setWidth(double w){
        width = w;
    }
    public double getHeight(){
        return height;
    }
    public void setHeight(double h){
        height = h;
    }
    public String getColor(){
        return color;
    }
    public void setColor(String c){
        color = c;
    }       
    public void getArea(){
        double area=0;
        area=this.height*this.width;
        System.out.println(area);
        }
        public void getLength(){
        double length;
        length=width+height+width+height;
         System.out.println(length);
         }
}
package test2;

   public class demo{
  public static void main (String args[]){
     Rectangle rec=new Rectangle(12.00,14.00,"红色");
     rec.getArea();
     rec.getLength();
     rec.getColor();
     System.out.println(rec.toString());
}
}

实验二

package test1;

import java.util.Scanner;

import test1.Account;
public class Account {
    public int id;
    public int password;
    public String name;
    public int money;
    
                 public Account(int id,int password,String name,int money) {
        this.id = id;
        this.password = password;
        this.name = name;
        this.money = money;
    }
    public void show(){
        System.out.println("账户：" + id);
        System.out.println("姓名：" + name);
        System.out.println("余额：" + money);
    }
    public void takeMoney(){
        while(true){
            Scanner sc = new Scanner(System.in);
            System.out.println("输入密码");
            int pass = sc.nextInt();
            if(pass == password){
                System.out.println("取款金额：");
                int withdrawals = sc.nextInt();
                if(withdrawals <= money) {
                    money= money-withdrawals;
                    System.out.println("余额为：" + money);
                }
                                                                else {
                    System.out.println("当前余额不足" );
                }
                break;
            }
                                                else{
                System.out.println("密码错误，请重新输入！");
            }
        }
    }
    
    public void saveMoney(int moneys){    
        money = money+moneys;
        System.out.println("此次存款为:" + moneys);
        System.out.println("账户余额为：" + money);
    }
    
    public static void main(String[] args) {
        Account acc = new Account(10010,123456,"陈果",0);
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入需要执行的操作");
        System.out.println("1银行账户信息");
        System.out.println("2取款操作");
        System.out.println("3存款操作");
        System.out.println("4退出系统");
        int s = sc.nextInt();
            switch(s) {
            case 1:
                System.out.println("银行账户");
                acc.show();
                break;
            case 2:
                System.out.println("取款");
                acc.takeMoney();
                break;
            case 3:
                System.out.println("存款");
                acc.saveMoney(1000);
                break;
            case 4:
                System.exit(0);
                break;
            }
    }
 
}