类的封装

import Java. u till. scanner;

public class Account{

public int id;

public String name;

public int password;

public int money;

public Account(int id,String name,int password,int money){

this. id=id;

this. name=name;

this. password=password;

this. money=money;

}

pubilc void Display(){

System. out. printIn("账户："+id);

System. out. printIn("姓名："+name);

System. out. printIn("余额："+money);

}

public void takeMoney(){

while(true){

Scanner sc=new Scanner(System.in);

System. out. printIn("请输入密码进行验证");

int pass=sc.nextInt();

if(pass==password){

System. out. printIn("请输入需要取款的金额：");

int withdrawals=sc.nexInt();

if(withdrawals<=money){

money=money-withdrawals;

System. out. printIn("账户余额:"+money);

}

else{

System. out. printIn("当前余额不足");

}

break;

}else{

System. out. printIn("你输入的密码有误，请重新输入");

}

sc. close();

}

}

public void saveMoney(inmoney){

money=money+inmoney;

System. out. printIn("此次存款为："+inmoney);

System. out. printIn("账户余额："+money);

}

public static void main(String[]args){

Account acc=new Account(10000,"lxf",123456,100000);

acc. id=10000;

acc. name="lxf";

acc. money=100000;

Scanner sc=new Scanner(System.in);

while(true){

System. out. printIn("欢迎进入银行账户操作系统");

System. out. printIn("1银行账户信息");

System. out. printIn("2取款操作");

System. out. printIn("3存款操作");

System. out. printIn("4退出系统");

int choice=sc.nexInt();

switch(choice){

case 1:

System. out. printIn("银行账户信息");

acc. Display();

break;

case 2:

System. out. printIn("取款操作");

acc. takeMoney();

break;

case 3:

System. out. printIn("存款操作");

acc. saveMoney(1000);

break;

case 4:

System. exit(0);

break;

default:

System. out. printIn("你的选择有误");

break;

}

}

}

}

心得：

对类的封装还不太熟，在同学的帮助下完成。

自己对java还不太了解，各方面都被不太懂，应该加强学习，多上机联系，争取多懂一点。