bank.java

这是一个模拟银行界面的JAVA算法

//bank.java
import java.io.*;
import java.util.Scanner; 
class  bank1 
{    String name,number,time,CardID;
     int i;
     int left=500;
public void print1()
	{     
	 System.out.println(" ");
     System.out.println(" ");
	 System.out.println("欢迎使用银行自动存取系统");
	 System.out.println(" ");
     System.out.println("姓名:" +name); 
     System.out.println("存取时间:" +time ); 
	 System.out.println("身份证号码：" +number ); 
	 System.out.println("账户：" +CardID );
	 } 
public void print()
	{System.out.println(" ");
     System.out.println(" ");
	 System.out.println("查询余额请按1    用户存款请按2   用户取款请按3  退出请按4");
    
	
	 Scanner s = new Scanner(System.in); 
     int i = s.nextInt(); 
	 switch(i){
	 case 1:
		   System.out.println("你的余额是：" +left);
		   break ;
	 case 2:
		   System.out.println("现在你进入的是存款系统！");
           System.out.println("请输入你要存款的金额：");
		   Scanner s1 = new Scanner(System.in); 
           int moneysave = s1.nextInt(); 
		   left=left+moneysave;
		   System.out.println("你现在的存款是:" +left);
		    break ;
	 case 3:	
		    System.out.println("现在你进入的是取款系统！");
		    System.out.println("请输入你要取款的金额：");
	        Scanner s2= new Scanner(System.in); 
            int moneytake = s2.nextInt(); 
			if(moneytake<left)
		    {
			left=left-moneytake;
			System.out.println("你的余额是：" +left);
			}
			else
			     System.out.println("你的余额不足");
			break ;
     case 4 :System.exit(1);
	         break;
	 default:
	        System.out.println("wrong");
	        break; 
			  }
		  }
}	
	
	
class bank
	{
	    public static void main(String[] args) 
	         {
		     bank1 s1=new bank1();
		     s1.name="wuzhijiang";
	         s1.number="4420001865235";
	         s1.time="10月12日";
	         s1.CardID="AP0506423";
			 s1.print1();
			 s1.print();
	         
			 boolean flag;
			 flag=true;
		
			 while(flag)
				 {
				s1.print();
			 }
		}
     }