java—模拟银行账户业务—类的带参方法

一.代码：

package com.bank;
import java.util.Scanner;
public class Account {
	double money=0;
	Scanner input = new Scanner(System.in);
	double addmoney(double m){
		money+=m;
		System.out.println("存款成功");
		System.out.println("\n*****当前金额为:"+money+"*****\n\n");
		return money;
	}
	double reducemoney(double m){	
		money-=m;
		System.out.println("取款成功");
		System.out.println("\n*****当前金额为:"+money+"*****");
		return money;
	}
	
	public static void main(String[] args) {
		Account a=new Account();
		int c=0,x=1,y=2;
		Scanner input = new Scanner(System.in);
		System.out.println("1.存款\t2.取款\t0.退出");
		System.out.print("请选择您需要办理的业务:");
		int b=input.nextInt();
		switch(b){
			case 1:do{
				System.out.print("请输入存款金额:");
				int m1=input.nextInt();
			    double d1=a.addmoney(m1);
				System.out.println("1.存款\t2.取款\t0.退出");
			    System.out.print("请选择您需要办理的业务:");
				x=input.nextInt();
			}while(x!=2);		
			case 2:do{
				System.out.print("请输入取款金额: