java家庭收支记账软件

public class FamilyAccount { public static void main(String[] args) { boolean isFlag=true; String details="收支\t账户金额\t收支金额\t说 明\n"; //初始金额 int balance=10000; while(isFlag){ System.out.println("-----------------家庭收支记账软件-----------------"); System.out.println(" 1 收支明细"); System.out.println(" 2 登记收入"); System.out.println(" 3 登记支出"); System.out.println(" 4 退 出\n"); System.out.println(" 请选择(1-4)："); //获取用户的选择 char selection= Tool.readMenuSelector(); switch(selection){ case '1': System.out.println("-----------------当前收支明细记录-----------------"); System.out.println(details); System.out.println("--------------------------------------------------"); break; case '2': System.out.print("本次收入金额："); int money1=Tool.readNumber(); System.out.print("本次收入说明："); String info1=Tool.readString(); balance=balance+money1; details+="收入\t"+balance+"\t\t"+money1+"\t\t\t"+info1+"\n"; System.out.println("---------------------登记完成---------------------"); break; case '3': System.out.print("本次支出金额："); int money2 = Tool.readNumber(); System.out.print("本次支出说明："); String info2 = Tool.readString(); if(money2<=balance) { balance -= money2; details += "支出\t" + balance + "\t\t" + money2 + "\t\t\t" + info2 + "\n"; } else System.out.println("支出超出账户额度！支付失败"); System.out.println("---------------------登记完成---------------------"); break; case '4': System.out.print("确认是否退出！Y/N"); char isExit= Tool.readConfirmSelection(); if(isExit=='Y') { isFlag=false; } break; } } } }