设计一个家庭记账管理系统（java）
package day3;import java.util.Scanner;public class demo3 { public static void main(String[] args) { int money = 10000; String s = ""; while (true) { 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 "); System.out.println("请选择(1-4):"); Scanner m = new Scanner(System.in); e:while (true) { int a = m.nextInt(); switch (a) {case 1: System.out.println("收支明细"); System.out.println(s); break;case 2: System.out.println("登记收入"); int income = m.nextInt(); System.out.println("本次收入金额：" + income); System.out.println("本次收入说明： 工资"); money += income; s += "收入: " + income + "工资" + " 现总金额： " + money + "\n"; break;case 3: System.out.println("登记支出"); int input = m.nextInt(); System.out.println("本次支出金额：" + input); System.out.println("本次支出说明： 物业费"); money -= input; s += "支出: " + input + "物业费" + " 现总金额： " + money; break;case 4: System.out.println("退出"); break e;default: System.out.println("输入的选项错误，请重新输入！"); } } } }}
