一个菜鸡版记账系统。package 简单家庭记账软件;import java.util.Scanner;class Menu{ void zhumenu(){ System.out.println( "*********菜鸡版家庭记账收支软件********* " +"\n"+" 1.收支明细" +"\n"+" 2.登记收入" +"\n"+" 3.登记支出" +"\n"+" 4.退出");}}public class Family { public static void main(String[] args) { int a=10000; int b = 0; int c=0; String d="0"; String f="0"; Scanner q = new Scanner(System.in); Scanner scanner =new Scanner (System.in); Menu menu = new Menu(); menu.zhumenu(); boolean v=true; while(v) { System.out.println("请输入您的菜单编号:"); int input = scanner.nextInt(); if(input>4||input<1) System.out.println("抱歉！没有该功能。"); switch(input) { case 1: System.out.println("账户余额"+"\t"+"收入"+"\t"+"支出"+"\t"+"收入说明"+" 支出说明"); System.out.println(a+"\t"+b+"\t"+c+"\t"+d+"\t"+f); break; case 2: System.out.println("请输入收入金额:"); int w = q.nextInt(); System.out.println("请输入收入说明:"); String e = q.next(); System.out.println("本次的收入金额:"+w); System.out.p