BookOfMoney

1

enterFunction()

2

Initialize scanner and account list

showAccount()

addAccount()

quit()

FileOperator

- filePath

+ void readAccountsFromFile(List<Account> accounts)+ void writeAccountToFile(Account> accounts)

FileOperator::readAccountsFromFile()

3

Account

- flag: boolean- category: String- amount- description:String 

+ Account()+ Account(List<Accounts> accounts)+ boolean getFlag()+ String getCategory()+ String getDiscription()+ int getAmount()+ void setFlag(int flag)+ void setCategory(String category)+ void setDescription(String description)+ void setAmount(int amount)+ String toString()

End

Start

showStartMenu()

BookOfMoney

- accounts: LinkedList<Account>- scanner: Scanner

+ int showStartMenu(Scanner scspan style=\"font-size: inherit;\

1. 多个文件不要忘了在文件开头加package(package com.company;)2. 嫌麻烦直接导java.util.*，java.io.IOException3....