如何设计一类具有打印，扫描，传真功能的打印机 [英] How to design a class of Printer with facilities to print, scan, fax

问题描述

我需要设计一个班级，其设施可以打印，扫描和传真：

它应该有处理启动，停止和暂停也计算每个打印计数，扫描计数和传真计数。



打印扫描传真

===== ===== =====

| | | | | | - > start（）

| | | | | | - >停止（）

===== ===== =====

| - > count（）

| - > clear（）



提前感谢

Hi,

I need to design a class with facilities of which can either print, scan and fax:
It should have handle to start, stop and pause also count each printed count, scanned count and fax count.

Print Scan Fax
===== ===== =====
| | | | | |->start()
| | | | | |->stop()
===== ===== =====
|--> count()
|--> clear()

thanks in advance

推荐答案

你需要了解统一建模语言。理解之后，您可以考虑一些工具。



你完成了：-O

You need to learn about Unified Modeling Language. After understanding it, you can consider some tools.

And you are done :-O

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