用Java讀取純文本文件 - Reading a plain text file in Java

問題：

It seems there are different ways to read and write data of files in Java. 彷佛有多種方法能夠用Java讀寫文件數據。

I want to read ASCII data from a file. 我想從文件中讀取ASCII數據。 What are the possible ways and their differences? 有哪些可能的方法及其區別？

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解決方案：

參考一： https://stackoom.com/question/Jmyd/用Java讀取純文本文件
參考二： https://oldbug.net/q/Jmyd/Reading-a-plain-text-file-in-Java