Java中FileReader和FileInputStream的区别是什么？

Question

我知道FileReader和FileInputStream都用于从Java文件中读取数据。但不知道它们之间的区别和哪一个在哪种情况下合适？我上网了，但没有找到满意的答案

Answer 1

从oracle文档：

A FileInputStream obtains input bytes from a file in a file system. What files are available depends on the host environment. FileInputStream is meant for reading streams of raw bytes such as image data. For reading streams of characters, consider using FileReader.