(1)字节流InputStream/OutputStream: FileInputstream/FileOutputStream: 文件字节流,用于文件的读写操作;
BufferedFileInputstream/ BufferedFileOutputStream: 加缓冲区的字节流,用于提高效率;
(2)字符流Reader/Writer:
FileReader/FileWrite: 文件字符流,用于文件文本的读写操作;
BufferedReader/ BufferedWrite: 加缓冲区字符流,用于提高效率;
(3)转换流InputStreamReader/OutputStreamWriter: 是字节流和字符流之间的桥梁;
(4)配置文件:Properties。
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