输入流:InputStream 输出流:OutputStream 字节输入流:FileInputStream 字节输出流:FileOutoutStream 字节输入流缓冲区:BufferedInputStream 字节输出流缓冲区: BufferedOutputStream 字符输入流:InputStreamReader 字符输出流:OutputStreamWriter 转换流:FileReader FileWriter 字符输入流缓冲区:BufferedReader 字符输出流缓冲区:BufferedWriter |