| java输入/输出流体系中常用的流分类 | ||||
| 分类 | 字节输入流 | 字节输出流 | 字符输入流 | 字符输出流 |
| 抽象基类 | InputStream | OutputStream | Reader | Writer |
| 访问文件 | FileInputStream | FileOutputStream | FileReader | FileWriter |
| 访问数组 | ByteArrayInputStream | ByteArrayOutputStream | CharArrayReader | CharArrayWriter |
| 访问管道 | PipedInputStream | PipedOutputStream | PipedReader | PipedWriter |
| 访问字符串 | StringReader | StringWriter | ||
| 缓冲流 | BufferedInputStream | BufferedOutputStream | BufferedReader | BufferedWriter |
| 转换流 | InputSteamReader | OutputStreamWriter | ||
| 对象流 | ObjectInputStream | ObjectOutputStream | ||
| 抽象基类 | FilterInputStream | FilterOutputStream | FilterReader | FilterWriter |
| 打印流 | PrintStream | PrintWriter | ||
| 推回输入流 | PushbackInputStream | PushbackReader | ||
| 特殊流 | DataInputStream | DataOutputStream | ||
| 注:粗体字标出的类代表节点流,必须直接与指定的物理节点关联;斜体字标出的类代表抽象基类,无法直接创建实例 | ||||