字节流
InputStream
FileInputStream
-
FilterInputStream
BufferedInputStream
DataInputStream
PushbackInputStream
ObjectInputStream
PipedInputStream
ByteArrayInputStream
StringBufferInputStream
SequenceInputStream
OutputStream
FileOutputStream
-
FilterOutputStream
BufferedOutputStream
DataOutputStream
PrintStream
ObjectOutputStream
PipedOutputStream
ByteArrayOutputStream
字符流
Reader
BufferedReader
-
InputStreamReader
FileReader
StringReader
PipedReader
ByteArrayReader
-
FilterReader
PushbackReader
Writer
BufferedWriter
-
OutputStreamWriter
FileWriter
PrinterWriter
StringWriter
PipedWriter
CharArrayWriter
FilterWriter
