java IO流 InputStream OutputStream
?字节流字符流输入流InputStreamReader输出流OutputStreamWriter

以上都为4个抽象类。

InputStream和Reader基本方法有Reade，一个是以字节为单位，一个以字符为单位

OutputStream和Writer基本方法有Write

?

类型字符流字节流File
FileReader
FileWriter
FileInputStream
FileOutputStream
Memory Array
CharArrayReader
CharArrayWriter
ByteArrayInputStream
ByteArrayOutputStream
Memory String
StringReader
StringWrieter
?Pipe
PipedReader
PipedWriter
PipedInputStream
PipedOutputStream
处理流类型
?
处理类型字符流字节流Burrering
BufferedReader
BufferedWriter
BufferedInputStream
BufferedOutputStream
Filtering
FilterReader
FilerWriter
FilterInputStream
FilterOutputStream
Converting between
bytes and character
InputStreamReader
OutputStreamWriter
?
Object Serialization?ObjectInputStream
ObjectOutputStream
Data conversion?
DataInputStream
DataOutputStream
?Counting?LineNumberReader?LineNumberInputStream?Peeking ahead?PusbackReader?PushbackInputStream?Printing?PrintWriter?PrintStream