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Stream(一般指數據傳輸的通道)

• 文件操作
• 網絡傳輸
• 網頁加載
• 標準IO
• 內存讀寫

InputStream

FileInputStream(文件)

ByteArrayInputStream(內存)

StringBufferInputStream

PipedInputStream(管道)

ObjectInputStream(對象)

SequenceInputStream(序列)

AudioInputStream(聲音)

OutputStream

FileOutputStream

ByteArrayOutputStream

PipedOutputStream

ObjectOutputStream

Socket

/* Initialization */
//InputStreamReader(Change Byte-oriented to Character-oriented)
BufferedReader read = new BufferedReader(new InputStreamReader(socket.getInputStream))
PrintWriter write = new PrintWriter(socket.getOutputStream)

/* Operation */
read.readLine();
write.println("something");
write.flush();

File

BufferedReader read = new BufferedReader(new FileReader(String path));
PrintWriter write = new PrintWriter(new BufferedWriter(new FileWriter(String path)));

Standard IO

BufferedReader read = new BufferedReader(new InputStreamReader(System.in));
PrintWriter write = new PrintWriter(System.out, true);