pipedreader

PipedReader類的connect()方法 (PipedReader Class connect() method)

• connect() method is available in java.io package.

  connect()方法在java.io包中可用。

• connect() method is used to cause this PipedReader to be connected to the given PipedWriter (source) when this PipedReader is not previously connected to any of the other PipedWriter.

  當此PipedReader先前未連接到任何其他PipedWriter時，使用connect()方法使此PipedReader連接到給定的PipedWriter(源)。

• connect() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.

  connect()方法是一種非靜態方法，僅可通過類對象訪問，如果嘗試使用類名訪問該方法，則會收到錯誤消息。

• connect() method may throw an exception at the time of connecting the stream.

  connect()方法在連接流時可能會引發異常。

  IOException: This exception may throw when getting any input/output error.

  IOException ：遇到任何輸入/輸出錯誤時，可能引發此異常。

Syntax:

句法：

public void connect(PipedWriter source);

Parameter(s):

參數：

• PipedWriter source – represents the piped writer to connect to this PipedReader.

  PipedWriter源 –表示連接到此PipedReader的管道編寫器。

Return value:

返回值：

The return type of the method is void, it returns nothing.

該方法的返回類型為void ，不返回任何內容。

Example:

例：

// Java program to demonstrate the example // of void connect(PipedWriter source) method of // PipedReaderimport java.io.*;public class ConnectOfPR {public static void main(String[] args) throws Exception {int val = 65;try {// Instantiates PipedReader and PipedWriterPipedWriter pipe_w = new PipedWriter();PipedReader pipe_r = new PipedReader();// By using connect() method is to connect// this pipe_r to the given pipe_wpipe_r.connect(pipe_w);for (int i = 0; i < 3; ++i) {// By using write() method is to// write the val to the stream pipe_wpipe_w.write(val);val++;}for (int i = 0; i < 3; ++i) {// By using read() method is to// read the integer and convert it into// charchar ch = (char) pipe_r.read();System.out.println("pipe_r.read(): " + ch);}// By using close() method is to close// the streampipe_w.close();pipe_w.close();} catch (Exception ex) {System.out.println(ex.toString());}} }

Output

輸出量

pipe_r.read(): A pipe_r.read(): B pipe_r.read(): C

翻譯自: https://www.includehelp.com/java/pipedreader-connect-method-with-example.aspx

pipedreader

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