PipedOutputStream類flush()方法 (PipedOutputStream Class flush() method)

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

  flush()方法在java.io包中可用。

• flush() method is used to flush this PipedOutputStream and forces bytes to be written out of any buffered output.

  flush()方法用于刷新此PipedOutputStream并強制將字節從任何緩沖的輸出中寫出。

• flush() 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.

  flush()方法是一種非靜態方法，只能通過類對象訪問，如果嘗試使用類名稱訪問該方法，則會收到錯誤消息。

• flush() method may throw an exception at the time of flushing the stream.

  flush()方法在刷新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 flush();

Parameter(s):

參數：

• It does not accept any parameter.

  它不接受任何參數。

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 flush() method of PipedOutputStreamimport java.io.*;public class FlushOfPOS {public static void main(String[] args) throws Exception {int val = 65;try {// Instantiates PipedInputStream and // PipedOutputStreamPipedInputStream pipe_in = new PipedInputStream();PipedOutputStream pipe_out = new PipedOutputStream();// By using connect() method is to// connect this pipe_out to the given pipe_inpipe_out.connect(pipe_in);for (int i = 0; i < 3; ++i) {// By using write() method is to// write the val to the stream pipe_outpipe_out.write(val);val++;}// By using flush() method is to// flush the streampipe_out.flush();System.out.println("Stream Flushed!!!");for (int i = 1; i < 4; ++i) {// By using read() method is to read// the integer and converted into intchar ch = (char) pipe_in.read();System.out.println("pipe_in.read(): " + ch);}// By using close() method is to close// the streampipe_in.close();pipe_out.close();} catch (Exception ex) {System.out.println(ex.toString());}} }

Output

輸出量

Stream Flushed!!! pipe_in.read(): A pipe_in.read(): B pipe_in.read(): C

翻譯自: https://www.includehelp.com/java/pipedoutputstream-flush-method-with-example.aspx

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