PipedInputStream類close()方法 (PipedInputStream Class close() method)

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

  close()方法在java.io包中可用。

• close() method is used to close this PipedInputStream and free all system resources linked with this stream.

  close()方法用于關閉此PipedInputStream并釋放與此流鏈接的所有系統資源。

• close() 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.

  close()方法是一個非靜態方法，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。

• close() method may throw an exception at the time of closing the stream.

  close()方法在關閉流時可能會引發異常。

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

  IOException ：在執行過程中遇到任何輸入/輸出錯誤時，可能引發此異常。

Syntax:

句法：

public void close();

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 close() method // of PipedInputStreamimport java.io.*;public class CloseOfPIS {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();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 close() method is to close// the streampipe_in.close();pipe_out.close();// when we call read() after closing the stream// will result an exceptionfor (int i = 0; i < 3; ++i) {// By using read() method is to// read the integer and convert it into// charchar ch = (char) pipe_in.read();System.out.println("pipe_in.read(): " + ch);}} catch (Exception ex) {System.out.println("Stream Closed Before!!!!");}} }

Output

輸出量

Stream Closed Before!!!!

翻譯自: https://www.includehelp.com/java/pipedinputstream-close-method-with-example.aspx

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