printstream

PrintStream類clearError()方法 (PrintStream Class clearError() method)

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

  clearError()方法在java.io包中可用。

• clearError() method is used to clear the internal error state of this PrintStream.

  clearError()方法用于清除此PrintStream的內(nèi)部錯(cuò)誤狀態(tài)。

• clearError() 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.

  clearError()方法是一種非靜態(tài)方法，只能通過(guò)類對(duì)象訪問(wèn)，如果嘗試使用類名稱訪問(wèn)該方法，則會(huì)收到錯(cuò)誤消息。

• clearError() method does not throw an exception at the time of clearing error state.

  clearError()方法在清除錯(cuò)誤狀態(tài)時(shí)不會(huì)引發(fā)異常。

Syntax:

句法：

protected void clearError();

Parameter(s):

參數(shù)：

• It does not accept any parameter.

  它不接受任何參數(shù)。

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(nèi)容。

Example:

例：

// Java program to demonstrate the example // of void clearError() method of // PrintStreamimport java.io.*;public class ClearErrorOfPS extends PrintStream {public ClearErrorOfPS(OutputStream os) {super(os);}public static void main(String[] args) {String str = "Java Programming";// Instantiates ClearErrorOfPSClearErrorOfPS p_stm = new ClearErrorOfPS(System.out);// Display strp_stm.println("str: " + str);// By using flush() method is to// flush the stream immediatelyp_stm.flush();System.out.println("Stream Flushed...");// By using clearError() method is used to// clear errors if exists in this streamp_stm.clearError();// By using close() method is to // close the stream p_stmSystem.out.println("Stream Shutdown....");p_stm.close();} }

Output

輸出量

str: Java Programming Stream Flushed... Stream Shutdown....

翻譯自: https://www.includehelp.com/java/printstream-clearerror-method-with-example.aspx

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