RandomAccessFile類close()方法 (RandomAccessFile 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 RandomAccessFile stream and free all other system resources linked with this stream.

  close()方法用于關閉此RandomAccessFile流并釋放與此流鏈接的所有其他系統資源。

• 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 the closing stream.

  close()方法在關閉流時可能會引發異常。

  IOException: This exception may throw while performing input/output operation.

  IOException ：在執行輸入/輸出操作時，可能會拋出此異常。

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 this method is void, it returns nothing.

此方法的返回類型為void ，不返回任何內容。

Example:

例：

// Java program to demonstrate the example // of void close() method of RandomAccessFileimport java.io.*; class RAFClose {public static void main(String[] args) throws Exception {String str = "Welcome, in Java World!!!";// Instantiate a random access file// object with file name and permissionsRandomAccessFile ra_f = new RandomAccessFile("e:/includehelp.txt", "rw");// By using writeUTF() method is to // write a string value to the file by using// UTF encoding schemera_f.writeUTF(str);// by using seek() method is to // set the current file indicator// from where read/write could // start i.e. we set here 0 so reading// will be done from 0 till EOFra_f.seek(0);System.out.println("ra_f.readUTF(): " + ra_f.readUTF());// By using close() method isto// close this stream ran_fra_f.close();} }

Output

輸出量

ra_f.readUTF(): Welcome, in Java World!!!

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

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