Java RandomAccessFile close()方法与示例
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
總結
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