RandomAccessFile類writeShort()方法 (RandomAccessFile Class writeShort() method)

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

  writeShort()方法在java.io包中可用。

• writeShort() method is used to write the short value to the file as 2 bytes directly without any conversion.

  writeShort()方法用于直接將short值作為2個字節寫入文件，而無需進行任何轉換。

• writeShort() 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.

  writeShort()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。

• writeShort() method may throw an exception at the time of writing short value.

  writeShort()方法在寫入short值時可能會引發異常。

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

  IOException ：在執行輸入/輸出操作時，此異常可能會引發異常。

Syntax:

句法：

public final void writeShort(int val);

Parameter(s):

參數：

• int val – represents an integer value to write.

  int val –表示要寫入的整數值。

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 writeShort(int val)a method of // RandomAccessFileimport java.io.*; class RAFWriteShort {public static void main(String[] args) throws Exception {short sh = 12478;// Instantiate a random access file// object with file name and permissionsRandomAccessFile ra_f = new RandomAccessFile("e:/includehelp.txt", "rw");// By using writeShort() method is to // write a short value to the filera_f.writeShort(sh);// 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);// By using readShort() method is to // read a short value from this fileSystem.out.print("ra_f.readShort(): " + ra_f.readShort());// By using close() method isto// close this stream ran_fra_f.close();} }

Output

輸出量

ra_f.readShort(): 12478

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

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