RandomAccessFile类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()方法用于关闭此RandomAccessFile流并释放与此流链接的所有其他系统资源。

• 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()方法是一个非静态方法，只能通过类对象访问，如果尝试使用类名称访问该方法，则会收到错误消息。

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

  close()方法在关闭流时可能会引发异常。

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

  IOException ：在执行输入/输出操作时，可能会抛出此异常。

Syntax:

句法：

public void close();

Parameter(s):

参数：

• It does not accept any parameter.

  它不接受任何参数。

Return value:

返回值：

The return type of this method is void, it returns nothing.

此方法的返回类型为void ，不返回任何内容。

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 permissions  RandomAccessFile 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 scheme  ra_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 EOF  ra_f.seek(0);  System.out.println("ra_f.readUTF(): " + ra_f.readUTF());  // By using close() method isto  // close this stream ran_f  ra_f.close(); }}

Output

输出量

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

翻译自: