Java FileOutputStream close（）方法与示例

FileOutputStream类close()方法 (FileOutputStream 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 FileOutputStream and free all system resources linked with this stream.

  close()方法用于关闭此FileOutputStream并释放与此流链接的所有系统资源。

• 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 does not throw an exception at the time of closing the stream.

  close()方法在关闭流时不会引发异常。

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 the method is void, it returns nothing.

该方法的返回类型为void ，不返回任何内容。

Example:

例：

// Java program to demonstrate the example 
// of void close() method of FileOutputStream

import java.io.*;

public class CloseOfFOS {
 public static void main(String[] args) throws Exception {
  FileOutputStream fos_stm = null;

  try {
   // Instantiates FileOutputStream
   fos_stm = new FileOutputStream("D:\\includehelp.txt");

   // By using close() method is to close
   // close the stream     
   fos_stm.close();

   // when we call write() method after
   // closing the stream will result an exception
   fos_stm.write(100);
   fos_stm.flush();
   fos_stm.close();
  } catch (Exception ex) {
   System.out.println("Stream Closed Before...!!!!");
  } finally {
   // with the help of this block is to
   // free all necessary resources linked
   // with the stream
   if (fos_stm != null) {
    fos_stm.close();
   }
  }
 }
}

Output

输出量

Stream Closed Before...!!!!

翻译自: https://www.includehelp.com/java/fileoutputstream-close-method-with-example.aspx