ObjectInputStream類close()方法 (ObjectInputStream 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 ObjectInputStream and free any system resources linked with this stream.

  close()方法用于關閉此ObjectInputStream并釋放與此流鏈接的所有系統資源。

• 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 closing the stream.

  close()方法在關閉流時可能會引發異常。

  IOException: This exception may throw when getting any input/output error while performing.

  IOException ：在執行過程中遇到任何輸入/輸出錯誤時，可能引發此異常。

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 the method is void, it returns nothing.

該方法的返回類型為void ，不返回任何內容。

Example:

例：

// Java program to demonstrate the example // of void close() method // of ObjectInputStreamimport java.io.*;public class CloseOfOIS {public static void main(String[] args) throws Exception {// Instantiates ObjectOutputStream , ObjectInputStream // FileInputStream and FileOutputStreamFileOutputStream file_out_stm = new FileOutputStream("D:\\includehelp.txt");ObjectOutputStream obj_out_stm = new ObjectOutputStream(file_out_stm);FileInputStream file_in_stm = new FileInputStream("D:\\includehelp.txt");ObjectInputStream obj_in_stm = new ObjectInputStream(file_in_stm);// By using writeUTF() method is to write// string to the obj_out_stm streamobj_out_stm.writeUTF("JAVA PROGRAMMING!!");obj_out_stm.flush();obj_in_stm.skipBytes(2);for (int i = 0; i < obj_in_stm.available(); i++) {char ch = (char) obj_in_stm.readByte();System.out.println("ch: " + ch + " ");}// By using close() method is to // close all the streams System.out.println("close() executed: ");file_in_stm.close();file_out_stm.close();obj_in_stm.close();obj_out_stm.close();} }

Output

輸出量

ch: J ch: A ch: V ch: A ch: ch: P ch: R ch: O ch: G close() executed:

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

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