ObjectStreamClass類getSerialVersionUID()方法 (ObjectStreamClass Class getSerialVersionUID() method)

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

  getSerialVersionUID()方法在java.io包中可用。

• getSerialVersionUID() method is used to get the serial version UID for this ObjectStreamClass class and the uid defines a set of classes with the same name that has evolved from a common root class and satisfies to be serialized and deserialized during a common format.

  getSerialVersionUID()方法用于獲取此ObjectStreamClass類的串行版本UID，并且uid定義了一組具有相同名稱的類，該類的名稱從公共根類演化而來，并滿足在通用格式下進行序列化和反序列化的要求。

• getSerialVersionUID() 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.

  getSerialVersionUID()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。

• getSerialVersionUID() method does not throw an exception at the time of returning serial version UID.

  返回串行版本UID時， getSerialVersionUID()方法不會引發異常。

Syntax:

句法：

public long getSerialVersion();

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 long, it returns the serial version UID of the class defined by this descriptor.

方法的返回類型為long ，它返回此描述符定義的類的序列號UID。

Example:

例：

// Java program to demonstrate the example // of long getSerialVersion() method of // ObjectStreamClassimport java.io.*; import java.util.*;public class GetSerialVersionUID {public static void main(String[] args) {// Instantiates ObjectStreamClass for // and CalendarObjectStreamClass o_stm = ObjectStreamClass.lookup(Calendar.class);// By using getSerialVersionUID() method is to return// the serial version uid of this classlong svuid = o_stm.getSerialVersionUID();// Display svuidSystem.out.println("o_stm.getSerialVersionUID(): " + svuid);} }

Output

輸出量

o_stm.getSerialVersionUID(): -1807547505821590642

翻譯自: https://www.includehelp.com/java/objectstreamclass-getserialversionuid-method-with-example.aspx

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