java uuid靜態(tài)方法

UUID類名UUIDFromBytes()方法 (UUID Class nameUUIDFromBytes() method)

• nameUUIDFromBytes() method is available in java.util package.

  java.util包中提供了nameUUIDFromBytes()方法 。

• nameUUIDFromBytes() method is used to get a UUID constructed from the given bytes array (byte[]).

  nameUUIDFromBytes()方法用于獲取從給定的字節(jié)數(shù)組(byte [])構(gòu)造的UUID。

• nameUUIDFromBytes() 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.

  nameUUIDFromBytes()方法是一個(gè)非靜態(tài)方法，只能通過類對(duì)象訪問，如果嘗試使用類名稱訪問該方法，則會(huì)收到錯(cuò)誤消息。

• nameUUIDFromBytes() method does not throw an exception at the time of returning UUID.

  返回UUID時(shí)， nameUUIDFromBytes()方法不會(huì)引發(fā)異常。

Syntax:

句法：

public UUID nameUUIDFromBytes(byte[] na);

Parameter(s):

參數(shù)：

• byte[] na – represents an array of byte to be used to generate UUID.

  byte [] na –表示用于生成UUID的字節(jié)數(shù)組。

Return value:

返回值：

The return type of the method is UUID, it returns UUID constructed from the given array.

方法的返回類型為UUID ，它返回從給定數(shù)組構(gòu)造的UUID。

Example:

例：

// Java program to demonstrate the example // of UUID nameUUIDFromBytes(byte[] na) // method of UUID import java.util.*;public class NameUUIDFromBytes {public static void main(String[] args) {// Instantiate byte[] arraybyte[] by = {1,2,3,4,5};// Here, we are creating an UUID// by using nameUUIDFromBytes(by)UUID uuid = UUID.nameUUIDFromBytes(by);// Display UUID valueSystem.out.println("UUID.nameUUIDFromBytes(by): " + uuid);} }

Output

輸出量

UUID.nameUUIDFromBytes(by): 7cfdd078-89b3-395d-aa55-0914ab35e068

翻譯自: https://www.includehelp.com/java/uuid-nameuuidfrombytes-method-with-example.aspx

java uuid靜態(tài)方法

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