java uuid静态方法

UUID类名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()方法用于获取从给定的字节数组(byte [])构造的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。

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

  返回UUID时， nameUUIDFromBytes()方法不会引发异常。

Syntax:

句法：

    public UUID nameUUIDFromBytes(byte[] na);

Parameter(s):

参数：

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

  byte [] na –表示用于生成UUID的字节数组。

Return value:

返回值：

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

方法的返回类型为UUID ，它返回从给定数组构造的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[] array
byte[] by = {
1,
2,
3,
4,
5
};
// Here, we are creating an UUID
// by using nameUUIDFromBytes(by)
UUID uuid = UUID.nameUUIDFromBytes(by);
// Display UUID value
System.out.println("UUID.nameUUIDFromBytes(by): " + uuid);
}
}

Output

输出量

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

翻译自: https://www.includehelp.com/java/uuid-nameuuidfrombytes-method-with-example.aspx

java uuid静态方法