java uuid静态方法_Java UUID toString（）方法与示例

java uuid静态方法

UUID类toString()方法 (UUID Class toString() method)

toString() method is available in java.util package.

toString()方法在java.util包中可用。
toString() method is used for string denotation of this UUID.

toString()方法用于此UUID的字符串表示。
toString() 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.

toString()方法是一种非静态方法，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。
toString() method does not throw an exception at the time of string representation of this UUID.

在此UUID的字符串表示形式时， toString()方法不会引发异常。

Syntax:

句法：

    public String toString();

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 String, it is string denotation of this UUID.

方法的返回类型为String ，它是此UUID的字符串表示形式。

Example:

例：

// Java program to demonstrate the example
// of long timestamp() method of UUID
import java.util.*;
public class TimeStampOfUUID {public static void main(String[] args) {// Instantiate UUID
UUID uuid = UUID.fromString("46400000-8cc0-11bd-b43e-10d46e4ef14d");
//By using timestamp() method is to
//return the timestamp value of this
//UUID
long time_stamp = uuid.timestamp();
// Display time_stamp Value
System.out.println("uuid.timestamp(): " + time_stamp);
}
}

Output

输出量

uuid.timestamp(): 125411122076450816

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

java uuid静态方法

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