java.util.UUID.randomUUID() 方法示例

package com.codingdict;

import java.util.*;

public class UUIDDemo {
   public static void main(String[] args) {

      // creating UUID      
      UUID uid = UUID.fromString("38400000-8cf0-11bd-b23e-10b96e4ef00d");     

      // checking the value of random UUID
      System.out.println("Random UUID value: "+uid.randomUUID());    
   }    
}