工具類:UUID工具類

package com.oracle.utils;

import java.util.UUID;

/**
 * 産生UUID随機字元串工具類
 */
public final class UuidUtil {
   private UuidUtil(){}
   public static String getUuid(){
      return UUID.randomUUID().toString().replace("-","");
   }
   /**
    * 測試
    */
   public static void main(String[] args) {
      System.out.println(UuidUtil.getUuid());
      System.out.println(UuidUtil.getUuid());
      System.out.println(UuidUtil.getUuid());
      System.out.println(UuidUtil.getUuid());
   }
}