uuidutils.java

达内网上购物系统

package org.whatisjava.dang.util;

import java.util.UUID;

public class UUIDUtils {
	public static String nextCode() {
		UUID uuid = UUID.randomUUID();
		return uuid.toString().toUpperCase();
	}

	public static void main(String[] args) {
		System.out.println(UUIDUtils.nextCode());
	}
}