com.generallycloud.baseio.common.MyUUID Maven / Gradle / Ivy
/*
* Copyright 2015-2017 GenerallyCloud.com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.generallycloud.baseio.common;
import java.util.Random;
/**
* @author wangkai
*
*/
public class MyUUID {
private static Random seed = new Random();
public static String random32() {
return random16() + random16();
}
public static String random16() {
long L1 = seed.nextLong();
return MathUtil.long2HexString(L1);
}
public static void main(String[] args) {
for (int i = 0; i < 10; i++) {
String s = random32();
System.out.println(s);
}
random32();
System.out.println(random16());
}
}