com.wudaosoft.commons.utils.RandomGenerator Maven / Gradle / Ivy
/**
* Copyright 2009-2018 Wudao Software Studio(wudaosoft.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.wudaosoft.commons.utils;
import java.util.Random;
/**
* 返回随机数,范围.比如6 返回0-5
*
* @author Changsoul Wu
*/
public class RandomGenerator {
static Random ran = new Random();
public static int ramdomUnm(int range) {
int num = -1;
num = Math.abs(ran.nextInt()) % range;
return num;
}
}