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60 lines
1.5 KiB
Java
60 lines
1.5 KiB
Java
/*
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* Copyright 2025 mingliqiye
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* ProjectName mingli-utils
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* ModuleName mingli-utils.main
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* CurrentFile RandomInt.java
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* LastUpdate 2025-09-09 08:37:33
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* UpdateUser MingLiPro
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*/
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package com.mingliqiye.utils.random;
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import java.util.concurrent.ThreadLocalRandom;
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/**
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* @author MingLiPro
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*/
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public class RandomInt {
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/**
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* 生成指定范围内的随机整数
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* @param min 最小值（包含）
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* @param max 最大值（不包含）
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* @return 随机整数
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*/
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public static int randomIntNoHave(int min, int max) {
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if (min > max) {
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int t = min;
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min = max;
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max = t;
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}
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if (min == max) {
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return min;
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}
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return ThreadLocalRandom.current().nextInt(min, max);
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}
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/**
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* 生成指定范围内的随机整数
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* @param min 最小值（包含）
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* @param max 最大值（包含）
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* @return 随机整数
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*/
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public static int randomInt(int min, int max) {
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return randomIntNoHave(min, ++max);
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}
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}
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