fix
parent
ee902be8ea
commit
6ddd6930ec
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@ -3,6 +3,7 @@ package com.ljsd.jieling.util;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.util.Random;
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import java.util.concurrent.ThreadLocalRandom;
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@ -14,6 +15,8 @@ import java.util.concurrent.ThreadLocalRandom;
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public class MathUtils {
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private static final Logger LOGGER = LoggerFactory.getLogger(MathUtils.class);
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private static final Random random = new Random();
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/**
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* 权重随机
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* @param rateArray
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@ -82,4 +85,8 @@ public class MathUtils {
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return low + ThreadLocalRandom.current().nextInt(hi - low + 1);
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}
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public static int randomInt(int n){
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return random.nextInt(n);
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}
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}
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