24 lines
490 B
Java
24 lines
490 B
Java
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package com.zdjizhi.utils;
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import java.util.Collection;
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import java.util.HashSet;
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/**
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* @author wlh
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* 扩展集合处理工具
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*/
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public class CollectionUtils {
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public static<T> Collection<T> takeUniqueLimit(Collection<T> collection, int limit){
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int i =0;
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Collection<T> newSet = new HashSet<>();
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for (T t:collection){
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if (i < limit){
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newSet.add(t);
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i += 1;
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}
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}
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return newSet;
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}
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}
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