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topN取词时，之前的方法是遍历循环,每次都删除索引为topN的对象， 如果数据量大删除时会导致底层数据的多次移动 #103

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topN取词时，之前的方法是遍历循环,每次都删除索引为topN的对象， 如果数据量大删除时会导致底层数据的多次移动 #103

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topN取词时，之前的方法是遍历循环,每次都删除索引为topN的对象， 如果数据量大删除时会导致底层数据的多次移动
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@eabcd
eabcd committed Dec 11, 2019
commit d738c4224b84fa2b38c571c65fbf47d8e5d11190
9 changes: 1 addition & 8 deletions src/main/java/com/qianxinyao/analysis/jieba/keyword/TFIDFAnalyzer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -54,14 +54,7 @@ public List<Keyword> analyze(String content,int topN){
}

Collections.sort(keywordList);

if(keywordList.size()>topN) {
int num=keywordList.size()-topN;
for(int i=0;i<num;i++) {
keywordList.remove(topN);
}
}
return keywordList;
return keywordList.size() > topN ? keywordList.subList(0, topN) : keywordList;
}

/**
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