Checking if a collection is empty in Java: which is the best method?

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醉话见心
醉话见心 2020-12-01 01:27

I have two ways of checking if a List is empty or not

if (CollectionUtils.isNotEmpty(listName)) 

and

if (listName != null          


        
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  •  爱一瞬间的悲伤
    2020-12-01 01:45

    I would use the first one. It is clear to see right away what it does. I dont think the null check is necessary here.

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