How to lowercase every element of a collection efficiently?

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走了就别回头了
走了就别回头了 2020-12-02 16:53

What\'s the most efficient way to lower case every element of a List or Set?

My idea for a List:

final List strings = new ArrayList<         


        
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  •  忘掉有多难
    2020-12-02 17:47

    Yet another solution, but with Java 8 and above:

    List result = strings.stream()
                                 .map(String::toLowerCase)
                                 .collect(Collectors.toList());
    

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