Convert List to String

List of String:

String.join(",", yourListString);

List of Objetcs:

String content = yourListObjs.stream()
        .map(obj -> obj.toString())
        .collect(Collectors.joining(System.lineSeparator()));
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Nhãn:

Sort List of Objects by Property

yourList.sort(Comparator.comparing(obj -> obj.getYourProperty));

Sort List of String:
list.sort(String::compareToIgnoreCase);
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Nhãn:

Top 10 Programming Languages in 2017


http://spectrum.ieee.org/computing/software/the-2017-top-programming-languages

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