Java Stream How to - Sort a list with Null First

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Question

We would like to know how to sort a list with Null First.

Answer

import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
/*www  . java  2  s  . com*/

public class Main {
  public static void main(String... args) {
    List<String> names2 = Arrays.asList("XML", null, "Java", "HTML", "CSS");
    names2.sort(Comparator.nullsFirst(String::compareTo));
    System.out.println(names2);

  }
}

The code above generates the following result.

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