Question

How to find all 2 or 3 letters words from a list in Java

Answer 1

import java.util.stream.Collectors;
import java.util.ArrayList;
import java.util.List;

public class Program {
    public static void main(String[] args) {
        List<String> lst = new ArrayList<>(List.of("python", "c", "c++", "c#", "java", "php", "nodejs", "ada", "go"));

        List<String> threeLetter_words = lst.stream()
                                           .filter(word -> word.length() == 2 || word.length() == 3)
                                           .collect(Collectors.toList());

        System.out.println(String.join(", ", threeLetter_words));
    }
}


  
  
/*
run:
  
c++, c#, php, ada, go
  
*/

 

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