Question

In java

Write and test a method that finds the longest string(s) in a list of strings. If there is more than one string with the maximum length, ALL of them should be returned, in some appropriate data-structure.

Answer 1

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class AllLongest {

    public static List<String> getAllLongest(List<String> strings) {
        List<String> longest = new ArrayList<>();
        for (int i = 0; i < strings.size(); i++) {
            if (longest.isEmpty() || longest.get(0).length() < strings.get(i).length()) {
                longest.clear();
                longest.add(strings.get(i));
            } else if (longest.get(0).length() == strings.get(i).length()) {
                longest.add(strings.get(i));
            }
        }
        return longest;
    }

    public static void main(String[] args) {
        System.out.println(getAllLongest(Arrays.asList("hi", "hello", "there", "how", "are", "you?")));
    }
}