[TESTDOME] Merge Names

public class MergeNames {
    
    public static String[] uniqueNames(String[] names1, String[] names2) {
        throw new UnsupportedOperationException("Waiting to be implemented.");
    }
    
    public static void main(String[] args) {
        String[] names1 = new String[] {"Ava", "Emma", "Olivia"};
        String[] names2 = new String[] {"Olivia", "Sophia", "Emma"};
        System.out.println(String.join(", ", MergeNames.uniqueNames(names1, names2))); // should print Ava, Emma, Olivia, Sophia
    }
}

public String[] uniqueNames(String[] names1, String[] names2) {

    Set<String> uniqueNameSet = new HashSet<>();

    for(int i = 0, name1Len = names1.length, name2Len = names2.length, loopLen = Math.max(name1Len, name2Len);
        i< loopLen; i++) {
      if(name1Len > i) uniqueNameSet.add(names1[i]);
      if(name2Len > i) uniqueNameSet.add(names2[i]);
    }

    return uniqueNameSet.stream().toArray(String[]::new);
  }