05. Compare Char Arrays

import java.util.Scanner;
import java.util.Arrays;

class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String[] arrOne = scanner.nextLine().split(" ");
        String[] arrTwo = scanner.nextLine().split(" ");

        if (arrOne.length < arrTwo.length) {
            System.out.printf("%s\n%s\n", String.join("", arrOne), String.join("", arrTwo));
        } else if (arrTwo.length < arrOne.length) {
            System.out.printf("%s\n%s\n", String.join("", arrTwo), String.join("", arrOne));
        } else {
            int result = Arrays.toString(arrOne).compareTo(Arrays.toString(arrTwo));
            System.out.printf("%s\n%s\n",
                    String.join("", result <= 0 ? arrOne : arrTwo),
                    String.join("", result <= 0 ? arrTwo : arrOne)
            );
        }
    }
}