using System;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello world.");

        String[] vehicle_makes =  new string[]{"Chevrolet", "X"," ","Mazda","","Ford", "   ", "GMC"};

        //int[] vehicle_years =  new int[]{1990, 1987, 2015};

        /*

        Part 1: Write a function that loops through the vehicle_makes array and prints the element if the element has a length greater than one character

        Example input: {"Honda", "  ", "", "Mitsubishi"}

        Example output: 

        Honda

        Mitsubishi

        */

        /*for (int i = 0; i < vehicle_makes.Length; i++) {

            if (vehicle_makes[i].Length  > 1 ){

                Console.WriteLine(vehicle_makes[i]);

            }

            }*/

        /*

        Part 2: Modify the function from Part 1 to prevent empty strings from being printed

        Example input: {"Honda", "  ", "", "Mitsubishi"}

        Example output: 

        Honda

        Mitsubishi

        */

        /*      for (int i = 0; i < vehicle_makes.Length; i++) {

            if (vehicle_makes[i].Length  > 1 || !(string.IsNullOrWhiteSpace(vehicle_makes[i].Trim()))){

                Console.WriteLine(vehicle_makes[i]);

            }

            }*/

        /*

        Part 3: Add 1 year to each year in the vehicle_years array.  On the same line, print the original vehicle_year element and the modified (plus 1) element. Separate the elements with a comma.

        Example input: {1990, 1987, 2015}

        Example output: 

        1990,1991

        1987,1988

        2015,2016       

        */

        int[] vehicle_years =  new int[]{1990, 1987, 2015};

        for (int i = 0; i < vehicle_years.Length; i++) {

            Console.WriteLine(vehicle_years[i].ToString() + "," + (vehicle_years[i] + 1).ToString());

        }

    }

}