Term 1: Lesson 20 - Coding Activity (no array)

import java.util.Scanner;

public class Lesson_20_Activity {

    public static void main(String[] args) {

            Scanner scan= new Scanner(System.in);
             int x = 1;
             double lon = 0;
             double lat = 0;
             double maxlat = -90;
             double minlat = 90;
             double maxlon = -180;
             double minlon = 180;

             while (x == 1)
            {
             System.out.println("Please enter the latitude:");
             lat = scan.nextDouble();

             System.out.println("Please enter the longitude:");
             lon = scan.nextDouble();

             if ((lat < -90 || lat > 90) || (lon < -180 || lon > 180)) {
                 System.out.println("Incorrect Latitude or Longitude");
             }
             else {

             if (lat > maxlat)
               maxlat = lat;
             if (lat < minlat)
               minlat = lat;
             if (lon > maxlon)
               maxlon = lon;
             if (lon < minlon)
               minlon = lon;

             System.out.println("Would you like to enter another location?");
               x = scan.nextInt();
             }
            }
            System.out.println("Farthest North: " + maxlat);
            System.out.println("Farthest South: " + minlat);
            System.out.println("Farthest East: " + maxlon);
            System.out.println("Farthest West: " + minlon);


    }

}