UserInterface

import java.io.*;
import java.util.*;

public class UserInterface {

   public static void main(String[] args) throws FileNotFoundException{
      // What engineering major are you interested in?
      Scanner console = new Scanner(System.in);
      System.out.print("What engineering major are you interested in? ");
      MajorNode major = new MajorNode(console.nextLine());
      System.out.println();
      
      // Print out list of prereqs for that major
      System.out.println(major);
      
      // Which of these classes have you taken? (Enter if none)
      boolean hasClass = true;
      while(hasClass){
         System.out.print("Which of these classes have you already taken (enter if none)? ");
         String taken = console.nextLine();
         
         if(taken.equals("")){
            hasClass = false;
         } else {
            major.remove(taken);
         }
      }
      System.out.println();
      
      // Print out uspdated list of classes needed to take
      System.out.println(major);
      
      // Here's a suggested schedule
      System.out.println("Here's a Suggested Schedule: ");
      major.makeSchedule(); 
   }

}