import java.util.*;

public class Assignment5 {

public static void main(String[] args) {

   Scanner console = new Scanner(System.in);

   String choice;
   char command;

   // print the menu
   printMenu();

   // create new Geek object
   Geek myGeek = new Geek("Geek", 0);

   do {
         // ask a user to choose a command
         System.out.println("\nPlease enter a command or type ?");
         choice = console.next().toLowerCase();
         command = choice.charAt(0);

         switch (command) {
            case 'a':
               //prints the Geek's name
               System.out.println("Name: " + myGeek.getName());
               break;
            case 'b': //
               System.out.println("Number of questions: "
                        + myGeek.getNumberOfQuestions());
               break;
            case 'c': //
               //asks for two integers and finds and prints if their sum is even or odd
               System.out.print("Enter a number: ");
               int num1 = Integer.parseInt(console.next());
               System.out.print("Enter the second number: ");
               int num2 = Integer.parseInt(console.next());
               System.out.print("The sum of the numbers is ");
               if (myGeek.isEven(num1, num2)) {
                     System.out.println("even");
               } else {
                     System.out.println("odd");
               }
               break;
            case 'd': //
               //asks for two integers and finds and prints the sum of all integers between them (inclusive)
               System.out.print("Enter the first number: ");
               int n1 = Integer.parseInt(console.next());
               System.out.print("Enter the second number:");
               int n2 = Integer.parseInt(console.next());
               System.out.printf("The sum between %d and %d is %d%n",
                        n1, n2, myGeek.sum(n1, n2));
               break;

This homework builds on the Business class that we used in lab, by...