gistfile1.txt

import java.util.Random;
import java.util.Scanner;

public class Project {
  public static void main(String[] args) {

    Scanner input = new Scanner(System.in);
    System.out.print("Enter your name: ");
    String name = input.nextLine();
    int number_of_questions = 4;

    System.out.println("Welcome " + name + "!" + " Please answer the following questions:\n");

    int min = 1;
    int max = 20;
    int range = (max - min) + 1;

    // Generate two random numbers that we'll use for the rest of the program...
    int first = (int)(Math.random() * range) + min;
    int second = (int)(Math.random() * range) + min;

    int score = 0;

    // Addition Question

    System.out.print(first  + " + " + second + " = ");
    Integer addition_response = input.nextInt();

    if (addition_response == (first + second)) {
      System.out.println("Correct!");
      score++;
    } else {
      System.out.println("Wrong!");
      System.out.println("The correct answer was " + (first + second));
    }

    System.out.println("");

    // Multiplication Question

    System.out.print(first  + " * " + second + " = ");
    Integer multiplication_response = input.nextInt();

    if (multiplication_response == (first * second)) {
      System.out.println("Correct!");
      score++;
    } else {
      System.out.println("Wrong!");
      System.out.println("The correct answer was " + (first * second));
    }

    System.out.println("");

    // TODO: Division question...

    // TODO: Modulus question....

    // Finally Print out the score

    System.out.println("You got " + score + " correct answers");
    System.out.println("That's a " + (((double)score/number_of_questions) * 100) + "%!");

  }
}