Mathtutor 4-23

Post date: Mar 5, 2014 5:37:49 PM

package mathtutor;

import java.util.Scanner; // Needed for the Scanner class

import java.util.Random; // Needed tor the Random class

/*

This program demonstrates the Random class.

*/

public class MathTutor {

public static void main(String[] args)

{

int number1; // A number

int number2; // Another number

int sum; // The sum of the numbers

int userAnswer; // The user's answer

// Create a Scanner object tor keyboard input.

Scanner keyboard = new Scanner(System.in);

// Create a Random class object.

Random randomNumbers = new Random();

// Get two random numbers.

number1 =randomNumbers.nextInt(100);

number2 = randomNumbers.nextInt(100);

// Display an addition problem.

System.out.println("What is the answer to the"+

"following problem?");

System.out.print(number2 + " + " +

number2 + " =? " ) ;

// Calculate the answer,

sum = number1 + number2;

// Get the user's answer.

userAnswer = keyboard.nextInt();

// Display the user's results,

if (userAnswer == sum)

System.out.println("Correct!");

else

{

System.out.println("Sorry, wrong answer. "+

"The correct answer i s "+

sum);

}

}

}