// Fig. 2.7: Addition.java
// Addition program that inputs two numbers then displays their sum.
import java.util.Scanner; // program uses class Scanner

public class Addition
{
    // main method begins execution of Java application
    public static void main(String[] args)
    {
        // create a Scanner to obtain input from the command window
        Scanner input = new Scanner(System.in);

        int number1 = 0; // first number to add
        int number2 = 0; // second number to add
        int sum = 0; // sum of number1 and number2

        System.out.print("Enter first integer: "); // prompt
        number1 = input.nextInt(); // read first number from user *** hangs! ***

        System.out.print("Enter second integer: "); // prompt
        number2 = input.nextInt(); // read second number from user *** hangs! ***

        sum = number1 + number2; // add numbers, then store total in sum

        System.out.printf("Sum is %d%n", sum); // display sum
    } // end method main
} // end class Addition