//Fig. 2.7:Addition.java//Addition program that displays the sum of two numbers.import java.util.Scanner; //program uses class Scannerpublic class Addition{ //main method begins execution of Java application public static void main(String args[]) { //create Scanner to obtain input from command window Scanner input = new Scanner( System.in ); int number1; //first number to add int number2; //second number to add int sum; //sum of number1 and number2 System.out.print( "Enter first integer:" ); //prompt number1 = input.nextInt(); // read first number from user System.out.print( "Enter second integer:" ); //prompt number2 = input.nextInt(); // read second number from user sum = number1 + number2; //add numbers System.out.printf( "Sum is %d\n", sum); //display sum } //end method main} //end class Addition