Output

Variable Name     Value in Memory
number1
number2
number3
average
  1  import java.util.Scanner; // Scanner is in the java.util package
  2  
  3  public class ComputeAverage {
  4    public static void main(String[] args) {
  5      // Create a Scanner object
  6      Scanner input = new Scanner(System.in);
  7      
  8      // Prompt the user to enter three numbers
  9      System.out.print("Enter three numbers: ");
 10      double number1 = input.nextDouble();
 11      double number2 = input.nextDouble();
 12      double number3 = input.nextDouble();
 13  
 14      // Compute average
 15      double average = (number1 + number2 + number3) / 3;
 16  
 17      // Display result
 18      System.out.println("The average of " + number1 + " " + number2
 19        + " " + number3 + " is " + average);
 20    } 
 21  }