Java Project #3 : Student Grade

/**
 * StudentGrade determines the final semester score of students in a course.
 * 
 * @author (Andrew Samuels) 
 * @version (02-01-2010)
 */
//import scanner class
import java.util.Scanner;

public class StudentGrade
{

    public static void main(String[] args)
    {
        //initialize variables
        int programs;
        int homeworks;
        int examinations;
        double finalSemesterScore;
        
        //create scanner
        Scanner keyboard = new Scanner(System.in);
        
        //input total program score from the user
        System.out.print("Please enter total program score (0-200): ");
        programs = keyboard.nextInt();
        
        //input total homework score from the user
        System.out.print("Please enter total homework score (0-500): ");
        homeworks = keyboard.nextInt();
        
        //input examination score from the user
        System.out.print("Please enter examination score (0-100): ");
        examinations = keyboard.nextInt();
        
        //calculate final semester score
        finalSemesterScore = 50*(programs*.005) + 30*(homeworks*.002) + 20*(examinations*.01);
        
        //print final semester score
        System.out.println("Final semester score is: " + finalSemesterScore);
        
        
    }
}