Assignemnt #81 and Counting Machine Revisited

Code

    /// Name: Brian Phillips
    /// Period: 5
    /// Program name: CountMachine2.java
    /// File Name: Counting Machine Revisited
    /// Date Finished: 2/25/2016
    
import java.util.Scanner;

public class CountMachine2
{
    public static void main( String[] args )
    {
        Scanner keyboard = new Scanner(System.in);
        System.out.print( "Count from: " );
        int n = keyboard.nextInt();
        System.out.print( "Count to  : " );
        int n2 = keyboard.nextInt();
        System.out.print( "Count by  : " );
        int n3 = keyboard.nextInt();
        for ( int ok; n <= n2; n = n + n3 )
        {
            System.out.print( + n + " " );
        }

    }
}
    

Picture of the output