Assignment 104, Weekday Calculator w/o methods

Code

   ///Name: Stella Koliavas
   ///Period: 5
   ///Program Name: WeekdayCalc2
   ///File Name: WeekdayCalc2.java
   ///Date Finshed: 4/26/16
   
   import java.util.Scanner;

public class WeekdayCalc2
{
	public static void main( String[] args )
	{
		Scanner keyboard = new Scanner(System.in);

		System.out.println("Welcome to Mr. Davis's fantastic birth-o-meter!");
		System.out.println();
		System.out.println("All you have to do is enter your birth date, and it will");
		System.out.println("tell you the day of the week on which you were born.");
		System.out.println();
		System.out.println("Some automatic tests....");
		System.out.println("12 10 2003 => " + weekday(12,10,2003));
		System.out.println(" 2 13 1976 => " + weekday(2,13,1976));
		System.out.println(" 2 13 1977 => " + weekday(2,13,1977));
		System.out.println(" 7  2 1974 => " + weekday(7,2,1974));
		System.out.println(" 1 15 2003 => " + weekday(1,15,2003));
		System.out.println("10 13 2000 => " + weekday(10,13,2000));
		System.out.println();

		System.out.println("Now it's your turn!  What's your birthday?");
		System.out.print("Birth date (mm dd yyyy): ");
		int mm = keyboard.nextInt();
		int dd = keyboard.nextInt();
		int yyyy = keyboard.nextInt();
    
        System.out.println("You were born on " + WeekdayCalc.weekday_name(mm) +WeekdayCalc.weekday(mm, dd, yyyy));
    }           

	public static String weekday( int mm,int dd,int yyyy )
	{
		int yy, total, weekday;
		String date;
        
        yy = yyyy-1900;
        total = (yy/4) + yy + dd + WeekdayCalc.monthOffset( mm );
        
        if (mm ==1 && WeekdayCalc.isLeap(yyyy) == true)
        total = total-1;
        
        else if (mm ==2 && WeekdayCalc.isLeap(yyyy) == true ) 
        total = total -1;
        
        weekday = (total % 7);
 		// bunch of calculations go here

		date = (WeekdayCalc.weekday_name(weekday) + ", "+dd+ ", " + yyyy);

		return date;
	}


  }





        
        
        
    

Picture of the output