/home/caleb/ASDV-Java/Assignments/MP3_CalebFontenot/src/mp3_calebfontenot/CalendarWhile.java

    /*
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     * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
     */
    package mp3_calebfontenot;

    import java.util.Scanner;

    /**
     *
     * @author caleb
     */
    public class CalendarWhile {
        public static void main(String[] args) {
            Scanner input = new Scanner(System.in);
            System.out.print("Enter a year: ");
            int year = input.nextInt();
            System.out.print("Enter the first day of the year: ");
            int firstDay = input.nextInt();
            System.out.println();
            System.out.println();

            int startDay = firstDay;
            int numberOfDaysInMonth = 0;
            int month = 1;
            while (month <= 12) {
                System.out.print("         ");
                switch (month) {
                    case 1: System.out.println("January " + year); numberOfDaysInMonth = 31; break;
                    case 2: System.out.println("February " + year);
                        if (year % 400 == 0 || (year % 4 == 0 && year % 100 != 0)) numberOfDaysInMonth = 29;
                        else numberOfDaysInMonth = 28;
                        break;
                    case 3: System.out.println("March " + year); numberOfDaysInMonth = 31; break;
                    case 4: System.out.println("April " + year); numberOfDaysInMonth = 30; break;
                    case 5: System.out.println("May " + year); numberOfDaysInMonth = 31; break;
                    case 6: System.out.println("June " + year); numberOfDaysInMonth = 30; break;
                    case 7: System.out.println("July " + year); numberOfDaysInMonth = 31; break;
                    case 8: System.out.println("August " + year); numberOfDaysInMonth = 31; break;
                    case 9: System.out.println("September " + year); numberOfDaysInMonth = 30; break;
                    case 10: System.out.println("October " + year); numberOfDaysInMonth = 31; break;
                    case 11: System.out.println("November " + year); numberOfDaysInMonth = 30; break;
                    case 12: System.out.println("December " + year); numberOfDaysInMonth = 31; break;
                }
                System.out.println("------------------------------");
                System.out.println(" Sun Mon Tue Wed Thu Fri Sat");
                int i = 0;
                for (i = 0; i < startDay; i++) {
                    System.out.print("    ");
                }
                for (i = 1; i <= numberOfDaysInMonth; i++) {
                    if (i < 10) System.out.print("   " + i);
                    else System.out.print("  " + i);

                if ((i + startDay) % 7 == 0) {
                    System.out.println();
                }
                }
                System.out.println();
                System.out.println();
                startDay = (startDay + numberOfDaysInMonth) % 7;
                month++;
            }
        }
    }