itf103.md-wk-11-wk-13.number03

package md.WK11toWK13;

import java.util.Scanner;

public class number03 {
    public static void main(String[] args) {
        Scanner ralph = new Scanner(System.in);

        int NumberOfDaysInMonth = 0;
        String NameOfMonth = "Unknown";

        System.out.print("Input a month number: ");
        int month = ralph.nextInt();

        System.out.print("Input a year: ");
        int year = ralph.nextInt();

        /*
        switch statement guide
            Number of Days in Month:
               January, March, May, July, August, October, December = 31
               February = 28 or 29
               April, June, September, November = 30
            Leap Year:
               if (( year % 400 is zero ) and (( year % 4 is zero ) or ( year % 100 is not zero))), Number of Days in February is 29
               else Number of Days in February is 28
         */
        switch (month) {
            case 1 -> {
                NameOfMonth = "January";
                NumberOfDaysInMonth = 31;
            }
            case 2 -> {
                NameOfMonth = "February";
                // leap year
                if ((year % 400 == 0) || ((year % 4 == 0) && (year % 100 != 0))) {
                    NumberOfDaysInMonth = 29;
                } else {
                    NumberOfDaysInMonth = 28;
                }
            }
            case 3 -> {
                NameOfMonth = "March";
                NumberOfDaysInMonth = 31;
            }
            case 4 -> {
                NameOfMonth = "April";
                NumberOfDaysInMonth = 30;
            }
            case 5 -> {
                NameOfMonth = "May";
                NumberOfDaysInMonth = 31;
            }
            case 6 -> {
                NameOfMonth = "June";
                NumberOfDaysInMonth = 30;
            }
            case 7 -> {
                NameOfMonth = "July";
                NumberOfDaysInMonth = 31;
            }
            case 8 -> {
                NameOfMonth = "August";
                NumberOfDaysInMonth = 31;
            }
            case 9 -> {
                NameOfMonth = "September";
                NumberOfDaysInMonth = 30;
            }
            case 10 -> {
                NameOfMonth = "October";
                NumberOfDaysInMonth = 31;
            }
            case 11 -> {
                NameOfMonth = "November";
                NumberOfDaysInMonth = 30;
            }
            case 12 -> {
                NameOfMonth = "December";
                NumberOfDaysInMonth = 31;
            }
        }
        System.out.print(NameOfMonth + " " + year + " has " + NumberOfDaysInMonth + " days! ");
    }
}