Exercise14_10

package abstract_class_and_Interfaces;
import java.util.*;
public class Exercise14_10 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner input = new Scanner(System.in);
		
		int month = input.nextInt();
		int year = input.nextInt();
		int day = 1;
		
		Calendar c = new GregorianCalendar(year,month-1,day);
		
		int firstDay = c.get(Calendar.DAY_OF_WEEK);
		int dayOfMonth = c.getActualMaximum(Calendar.DAY_OF_MONTH);
		
		printMonthTitle(year,month);
		printMonthBody(year,month, firstDay, dayOfMonth);
		
		input.close();
		
	}
	
	public static void printMonthTitle(int year, int month) {
		System.out.println("             " + getMonthName(month)+ "  "+ year);
		System.out.println("-------------------------------------");
		System.out.println("  Sun  Mon  Tue  Wed  Thu  Fri  Sat  ");
	}
	
	public static String getMonthName(int month) {
		String monthName = " ";
		switch(month) {
		case 1: monthName = "January"; break;
		case 2: monthName = "Febuary"; break;
		case 3: monthName = "March"; break;
		case 4: monthName = "April"; break;
		case 5: monthName = "May"; break;
		case 6: monthName = "June"; break;
		case 7: monthName = "July"; break;
		case 8: monthName = "August"; break;
		case 9: monthName = "September"; break;
		case 10: monthName = "October"; break;
		case 11: monthName = "November"; break;
		case 12: monthName = "December";
		}
		
		return monthName;
	}
	
	public static void printMonthBody(int year, int month, int startDay, int dayOfMonth) {
		for(int i = 1; i< startDay;i++) {
			System.out.print("     ");
		}
		for(int i = 1;i <= dayOfMonth; i++) {
			if((i + startDay-2) % 7 ==0)
				System.out.println();
			if(i <10 ) {
				System.out.print(" ");
			}
			System.out.print("   "+ i );
			
		}
	}
	
	

}