//for dialog box to work
import javax.swing.JOptionPane;

public   class DaysInMonth{
   
	public   static   void  main(String[] args){
		
		//Ask user to input data
		String stringmonth = JOptionPane.showInputDialog(null, "Please input a month in numbers 1-12", "CPSC 1150 Lab 4", JOptionPane.QUESTION_MESSAGE);
		String stringyear = JOptionPane.showInputDialog(null, "Please input a year", "CPSC 1150 Lab 4", JOptionPane.QUESTION_MESSAGE);
      
		//Turn String into integers
		int month = Integer.parseInt(stringmonth);
		int year = Integer.parseInt(stringyear);

		//Display information according to month
		switch(month){
			case 1:      
			JOptionPane.showMessageDialog(null, "January of "+year+" has 31 days");
			break;
			
			//Display information according to year
			case 2:
			if(year%4==0){
				if(year%100 != 0){
					JOptionPane.showMessageDialog(null, "Februrary  of "+year+" is a leap year and has 29 days");
					break;
				} else if(year%400==0) {
					JOptionPane.showMessageDialog(null, "Februrary of "+year+" is a leap year and has 29 days");
					break;
				} else {
					JOptionPane.showMessageDialog(null, "Februrary of "+year+" is NOT a leap year and has 28 days");
					break;
 				}
			} else {
				JOptionPane.showMessageDialog(null, "Februrary of "+year+" is NOT a leap year and has 28 days");
				break;
			}
			case 3:
				JOptionPane.showMessageDialog(null, "March of "+year+" has 31 days");
				break;
      
			case 4:
				JOptionPane.showMessageDialog(null, "April of "+year+" has 30 days");
				break;

			case 5:
				JOptionPane.showMessageDialog(null, "May of "+year+" has 31 days");
				break;

			case 6:
				JOptionPane.showMessageDialog(null, "June of "+year+" has 30 days");
				break;

			case 7:
				JOptionPane.showMessageDialog(null, "July of "+year+" has 30 days");
				break;
				
			case 8:
				JOptionPane.showMessageDialog(null, "August of "+year+" has 31 days");
				break;

			case 9:
				JOptionPane.showMessageDialog(null, "September of "+year+" has 30 days");
				break;

			case 10:
				JOptionPane.showMessageDialog(null, "October of "+year+" has 31 days");
				break;

			case 11:
				JOptionPane.showMessageDialog(null, "November of "+year+" has 30 days");
				break;

			case 12:
				JOptionPane.showMessageDialog(null, "December of "+year+" has 31 days");
				break;
         
		}

	}
  
}