//SwitchMonth.java

import java.awt.*;
import javax.swing.*;

public class SwitchMonth extends JApplet {     

    public static void main(String[] argv) {
    //public void init() {

	String input;
	input = JOptionPane.showInputDialog( null, 
					     "Enter month number (1-12)");
	int monthNum;
	monthNum = Integer.parseInt(input);

	String monthName;
	int monthDays;

	switch (monthNum) {
	case 1: 
	    monthName = "January";
	    monthDays = 31;
	    break;
	case 2: 
	    monthName = "February";
	    monthDays = 28;  //wrong if is leap year
	    break;
	case 3: 
	    monthName = "March";
	    monthDays = 31;
	    break;
	case 4: 
	    monthName = "April";
	    monthDays = 30;
	    break;
	case 5: 
	    monthName = "May";
	    monthDays = 31;
	    break;
	case 6: 
	    monthName = "June";
	    monthDays = 30;
	    break;
	case 7: 
	    monthName = "July";
	    monthDays = 31;
	    break;
	case 8: 
	    monthName = "August";
	    monthDays = 31;
	    break;
	case 9: 
	    monthName = "September";
	    monthDays = 30;
	    break;
	case 10: 
	    monthName = "October";
	    monthDays = 31;
	    break;
	case 11: 
	    monthName = "November";
	    monthDays = 30;
	    break;
	case 12: 
	    monthName = "December";
	    monthDays = 31;
	    break;

	default: 
	    monthName= "error month";
	    monthDays = 0;
	}

	JOptionPane.showMessageDialog(null, 
				      "Month is "+monthName+
				      "  of "+monthDays+" days");

    }
}