public class DateClass{
   //  Or you can make these Strings
   //  Default constructor...
   int month, day, year;
   public DateClass(){
      month = 1;
      day = 1;
      year = 2005;
   }
   
   public DateClass(int month, int day, int year){
      this.month = month;
      if((month == 2)&&(day > 29)){
         //  do whatever validation you need for day
         //  in this case default to last Feb day
         //  may test for leap year -- check out
         //  www.kmatech.co.uk for possible verification
         //  algorithm - or an idea - don't kill my bandwidth
         //  though, coz its not a corporate website.  
         //  Though it does give the impression that it is.
         //  There is a section that says click HERE
         //  it has code of something similar in reverse thinking
         //  That would cater for leap years etc...
         this.day = 29;
      }else{
         this.day = day;
      }
      this.year = year;
   }
   
   public void setMonth(int month){
      this.month = month;
   }
   
   public int getMonth(){
      return this.month;
   }
   
   //  create Getters and setters for day and year...
   //  in effect this is what you call a Container Class
   //  You can set your attributes and retrieve values
   //  for the current object
}