Date.java

package CMS;

public class Date {
 private int day ;
 private int month ;
 private int year ;

 private static final int[] daysPerMonth = { 0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };

 public Date(int day, int month, int year) 
 {

 if (day <= 0 || (day > daysPerMonth[month] && !(month == 2 && day == 29)))
 throw new IllegalArgumentException("day (" + day + ") out-of-range for the specified month and year");

 if (month <= 0 && month >= 12)
 throw new IllegalArgumentException("month (" + month + ") must be 1-12");

 if (month == 2 && day == 29 && !(year % 400 == 0 || (year % 4 == 0 && year % 100 != 0)))
 throw new IllegalArgumentException("day (" + day + ") out-of range for the specified month and year");

 this.day = day;
 this.month = month;
 this.year = year;
 }

 public int getDay() {
 return day;
 }

 public void setDay(int day) {
 this.day = day;
 }

 public int getMonth() {
 return month;
 }

 public void setMonth(int month) {
 this.month = month;
 }

 public int getYear() {
 return year;
 }

 public void setYear(int year) {
 this.year = year;
 }

 // public void Display_date()
 // {
 // System.out.println(day + " / " + month + " / " + year );
 // }
 public String toString() 
 {
 return day + " / " + month + " / " + year;
 }

}