projjpn/projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Birthdate.java

package de.hs_fulda.ciip.projjpn;

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

	public Birthdate(int d, int m, int y) {
		day = d;
		month = m;
		year = y;
	}
	
	public int getDay() {
		return day;
	}

	public int getMonth() {
		return month;
	}

	public int getYear() {
		return year;
	}

	/**
	 * @return Date Format DD.MM.YYYY
	 */
	public String toString() {
		return day + "." + month + "." + year;
	}
	
	/**
	 * 
	 * @param d Day
	 * @param m Month
	 * @param y Year
	 */
	public void changeBirthdate(int d, int m, int y) {
		day = d;
		month = m;
		year = y;
	}
	
	/**
	 * 
	 * @param DD
	 * @param MM
	 * @param YYYY
	 * @return true if date is valid.
	 * @return false if date is invalid.
	 */
	public boolean isValid(int DD, int MM, int YYYY) {
		if (DD < 1 || DD > 31) {
			return false;
		}
		if (MM < 1 || MM > 12) {
			return false;
		}
		if (YYYY < 1990 || YYYY > 2022) {
			return false;
		}
		
		return true;
	}

}