MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import static java.util.Calendar.DATE;
import static java.util.Calendar.DAY_OF_WEEK;
import static java.util.Calendar.MONTH;
import static java.util.Calendar.YEAR;
import java.text.DateFormatSymbols;
import java.util.GregorianCalendar;

public class MainClass {
    public static void main(String[] args) {

        GregorianCalendar birthdate = new GregorianCalendar(1999, 1, 1);
        GregorianCalendar today = new GregorianCalendar(); // Today's date
        GregorianCalendar birthday = new GregorianCalendar(today.get(YEAR), birthdate.get(MONTH),
                birthdate.get(DATE));
        int age = today.get(today.YEAR) - birthdate.get(YEAR);
        String[] weekdays = new DateFormatSymbols().getWeekdays(); // Get day names
        System.out.println("You were born on a " + weekdays[birthdate.get(DAY_OF_WEEK)]);
        System.out.println("This year you " + (birthday.after(today) ? " will be " : "are ") + age + " years old.");
        System.out
                .println("In " + today.get(YEAR) + " your birthday " + (today.before(birthday) ? "will be" : "was")
                        + " on a " + weekdays[birthday.get(DAY_OF_WEEK)] + ".");
    }
}