/* This file demos the Date class */

public class DateDemo {
	public static void main( String[ ] args ) {
		Date bobsBirthday = new Date( 7, 18, 1985 );	// July 18, 1985
		Date carolsBirthday = new Date( 3, 23, 1985 );	// March 23, 1985
		
		System.out.println( "His birthday is " + bobsBirthday.toString( ) );
		System.out.println( "Her birthday is " + carolsBirthday.toString( ) );
		
		if ( bobsBirthday.equals( carolsBirthday ) )
			System.out.println( "Same birthday" );
		else
			System.out.println( "Different birthdays" );
		
		/* ----------------- This was added later ----------------- */
		
		System.out.println("Some leap years:");
		if ( Date.isLeapYear( 1800 ) ) System.out.println("1800");
		if ( Date.isLeapYear( 1900 ) ) System.out.println("1900");
		if ( Date.isLeapYear( 2000 ) ) System.out.println("2000");
		if ( Date.isLeapYear( 2001 ) ) System.out.println("2001");
		if ( Date.isLeapYear( 2002 ) ) System.out.println("2002");
		if ( Date.isLeapYear( 2003 ) ) System.out.println("2003");
		if ( Date.isLeapYear( 2004 ) ) System.out.println("2004");
		
		System.out.println("Days per week " + Date.DAYS_PER_WEEK);
		System.out.println("Months per year " + Date.MONTHS_PER_YEAR);
		
		/* these are all invalid */
		Date invalid1 = new Date( 1, 33, 2004 );
		Date invalid2 = new Date( 2, 29, 2003 );
		Date invalid3 = new Date( 3,  0, 2004 );
		Date invalid4 = new Date( 4, 31, 2004 );
	}
}