public class CurrentYear
{
    public static void main( String[] args )
    {
        System.out.println( "Current Year is " + getCurrentYear() );
    }
 
    private static int currentYear = 0;
    private static long expireCurrentYear = 0;
 
    public static int getCurrentYear()
    {
        // not initialized or expired, obtain a new current year
        if ( currentYear == 0 || System.currentTimeMillis() >= expireCurrentYear )
        {
            Calendar cal = Calendar.getInstance();
 
            currentYear = cal.get( Calendar.YEAR );
 
            // set cal to jan/1 of next year 00:00:00.0000, which will be
            // used as expiration time for the current year
            cal.set( Calendar.DAY_OF_MONTH, 1 );
            cal.set( Calendar.MONTH, 0 );
            cal.set( Calendar.HOUR_OF_DAY, 0 );
            cal.set( Calendar.MINUTE, 0 );
            cal.set( Calendar.SECOND, 0 );
            cal.set( Calendar.MILLISECOND, 0 );
            cal.add( Calendar.YEAR, 1 );
 
            expireCurrentYear = cal.getTimeInMillis();
        }
 
        return currentYear;
    }
}