calculate number of weeks in a given year

Question

I would like to get the number of weeks in any given year. Even though 52 is accepted as a generalised worldwide answer, the calendars for 2015,

Answer 1

@Manjula Weerasinge answer actually introduce a bug for 2016. Here's a better solution.

Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR, year);
cal.set(Calendar.MONTH, Calendar.JANUARY);
cal.set(Calendar.DAY_OF_MONTH, 1);
GregorianCalendar gregorianCalendar = new GregorianCalendar();

int weekDay = cal.get(Calendar.DAY_OF_WEEK) - 1;
if (gregorianCalendar.isLeapYear(year)){
   if (weekDay == Calendar.THURSDAY || weekDay == Calendar.WEDNESDAY)
      return 53;
   else
      return 52;
} else {
   if (weekDay == Calendar.THURSDAY)
      return 53;
   else
      return 52;
}