Comparing two Calendar objects

Question

I want to compare two Calendar objects to see if they both contain the same date. I don\'t care about any value below days.

I\'ve implemented this and I can\'t think

Answer 1

You can use somehing like DateUtils

public boolean isSameDay(Calendar cal1, Calendar cal2) {
    if (cal1 == null || cal2 == null)
        return false;
    return (cal1.get(Calendar.ERA) == cal2.get(Calendar.ERA)
            && cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR) 
            && cal1.get(Calendar.DAY_OF_YEAR) == cal2.get(Calendar.DAY_OF_YEAR));
}

You can also check if is the same date-time:

public boolean isSameDateTime(Calendar cal1, Calendar cal2) {
    // compare if is the same ERA, YEAR, DAY, HOUR, MINUTE and SECOND
    return (cal1.get(Calendar.ERA) == cal2.get(Calendar.ERA)
           && cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)
           && cal1.get(Calendar.DAY_OF_YEAR) == cal2.get(Calendar.DAY_OF_YEAR)
           && cal1.get(Calendar.HOUR_OF_DAY) == cal2.get(Calendar.HOUR_OF_DAY)
           && cal1.get(Calendar.MINUTE) == cal2.get(Calendar.MINUTE)
           && cal1.get(Calendar.SECOND) == cal2.get(Calendar.SECOND));
}