get the day from java code example

Example 1: get day from date month year java

Calendar cal = Calendar.getInstance();
cal.set(year,month-1,day);
int nd = cal.get(Calendar.DAY_OF_WEEK);

Example 2: get current day java

Calendar calendar = Calendar.getInstance();
int day = calendar.get(Calendar.DAY_OF_WEEK); 

switch (day) {
    case Calendar.SUNDAY:
        // Current day is Sunday
        break;
    case Calendar.MONDAY:
        // Current day is Monday
        break;
    case Calendar.TUESDAY:
        // etc.
        break;
}