JAVA

Get the last Friday of a month in Java

LocalDate now = LocalDate.now();

LocalDate lastFriday = now.with(TemporalAdjusters.lastInMonth(DayOfWeek.FRIDAY));

Get the last day of a month in Java

LocalDate now = LocalDate.now();

LocalDate lastDay = now.with(TemporalAdjusters.lastDayOfMonth());

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);

get last day of month java

Calendar cal = Calendar.getInstance();
cal.set(Calendar.DATE, cal.getActualMaximum(Calendar.DATE));
Date lastDayOfMonth = cal.getTime();