Java examples for java.util:Week
get Week End
//package com.java2s; import java.util.Calendar; import java.util.Date; public class Main { public static void main(String[] argv) throws Exception { Calendar cal = Calendar.getInstance(); System.out.println(getWeekEnd(cal)); }/*from w w w.j av a 2 s. com*/ public static Calendar getWeekEnd(Calendar cal) { Calendar c = getWeekStart(cal); c.add(Calendar.DAY_OF_WEEK, 6); return c; } public static Calendar getWeekEnd(Date date) { Calendar cal = Calendar.getInstance(); cal.setTime(date); return getWeekEnd(cal); } public static Calendar getWeekEnd(Integer weekOfYear) { return getWeekEnd(weekOfYear.intValue()); } public static Calendar getWeekEnd(Integer weekOfYear, Integer year) { return getWeekEnd(weekOfYear.intValue(), year.intValue()); } public static Calendar getWeekEnd(int weekOfYear) { return getWeekEnd(weekOfYear, Calendar.getInstance().get(Calendar.YEAR)); } public static Calendar getWeekEnd(int weekOfYear, int year) { Calendar cal = Calendar.getInstance(); cal.set(Calendar.MONTH, Calendar.JANUARY); cal.set(Calendar.DAY_OF_MONTH, cal.getMinimalDaysInFirstWeek()); cal.set(Calendar.YEAR, year); cal = getWeekEnd(cal); cal.add(Calendar.WEEK_OF_YEAR, weekOfYear - 1); return cal; } public static Calendar getWeekStart(Calendar cal) { Calendar c = (Calendar) cal.clone(); c.add(Calendar.DAY_OF_WEEK, c.getFirstDayOfWeek() - c.get(Calendar.DAY_OF_WEEK)); c.set(Calendar.HOUR, 0); c.set(Calendar.MINUTE, 0); c.set(Calendar.MILLISECOND, 0); return c; } public static Calendar getWeekStart(Date date) { Calendar cal = Calendar.getInstance(); cal.setTime(date); return getWeekStart(cal); } public static Calendar getWeekStart(Integer weekOfYear) { return getWeekStart(weekOfYear.intValue()); } public static Calendar getWeekStart(Integer weekOfYear, Integer year) { return getWeekStart(weekOfYear.intValue(), year.intValue()); } public static Calendar getWeekStart(int weekOfYear) { return getWeekStart(weekOfYear, Calendar.getInstance().get(Calendar.YEAR)); } public static Calendar getWeekStart(int weekOfYear, int year) { Calendar cal = Calendar.getInstance(); cal.set(Calendar.MONTH, Calendar.JANUARY); cal.set(Calendar.DAY_OF_MONTH, cal.getMinimalDaysInFirstWeek()); cal.set(Calendar.YEAR, year); cal = getWeekStart(cal); cal.add(Calendar.WEEK_OF_YEAR, weekOfYear - 1); return cal; } }