根据周获取周的周一和周日

import java.text.SimpleDateFormat;import java.util.Calendar; public class DateTest {     public static void main(String[] args) {        int week = 1;        int year = 2014;        Calendar calendar = Calendar.getInstance();        calendar.setFirstDayOfWeek(Calendar.MONDAY);        calendar.set(Calendar.YEAR, year);        calendar.set(Calendar.WEEK_OF_YEAR, week);        System.out.println(calendar.getTime());        SimpleDateFormat df = new SimpleDateFormat("yyyy.MM.dd");        System.out.println(df.format(calendar.getTime()));                calendar.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);        String monday = df.format(calendar.getTime());        calendar.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);        String sunday = df.format(calendar.getTime());                System.out.println(monday + " - " + sunday);    }}