获取某年最后一天日期

/** 
* 获取某年最后一天日期 
* @param year 年份 
* @return Date 
*/
public static Date getYearLast(int year) {
    Calendar calendar = Calendar.getInstance();
    calendar.clear();
    calendar.set(Calendar.YEAR, year);
    calendar.roll(Calendar.DAY_OF_YEAR, -1); 
    return calendar.getTime(); 
}