[Java/Groovy] 요일 구하기/체크하기

def d = java.sql.Date.valueOf( "2010-05-03")
def cal = new GregorianCalendar();
cal.setTime(d)
def dayOfWeek = cal.get(Calendar.DAY_OF_WEEK)

if( dayOfWeek == Calendar.MONDAY)
    println "Monday !"