JAVA中获得今天是星期几

public class GetDayOfWeek{  

public static void main(String args[]){  

final String dayNames[] = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五","星期六" };  

Calendar calendar = Calendar.getInstance();  

Date date = new Date();  

calendar.setTime(date);  

int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK)-1;  

if(dayOfWeek <0)dayOfWeek=0;  

System.out.println(dayNames[dayOfWeek]);  

}