java 获取今天是星期几

  java 获取今天是星期几

public class Test {
 
    public static void main(String[] args) {
        String[] weekDays = {"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();
        System.out.println("今天是"+weekDays[calendar.get(Calendar.DAY_OF_WEEK)-1]);
    }
}