java 判断日期是星期几

private final static SimpleDateFormat sdfDay = new SimpleDateFormat(
<span style="white-space:pre">			</span>"yyyy-MM-dd");

public static String dayForWeek(String pTime) throws ParseException{
Calendar c = Calendar.getInstance();
c.setTime(sdfDay.parse(pTime));
Date date = c.getTime();
//中文周几
SimpleDateFormat sdf = new SimpleDateFormat("E");
String dateStr = sdf.format(date);

//数字周几
//		  int dayForWeek = 0;
//		  if(c.get(Calendar.DAY_OF_WEEK) == 1){
//		   dayForWeek = 7;
//		  }else{
//		   dayForWeek = c.get(Calendar.DAY_OF_WEEK) - 1;
//		  }
return dateStr;
}