JAVA判断当前日期是星期几

/**
* 判断当前日期是星期几<br>
* <br>
* @param pTime 需要判断的时间<br>
* @return dayForWeek 判断结果<br>
* @Exception 发生异常<br>
*/
public static int dayForWeek(String pTime) throws Exception {
format = new SimpleDateFormat("yyyy-MM-dd");
Calendar c = Calendar.getInstance();
c.setTime(format.parse(pTime));
int dayForWeek = 0;
if(c.get(Calendar.DAY_OF_WEEK) == 1){
dayForWeek = 7;
}else{
dayForWeek = c.get(Calendar.DAY_OF_WEEK) - 1;
}
return dayForWeek;
}

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

public static int dayForWeek(String pTime) throws Throwable {

SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");

Date tmpDate = format.parse(pTime);

Calendar cal = new GregorianCalendar();

cal.set(tmpDate.getYear(), tmpDate.getMonth(), tmpDate.getDay());

return cal.get(Calendar.DAY_OF_WEEK);
}