java快速获取当天开始时间和结束时间

 
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
 
public class TimeUtils {
 
    public static Date getStartTime() {
        Calendar todayStart = Calendar.getInstance();
        todayStart.set(Calendar.HOUR_OF_DAY, 0);
        todayStart.set(Calendar.MINUTE, 0);
        todayStart.set(Calendar.SECOND, 0);
        todayStart.set(Calendar.MILLISECOND, 0);
        return todayStart.getTime();
    }
    public static String getStartTimes(){
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        //获取当天开始时间
        String StartTime = sdf.format(TimeUtils.getStartTime());
        return StartTime;
    }
    public static Date getEndTime() {
        Calendar todayEnd = Calendar.getInstance();
        todayEnd.set(Calendar.HOUR_OF_DAY, 23);
        todayEnd.set(Calendar.MINUTE, 59);
        todayEnd.set(Calendar.SECOND, 59);
        todayEnd.set(Calendar.MILLISECOND, 999);
        return todayEnd.getTime();
    }
    public static String getEndTimes(){
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        //获取当天结束时间
        String EndTime = sdf.format(TimeUtils.getEndTime());
        return EndTime;
    }
}