Java得到下一天明天，明天时间

import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.*; /** * @author Administrator * * TODO To change the template for this generated type comment go to Window - * Preferences - Java - Code Style - Code Templates */ public class CTime {      private String strTime;      public CTime(String strTime)      {          this.strTime = strTime;      }      public void printNextTime()      {          Calendar cal = Calendar.getInstance();          Date date = new Date();          SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");          try          {              date = sdf.parse(this.strTime);              cal.setTime(date);              cal.add(cal.DATE, 1);              System.out.println("下一天的时间是：" + sdf.format(cal.getTime()));          }          catch (Exception e)          {              // TODO Auto-generated catch block              e.printStackTrace();          }      }      public static void main(String[] args)      {          CTime time = new CTime("2005-12-31");          time.printNextTime();      } }