title: get next day java.sql.Date
body: <p>I have a Date object (<code>java.sql.Date</code>). I need to get 12 at night of that day. So I can create a time period from current time to end of the day. </p>
  
  <p>How can I calculate that time with <code>java.sql.Date</code>. Please send me an example.</p>