can timestamp be given null values

[neha priya]

hello everyone,

my query is that can timestamp take null value??

suppose i have a date combobox that is initially set to null value.
if someone doesn't provide any value in the datecombobox and leaves it null then will this statement run?[size=12]

  Timestamp  startTime = new Timestamp(startDateCombo.getDate().getTime()); 

please suggest me some method how can i provide null value or empty value to datecombobox and be able to compile it successfully.

thanks.

[/size]

[Martin Vanyavchich]

Hi,

I'm not sure if I understand all the implications but I think this should work.

Timestamp  startTime = new Timestamp( (startDateCombo == null )?0:startDateCombo.getDate().getTime());

For code readibility you could expand that in a full if statement

[neha priya]

thanks for replying....i tried what you suggested i.e.

   startTime = new Timestamp( (startDateCombo == null )?0:startDateCombo.getDate().getTime());  

but during runtime am getting:java.lang.NullPointerException

please suggest how do i resolve this..

[Rob Spoor]

I don't think it's startDateCombo that will be null but startDateCombo.getDate. So:

Date startDate = startDateCombo.getDate();
startTime = (startDate == null ? null : new Timestamp(startDate.getTime()));

Note that I have chosen to make the entire Timestamp null rather than give it a time of 0.

[buntha Choudhary]

we can provide the default value for the comboBox with current date , if in case no value is being provided.