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Dynamic 2d array size?

Derek Rose
Greenhorn

Joined: Apr 21, 2013
Posts: 10
i have a 2d array that i am filling with data from an sql database. I would like the table to only be as big as the size of the database. 24 rows fit in the JScrollPane before the auto scroll starts so 24 as a default could be ok...how do i change it so i dont get an out of bounds exception once i go past 24?




i tried to make a loop that went through the results first and stored an index value...but then the table displays blank.



then use length instead of 24





But just displays a blank table...it is the correct size table though
Derek Rose
Greenhorn

Joined: Apr 21, 2013
Posts: 10
sorry, dumb mistake i fixed it
Campbell Ritchie
Sheriff

Joined: Oct 13, 2005
Posts: 43949
    
  33
Derek Rose wrote:i have a 2d array . . .
No, you haven’t. You have an array of arrays, which is different. And better.

Never use == true or == false.
What a strange loop! Was that what you had to fix?
Derek Rose
Greenhorn

Joined: Apr 21, 2013
Posts: 10
I needed to execute a different query for each loop. And I started learning Java last month and your the third person to tell me my logic is weird. That's just the way the solution comes to me haha
 
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