Posts by Luis Henrique Hendges • 69 points
4 posts
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answer56
viewsQ: Nullpointer Exception during registration using MVC standard
I have a ready-made application that was created procedural, but for learning purposes I decided to reprogram it using object orientation and the MVC standard. During the registration of a publisher…
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votes1
answer42
viewsQ: Problem with data change class
I am trying to change data from my BD via Java application, but when I run the following code I get the error (You have an error in your SQL syntax; check the manual that Corresponds to your Mysql…
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votes1
answer1996
viewsQ: How to update a jTable that displays BD data after registering a new item?
I have a table (jTable) that displays all the data registered in a database. My table is filled every time the application is started through a Windowevent, but when I make a new registration in the…
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votes5
answers26088
viewsQ: Registration problem (Column Count doesn’t match value Count at Row 1)
I am having the error "Column Count doesn’t match value Count at Row 1" when I try to register. I already checked my comic book and everything seems to be in order but nothing to solve this mistake.…