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Hi I am thinking of making a spreadsheet like program with JTable using custom Table Model. I googled for tutorials but most of them are related with sql which I don't really understand at this level...

I think I have found the solution. instead of using a class variable of string type I chose to use a local string variable in a method. in this was the variable gets destroyed each time execution of...

Thanks for your reply. I have tried what you said here. but there is a problem with this solution. it works fine first time I click the calculate button. but when I click the button second time the...

Hi everyone, I am trying to build a program that will estimate download time for a given file size and internet speed. user will use a simple GUI interface with two text field (to input filesize and...

Well, can I use JFrame simply by importing all of the swing classes without extending an existing class to JFrame? I am sorry if my question doesn't make sense but I am a newbie in java programming...

Is it possible to use all the components of Swing class such as JFrame without extending an existing class to JFrame? if so why then programmers usually extend their classes to JFrame class and...

Nope, forgot it but after you've reminded me of casting integer, I did it and the code worked. Thank you so much.

I need to extract the whole number digits from a number that has decimal point. for example I need only the first 3 digits of a number like 143.454369 which will be 143. I can get it by dividing it...