code for cleaning variables?

[Ak-Emm]

Question to experts

what i wanted to know if there is a code to erase variables
like when you enter data or numbers in a text field

and you want to clear that error by pressing either (A/C) or (erase) buttons

your Help

thanks

[Fubarable]

Hm, I'm not sure I fully understand here. Do you mean to clear the contents of a JTextField? If so, there's the setText("") method that would work nicely. If not, then you'll have to clarify this a bit more. HTH.

[Ak-Emm]

yes exactly
that method is what i mean

string s
get.txtValueA
Value A=Integer.parseInt sort of

the code to clear the text fields

thanks if you have the solution

[Fubarable]

um... that is the solution. You call setText("") on your JTextField when you want to clear it.

[Ak-Emm]

Just relieved thanks

ok so how would you assign this to a button function ? with the example above?

[fishtoprecords]

ok so how would you assign this to a button function ? with the example above?

Most folks use an IDE, such as NetBeans to write the code. In NetBeans, you click on the button, and right click to generate a function. You put your calls to whatever you need inside the function that NetBeans writes

[Fubarable]

Just relieved thanks

ok so how would you assign this to a button function ? with the example above?

Since you are just now learning Swing, I advise against using NetBeans or similar to generate Swing code. Better at this stage would be for you to create all your own Swing code, and later after you are more familiar with what Swing does, then fine go ahead and use NetBeans.

But as to your question, you will need to add an ActionListener to the button that has the code that you want processed when the button is pressed. To learn how to do this (and to learn more about Swing in general) please check out the Sun Swing tutorials:

The Sun Swing Tutorials
The ActionListeners tutorial

[Ak-Emm]

meaning i type the code after assigning the code generation of the text variables
i.e txtNumber 1
txtNumber2 when i right click the button (erase) for example

[fishtoprecords]

Since you are just now learning Swing, I advise against using NetBeans or similar to generate Swing code. Better at this stage would be for you to create all your own Swing code, and later after you are more familiar with what Swing does,

Clearly my friend @Fubarable and I have a different viewpoint.
Clearly you can do what he suggests. But I find a lot of Swing to be ugly and repetitive, so I much prefer to have the IDE solve the boring administrative tasks and focus on the domain stuff.

YMMV, of course

[Ak-Emm]

thanks ill check it out now

[Ak-Emm]

oh That site ive tried to understand it through but still getting errors thats why im posting questions here through your expertise off course to understand better
I use NetBeans 5.5 and Forte Java 4

[Fubarable]

But I find a lot of Swing to be ugly and repetitive, so I much prefer to have the IDE solve the boring administrative tasks and focus on the domain stuff. YMMV, of course

I don't disagree here at all, and I think it is fine to use NetBeans to get away from some of the grunt work associated with Swing coding.

But having said that, I know that I have seen (and I'm sure that you have too) many posts in this and other Swing fora filled with problems from folks who use NetBeans to generate their Swing code but who run into brick walls because they just don't understand what that Swing code is doing. All I'm saying is to learn Swing for say a month or four, and then, fine, let NetBeans do the dirty work.

[Norm]

I've found that knowing what goes on under the covers to be very useful. Keeps it from being FM.

[fishtoprecords]

Knowning FM is what justifies my salary :D