Hi, i'm working on an application cosisting of 7 individual jFrame screens. I was wondering, is it possible to code a button to go back to a previous screen, without removing any data a user has...

I've tried the follwing, but it doesn't compile - it says it can't overide the paint method:

public void paint(Graphics g) extends jLabel1 {
g.setColor(Color.green);
g.drawLine(600,335,290,290);...

Hi, I'm developing a GUI with several forms, one of which contains a jLabel that displays a JPEG image of a graph as it's icon. How do I go about plotting a simple 2d curve on that image from a set...

How do I code an IF loop to perform the following?:

if a > X
b = //a value//
else
b = //another value//

Thanks!!

I've written a Java application using Netbeans, and I was wondering if there is any way in which I can run this application using an executable file in windows rather then having to run it through...

Hi, how would I go about changing the mouse cursor image? I have a jLabel with an image of graph on it and I would likt the mouse cursor to change to a cross-hair when the mouse is moved onto the...

Hi, I'm creating a GUI in which users are required to interact with graphs. I have a jFrame on which I have put a jLabel and used this label to import a JPEG of a graph (i.e it's an icon). My problem...

Yes, calculations is defined elsewhere. However, when I add the code you provided me with(very grateful!!), the compiler returns with an error saying that an identifier is missing before the line of...

Still doesn't work, even with the modifications given above. I still work on it though, must be some way round it!!

Hi, it almost helps, but when I try and run the program, it comes up with:

Intake.java [189:1] <identifier> expected
calc = pram.getCalculator();
^
1 error
Errors compiling Intake.

I'm having a problem whereby I create an instance of a class called Calculations.class in one of my main classes, but cannot access that instance from any other class. Here is the code

public...

I'm programming a GUI and some frames require images to be displayed on them. How do I go about importing a simple jpeg onto a Jpanel within the GUI frame?

I'm having a problem with a GUI i'm building. I have a separate class called Calculations.class which does nothing except hold certain variables and do calculations with them. One of my classes...

I have a small problem with doing calculations in one java class and trying to refer to the varibles in another class. I have written a GUI program that performs certain calculations and then when a...

Hi, just wondering if anyone could help with a little problem. I'm designing a GUI that models the behaviour of a gas turbine engine. I need to add a graph i have scanned into my computer onto the...