I would like to enter in a JFormattedTextfield with a Maskformatter digits for inserting time units (min:sec with mask ##:##) from Right to the Left. I used Set
I'm trying to change the values of bar chart depending on the selected item from the combobox list. The code below is a short example. The method for creating/u
I am trying to validate that when the column step is equal to 2 the row is copied to another JTable. But the jtable_step2 I have not initialized correctly, that
Does SwingUtilities.invokeLater provides synchronization? Example: public class Threads { public static void main(String[] args) { new Thread(new Ru
I don't know which is the best layout to use for this image, I think maybe grid layout (5*1) may be helpful but I can't add multiple components in one grid layo
The bug is hard to explain so I will add images to show my problem. As you can see in the provided picture the interface is completely empty. Does anyone know h
This is the scenario, My JFrame has a button it will open a JDialog when click it and it is a model dialog. JDialog has another button and i want to open anoth
Well, this code actually run but ended up with wrong output (specifically in "Randoms" cases) Note: it has a random generator for a random result or output I
I want to add an ImageIcon to the Panel, but I got this Exception ( java.lang.NullPointerException: Cannot invoke "java.net.URL.toExternalForm()" because "locat
I have a JMenu which will include JMenuItems that are generated on start-up from a database. As such, it's quite likely that the menu will be too large and run
I'm stuck trying to figure out how to read from a Java file into a JFrame. I need to make a frame and read in the names of cars and how much they cost. From the
Can someone provide me an example of a Swing Timer stopwatch GUI in Java using a constantly-updating JLabel? I am not familiar with using @Override, so please
I'm trying to make it when you click the cameraButton, the graphics show, but when clicked again, it closes. @Override public void paintComponent(Graphics g
According to this video https://www.youtube.com/watch?v=n_Y7r-7GxDo I need to place the icons in the main package. Even after this, I get the same error packa
I'm having trouble adding items to a JList called lstContacts whenever a button is pressed. When I press my new contact button, a line should be added to lstCo
According to this video https://www.youtube.com/watch?v=n_Y7r-7GxDo I need to place the icons in the main package. Even after this, I get the same error packa
I know this question has been asked, but I failed to find a solution. I created a JFrame for Login and I want after the button "Cont Nou" is
I was trying to achieve the end result required in Setting an arbitrary width in GridBagLayout. For easy reference, here it is: This is the current result:
I have implemented pagination in JTable, in that there is row sorting as well. My problem comes when I click on the column header for sorting it sorts the curre
I had build big application for my client in Android. The new project is to build the same app for PC in Java. So i have started developing with use of swing.