tagged [swing]
How to present a simple alert message in java?
How to present a simple alert message in java? Coming from .NET i am so used calling Alert() in desktop apps. However in this java desktop app, I just want to alert a message saying "thank you for usi...
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- 1 Mar at 10:51
How to "Open" and "Save" using java
How to "Open" and "Save" using java I want to make an "Open" and "Save" dialog in java. An example of what I want is in the images below: Open: ...
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- 25 Oct at 18:51
How to set background color of a button in Java GUI?
How to set background color of a button in Java GUI? Below is the code which creates 9 buttons in gridlayout form on a specific pannel3. What i want is to make the background of each button black with...
The Use of Multiple JFrames: Good or Bad Practice?
The Use of Multiple JFrames: Good or Bad Practice? I'm developing an application which displays images, and plays sounds from a database. I'm trying to decide whether or not to use a separate JFrame t...
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- 22 Jul at 04:16
Format a number as currency in a JTable?
Format a number as currency in a JTable? Given a JTable where one of the columns contains a number, how do I display this number as a currency? I.e. 5 should display as $5.00 etc. Can this be done dir...
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- 19 Apr at 18:43
How to set JFrame to appear centered, regardless of monitor resolution?
How to set JFrame to appear centered, regardless of monitor resolution? While working with Java, I find it hard to position my main window in the center of the screen when I start the application. Is ...
getting integer values from textfield
getting integer values from textfield I am trying to get Integer values from my jtextfield but not able to it is showing incompatible datatypes required int found string. Is there some other way of wr...
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- 5 Jan at 06:34
JFrame background image
JFrame background image I am creating a simple GUI, and I want to have a background image (2048 X 2048) fill up the whole window and a square to the left top corner where the occasional 64 X 64 image ...
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- 21 Dec at 20:33
How do you add an ActionListener onto a JButton in Java
How do you add an ActionListener onto a JButton in Java How do I add action listeners to these buttons, so that from a main method I can call `actionperformed
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- 27 Jul at 15:35
How to Set Focus on JTextField?
How to Set Focus on JTextField? I make my game run without mouse so using pointer is not a choice. High Score menu will show when player lose. this is my code I have tried ``` highScore.setFocusable...
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- 17 Jul at 10:50
How to make a JFrame button open another JFrame class in Netbeans?
How to make a JFrame button open another JFrame class in Netbeans? I have a `JFrame` class and it was made in the design section on Netbeans. I am trying to make a log in button that takes closes the ...
Java: Difference between the setPreferredSize() and setSize() methods in components
Java: Difference between the setPreferredSize() and setSize() methods in components What is the main difference between `setSize()` and `setPreferredSize()`. Sometimes I used [setSize()](http://docs.o...
JFileChooser.showSaveDialog(…) - preserve suggested file name after changing directory
JFileChooser.showSaveDialog(…) - preserve suggested file name after changing directory There are already some questions about how to set a [default file name](https://stackoverflow.com/questions/35667...
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- 23 May at 12:11
Adding items to a JComboBox
Adding items to a JComboBox I use a combo box on panel and as I know we can add items with the text only But some times I need to use some value of the item and item text like in html select: Is there...
How do I change JPanel inside a JFrame on the fly?
How do I change JPanel inside a JFrame on the fly? To put it simple, there's a simple java swing app that consists of JFrame with some components in it. One of the components is a JPanel that is meant...
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- 26 Feb at 06:17
Triangle Draw Method
Triangle Draw Method I have trouble drawing a triangle with the `draw(Graphics g)` method in Java. I can draw a rectangle like so: Where p represents "the top left corner of the shapes". How would I
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- 16 May at 22:18
Java Swing or Windows Forms for desktop application?
Java Swing or Windows Forms for desktop application? I am writing a fat client application that I would ideally like to be cross-platform, but may settle for Windows-only based on the following: - - -...
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- 19 Feb at 22:37
Getting a HeadlessException: No X11 DISPLAY variable was set
Getting a HeadlessException: No X11 DISPLAY variable was set ``` Exception in thread "main" java.awt.HeadlessException: No X11 DISPLAY variable was set, but this program performed an operation which...
JComboBox Selection Change Listener?
JComboBox Selection Change Listener? I'm trying to get an event to fire whenever a choice is made from a `JComboBox`. The problem I'm having is that there is no obvious `addSelectionListener()` method...
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- 8 Jan at 13:30
How to set a transparent background of JPanel?
How to set a transparent background of JPanel? `JPanel` My frame is has two `JPanel`s: - - is overlapping . The is working as a background and it loads image from a remote URL. On I want to draw sha...
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- 21 Sep at 13:18
Making a component less sensitive to Dragging in Swing
Making a component less sensitive to Dragging in Swing A `JComponent` of mine is firing a `mouseDragged` event too vigorously. When the user is trying to click, it interprets is as a drag even if the ...
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- 6 Feb at 21:27
Get combobox value in Java swing
Get combobox value in Java swing I need to get the integer value of the combobox in Swing. I have set an integer value as id for the combobox.I tried combobox.getSelectedItem() and combobox.getSelecte...
Java - Check if JTextField is empty or not
Java - Check if JTextField is empty or not So I got know this is a popular question and already found the solution. But when I try this it doesn't work properly. My JTextField is empty and the button ...
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- 16 Jun at 12:19
JOptionPane Yes or No window
JOptionPane Yes or No window I am trying to create a message with a Yes or No button. Then a window will appear with a certain message that depends on if the user clicked Yes or No. Here is my code: ...
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- 6 Dec at 15:54
How to add text to JFrame?
How to add text to JFrame? So I am designing a JFrame using Eclipse WindowBuilder. This specific frame is an error message stating that the user provided invalid credentials. I have added a button to ...
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- 1 Dec at 18:55