Jan 3, 2009 · AWT is a Java interface to native system GUI code present in your OS. It will not work the same on every system, although it tries. Swing is a more-or-less pure-Java GUI. It …

Exception in thread "main" java.awt.HeadlessException: No X11 DISPLAY variable was set, but this program performed an operation which requires it. at java.awt.GraphicsEnvironment.

Jul 20, 2012 · I'm having an issue with Threads using netbeans Swing GUI. This is my first time really trying to develop a GUI for a backup program using Java's File System Notifier. I have …

Now I just get "Exception in thread "main" java.awt.AWTError: Can't connect to X11 window server using 'localhost:1.0' as the value of the DISPLAY variable." on Ubuntu 16.04.

Sep 9, 2011 · AWT, Swing and SWT are UI toolkits but I would certainly not call them "frameworks". Frameworks are based upon a given UI toolkit and provide the glue to build …

Aug 8, 2024 · The event dispatch thread is a special thread that is managed by AWT. Basically, it is a thread that runs in an infinite loop, processing events. The …

Apr 4, 2020 · Seen some examples, but they are not very clear, I only need fonts for one task in my application so what I would like to know is a minimal valid fontconfig.properties file on a …

There is already question like this link on StackOverflow and the accepted answer is "casting": Image image = ImageIO.read(new File(file)); BufferedImage buffered = (BufferedImage) …

Dec 26, 2012 · I heard that when we use awt or swing, while creating a FRAME, an unchecked exception may be thrown which is "Headless exception". I never got this exception. Can …

Mar 12, 2010 · the "awt" package is no different then any other package, you need an "import" statement. Look at any other example in the book or forums to see how they are coded.