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- What is the difference between Swing and AWT? - Stack Overflow
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 uses AWT to create an operating system window and then paints pictures of buttons, labels, text, checkboxes, etc , into that window and responds to all of your mouse-clicks, key entries, etc , deciding for itself what to
- 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 requires it at java awt GraphicsEnvironment
- Java Cant connect to X11 window server using localhost:10. 0 as the . . .
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
- No X11 DISPLAY variable - what does it mean? - Stack Overflow
export JAVA_TOOL_OPTIONS='-Djava awt headless=true' After that if the problem still persists, removing all packages that may interfere may be a radical solution
- What is the benefit of setting java. awt. headless=true?
There is no performance benefit of setting java awt headless=true if you're not using AWT features AWT features are loaded on-demand As explained in the linked article, headless mode is useful for accessing some Java graphics features which are normally delegated to the graphics host: After setting up headless mode and creating an instance of the headless toolkit, your application can
- Java Event-Dispatching Thread explanation - Stack Overflow
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 java awt EventQueue invokeLater and javax swing SwingUtilities invokeLater methods are a way to provide code that will run on the event queue Writing a UI framework that is safe in a multithreading environment is very difficult so the AWT
- How to Change Font Size in drawString Java - Stack Overflow
The answer below is mostly right Start with the question slightly reworded How do I change the font size of a g or g2d drawstring object? First create your g (or g2d) drawstring object String string = "Hello World"; then create a Font object Font stringFont = new Font( "SansSerif", Font PLAIN, 18 ); Next set the Font object to the g or g2d object g2d setFont( stringFont ); Now apply the g2d
- java - CMake could not find JNI - Stack Overflow
0 The FindJNI module in CMake determines if Java is installed and where the include files and libraries are Some features like AWT are not in the Jvm bundled with the Android The solution is to remove the REQUIRED argument and check if your variable is set
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