swing Archives - Page 2 of 4

Difference between java.exe and javaw.exe

April 8, 2022
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How change the color arrowIcon to JMenu when it is selected

when i mouse-over it, it loses the color that i have set for it. This is because MetalTheme of MetalLookAndFeel ignores BasicLookAndFeel color settings as follows. /* @see javax/swing/plaf/metal/MetalIconFactory.java ...

April 8, 2022
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Getting a HeadlessException: No X11 DISPLAY variable was set

April 7, 2022
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error upon assigning Layout: BoxLayout can’t be shared

April 7, 2022
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Simple Java 2D graphics: draw a rectangle?

To draw a rectangle in Swing you should: First of all, never draw directly in the JFrame or other top-level window. Instead draw ...

April 7, 2022
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Resizing image in Java

If you have an java.awt.Image, rezising it doesn’t require any additional libraries. Just do: Image newImage = yourImage.getScaledInstance(newWidth, newHeight, Image.SCALE_DEFAULT); Ovbiously, replace newWidth and newHeight with the dimensions of the specified ...

April 6, 2022
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Java: Rotating Images

April 6, 2022
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JOptionPane YES NO OPTION

You should actually take the result from the option pane: dialogButton = JOptionPane.showConfirmDialog (null, "Are you sure?","WARNING", dialogButton); Otherwise, it remains set to ...

April 5, 2022
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How do I draw a triangle?

April 5, 2022
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Java: Difference between the setPreferredSize() and setSize() methods in components

Usage depends on whether the component’s parent has a layout manager or not. setSize() — use when a parent layout manager does not exist; ...

April 5, 2022
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