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In my Java app, I have a JFrame window, how can I minimize it from my Java program ?
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For hiding a JFrame, setVisible(false) is correct (and again besides the deprecated hide() again the only way). Depending on if you plan to eventually reuse the frame (show it again in future) you may additionally want to additionally call dispose() if you will not show the frame again.
setSize() and frame. pack() . You should use one of them at one time. Using setSize() you can give the size of frame you want but if you use pack() , it will automatically change the size of the frames according to the size of components in it.
Select all components of JFrame, right click, select 'Auto Resizing', check for both Horizontal and Vertical, close . Show activity on this post. Calling pack() will usually result in the window being resized to fit the contents' preferred size.
We can close the AWT Window or Frame by calling dispose() or System. exit() inside windowClosing() method. The windowClosing() method is found in WindowListener interface and WindowAdapter class.
minimize with frame.setState(Frame.ICONIFIED)
restore with frame.setState(Frame.NORMAL)
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