How can I resize a JTextField? [closed]

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How can I resize a JTextField?

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If you look at the Javadoc, you'll see that JTextField derives from Component, and that has a setSize() method. If you don't have a layout manager then that's of use.

If you do have a layout manager, then setPreferredSize()/setMinimumSize()/setMaximumSize() is the way to go. See this SO answer for more details.

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The jtextfield tutorial tells you about setColumns(), which might be what you want. Otherwise, you might need to learn about how to use layout managers - here's a tutorial.