How do I switch panels inside a frame depending on a button action?

If that's the case, it sounds like a CardLayout is what you need. You basically add all your JPanels to it with unique names, and then you can tell the CardLayout which of them to show.

Thank you, this sounds like good idea and I will give it a try. I never thought of this, I was trying assign a Jpanal variable to a content area pane and then change the value of Jpanel variable on the basis of button pressed. – ravi May 8 '09 at 17:31.

I think CardLayout is probably what you want, but if something like memory usage is a concern and you really want to remove and add a new JPanel/Component, you need to remove the old JPanel and add the new one (with proper constraints and/or index depending on the layout). You'll have to validate() the content pane after you make the switch.

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