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java - adding components dynamically in a JPanel

how can i add components dynamically in a jpanel? I am having add button when i click the button the components should be added to the JPanel.

my question is that adding a textfield and button to jpanel when i click on the add button the user can click on the add button any number of times according to that i have to add them to the jpanel. i have added to scrollerpane to my jpanel,and jpanel layout manager is set to null.

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Just as you always do, except that you have to call:

panel.revalidate();

when you are done, since the container is already realized.


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