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Try calling invalidate() or validate() or revalidate() after you add the JLabel. It's in the API, but I'm too lazy to look it up right now (just had a big lunch of Indian food, feeling fat and...

Honestly, your best bet is to read through the Swing tutorial.

But it sounds like you want to extend JPanel and override paintComponent() to do the drawing, then have a JTextField for user input,...

I don't really know what you're saying. Perhaps you should draw out a picture of what you want. I recommend you read through the Swing tutorial to get a handle on the different components at your...