How to call some function by pressing Enter in JTextField

Hi
I have a following problem.
In my app existing two JTextFields tfField1 and tfField2
How to make when I type some text into tfField1 and press Enter the cursor will appear in tfField2?
Setting the cursor into tfField2 is not a problem, I have realized this with tfField2.requestFocusInWindow();
My problem is how to call this funktion [tfField2.requestFocusInWindow()] by pressing Enter on the keyboard

Thanks a lot
You are welcome.
>
I have an another question if you don't mindI don't mind at all. In the future, though, I recommend that you start a new thread if you have a completely different question.
>
I have 2 JFrames
In JFrame 1 i have a button which opens JFrame2
How to make that only JFrame2 will be active until it
will be closed (so when JFrame2 is opened i can't do
anything with the first JFrame1)
Use a modal dialog instead of the second JFrame. Almost as easy as the textfield problem :-)
You can read more about dialogs here:
[url http://java.sun.com/docs/books/tutorial/uiswing/components/dialog.html]How to Make Dialogs

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