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Put together an example program with a text field and a Document listener and post it here with your questions.

That's correct there isn't one.
In the API doc page at the top of the page is a link: Index click that. On the index page, click on the first letter of the method here 'a', scroll down or find the...

Have you looked in the Tutorial or the API doc?

Do you have a java programming question?

Please copy full text of error message and paste it here. Here is a sample:

Look closely at this. Does this match any of the StringTokenizer constructors

You need to look at the error message more closely. Especially this line:
constructor StringTokenizer (java.lang.String[], java.lang.string)
Then you need to read the API doc for StringTokenizer...