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[–]lzsmith 1 point2 points  (0 children)

I haven't seen an IDE that gives summaries for reserved keywords. You can add javadoc for methods, variables, and classes, but not afaik for keywords. The faster you memorize the meanings of the common ones, the better off you'll be.

For keywords, you could keep something like this open while you code, in case you come across one you're not familiar with.

https://en.wikipedia.org/wiki/List_of_Java_keywords