Ultimately, you are the one who needs to do the learning, so what you get out of this site (or any other resource) depends on you. But when it comes to getting help with specific Java questions or problems, I think JavaRanch is the best resource available.
Have you installed Java on your machine? Have you run a "Hello World" program? Do you have an introductory book?
"We're kind of on the level of crossword puzzle writers... And no one ever goes to them and gives them an award." ~Joe Strummer sscce.org