helo guyz...do you know any sites to recommend where can i find java exercises (exercises w/ answers)..,,,it is our sembreak,,,and i want to do other stuffs bout programming to develop my mind more in programming....

buy a book

Or join to any of the online programming website ACM is hosting. You won't find the solution for most of the problems, but there are a lot of hints and helps available. Plus, they have a huge collection of problems. You will find them here: http://en.wikipedia.org/wiki/Online_judge

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