I am beginner at java.I want to learn jdbc-oracle database subjects.By downloading jdeveloper and sqldeveloper I started but I couldnt connect database.So I want to start learning jdbc-oracle from begin.I need your advices.thanks.

You'll also need a database of course.
Oracle 10g Express will do. It's smaller than 11g by over a gigabyte and will work on home editions of operating systems.

JDeveloper and Oracle SQL Developer don't install that for you, you have to do it yourself.

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