Answer 1

Java Database Connectivity (JDBC) is an application programming interface (API) for the programming language Java, which defines how a client may access a database. It is part of the Java Standard Edition platform, from Oracle Corporation.
The best thing is to gather as much information as possible: the Internet, books and so on. Do not get frustrated. If you have any doubts get them cleared on public forums on the Web or hire a teacher for better understanding.

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