Can you specify what you learned?
Did you learn OOP , inheritance , encapsulation , abstraction , polymorphism?
If you don’t know all of these things then take this course at lynda.com
Did you learn JDPC ?
This is how to connect to a database in java. If you don’t know it you should take this course
Do you know how to create a thread and run multi threaded application?
If not then take these courses : Course 1 - Course 2