I suspended learning JDBC, concurrency and other stuffs because I wanted to start to learn Java EE.
I think JDBC is important. Though its low level and detailed, thats where one learns the basics of data access using Java. I feel it is a required foundation for JPA, EJB, Spring JDBC, etc. Java Threads and concurrency is another important concept in a similar way. Web and enterprise applications are all about concurrent access. The third one is the network programming.
Yes, Java has a lot to learn about!
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I think JDBC is important. Though its low level and detailed, thats where one learns the basics of data access using Java. I feel it is a required foundation for JPA, EJB, Spring JDBC, etc. Java Threads and concurrency is another important concept in a similar way. Web and enterprise applications are all about concurrent access. The third one is the network programming.
Yes, Java has a lot to learn about!