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ch10 - Part II The Developer’s Exam CHAPTERS 10...

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Unformatted text preview: Part II The Developer’s Exam CHAPTERS 10 Introduction to the SCJD 11 Coding Standards 12 Clarity and Maintainability 13 Designing the Graphical User Interface 14 Networking Issues 15 Database Issues 16 Exam Documentation 17 Final Submission and Essay 10 Introduction to the SCJD CERTIFICATION OBJECTIVES • Understand the Sun Certified Java Developer Exam Process 4 Chapter 10: Introduction to the SCJD CERTIFICATION OBJECTIVE Understand the Sun Certified Java Developer Exam Process OK, so now you know everything about the language. But can you actually build something in it? You’ll hear that argument from some who’ve never taken (or passed) the programmer’s exam. Obviously, they don’t understand how darn difficult the programmer’s exam actually is, but nonetheless there is something to the claim that, “just because you know how the compiler and VM work does not mean you can develope software.” The Developer exam, which is unique in the IT exam world, lets you answer that question (most often posed by a prospective employer). In the Developer exam, you get to put your code where your mouth is by developing a software application. In fact, the Developer exam isn’t even a multiple-choice test but rather a project that you build, given a (somewhat sketchy) specification. You’re told what to build, with some general guidelines, and then it’s up to you to implement and deliver the program. You have an unlimited amount of time in which to finish the project (as of this writing), but there is a short follow-up essay exam (taken at an authorized testing center, just as the Programmer exam is). The follow-up questions are largely used to verify that it was you (not your hotshot programmer brother-in-law who owed you big time) who did the work. In other words, the follow-up exam asks essay questions that only the project developer could answer (for example, “Justify your design choice on…”). First, we’ll lay out the facts of the exam—how it works, how you do it, etc., and then we’ll dive into what you need to know to pass it. Keep in mind that the actual knowledge you need to pass cannot be stuffed into a book this size, even if we made the book big enough to crush a car. Being a programmer is one thing, but being a developer is quite another. And you can’t become a developer just by memorizing some facts. Study and memorization can work for passing the Programmer’s exam— but that’s OK because the programmer’s exam is designed to verify that you’re smart and that you really know the language. A prospective employer doesn’t have to train you in Java if you’ve passed the programmer’s exam. But if your employer wants to verify that you can follow a spec and implement a well-designed, maintainable, correct application, then you need either previous experience successfully building one or more Java applications or you need to pass the SCJD. The next seven chapters (in other words, the rest of the book) show you what...
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ch10 - Part II The Developer’s Exam CHAPTERS 10...

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