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OK, we aren t mind readers, and for all we know the assessors are thinking about last night s Bellbottom Bowling party as they mark your exam. But we do know one thing: they aren t looking to see how clever an algorithm designer you are! If anything, it s just the opposite. When you think of the Developer exam, don t think Lone Ranger. Instead, think Team Player. And don t even think about showing off your programming prowess by revising the specification to do something even better and cooler than what s asked for. There s a saying we have in the software world, and it will serve you well to remember it while building your Developer project: Code as if the next guy to maintain it is a homicidal maniac who knows where you live.
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The exam assessors aren t thinking like my-algorithm-is-bigger-than-yours code mavericks. They aren t looking for the next great breakthrough in record-locking. They aren t even looking for new, creative implementations. They are looking for development that says, I m a thoughtful programmer. I care about maintainability. Readability is very important to me. I want everyone to understand what s going on with the least amount of effort. I write careful, correct code. My code might not be the snappiest, and it might even incur an extra few bytes in order to make something less complex, but my logic is simple, my code and my design are clear and implement the specification perfectly, I didn t reinvent the wheel anywhere, and gosh wouldn t you just love to have me on your team If your project submission says all that about you, you re in great shape.
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The exam assessor looks at your code first from an entirely selfish perspective by asking, Is this easy for me to evaluate s 16 and 17 offer insight into what you need to do to make the assessor s job easier. Trust us on this one they d rather be at the beach (or skiing, mountain-biking, taking a Martha Stewart crafts workshop) than spending unnecessary time figuring out how to get your assignment working. Beginning with the refreshed exam assignments at the end of 2002, the requirements changed to make the submission rules much more strict, in order to benefit the assessor. If at any time you neglect to follow even a single submission requirement say, the directory structure of your project puts the user documentation in a different folder you ll be failed on the spot. The assessor won t make any allowances for misplaced files, even if the program still runs perfectly. Don t make them go looking for something. Another aspect of making the assessor s life easier is what you ll learn in s 11 and 12. The little things really matter! For example, while you might think if you indent your code four spaces that an occasional three-space indentation here and there is OK, what s the harm in that The harm is in readability, and while a couple of inconsistencies in indentations might not be a big deal, adhering to the Java Coding Conventions is absolutely crucial for others looking at your code especially the assessor. We ve seen people fail the exam because they put the curly braces on the line below the method declaration rather than immediately following the declaration (on the same line), violating the official Java Coding Conventions. While this infraction alone probably might not cause you to fail, the points deducted for code convention violations might be the ones that sink you where you otherwise might have squeaked by. You don t get to make very many mistakes in this exam. Just
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