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How to eat a room-sized pizza using Java.
The professional approach to software development.
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How do you eat a room-sized pizza?
Break the problem down into smaller pieces. Chunking a business problem: As a truck stop sets the price on their pumps they want the same price to display on their website.
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Waterfall Write exact requirements which are then implemented.
Perfect for highway construction and building sky scrapers. Not so good for software, human resources, or child rearing. Why?
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Agile Each cycle accomplishes a specific chunk.
Plan Do Act Check Repeat This is a great in-class exercise for students to experience the agile process and philosophy. Here is the presentation you can use during the activity: Each cycle accomplishes a specific chunk. Each cycle makes the program a little bit better. Work from simple to complex.
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Play Battleship Which is more accurate?
Play the game here out on GitHub: Use this as a classroom guide for this lab: Waterfall – Make 40 guess then get feedback. Agile – Get feedback after each iteration. Which is more accurate?
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How would you solve this problem?
How would you solve this problem using Agile? When a truck stop sets the price on their pumps they want the same price to display on their website.
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Apply this to your own code...
Visualize – Begin with the end in mind. – Stephen Covey Chunk your code – using stubs Document as you go – Use JavaDoc type comments /** */ PDCA - Write, test, evaluate, write some more. Go through the Lab: Java Workflow to see this in action. (Pssst, you will use these methods with all programming languages...)
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Summary Solving problems – What’s a smart approach? Waterfall vs Agile
Which is better for building a football stadium? Writing software? Writing Software What should you always keep in mind? What is the best way to “build” a program?
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Credits Instruction design by Peter Johnson – WebExplorations.com
Web: Revised:
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