a better way to learn refactoring
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A Better Way To Learn Refactoring
@rafael_sperling
@rafael_sperling
● Long Method● Large Class● Primitive Obsession● Long Parameter List● DataClumps● Switch Statements● Temporary Field● Refused Bequest● ...
Bad Code Smell Examples
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● Single-Line Statements● Block Statements● Methods● Classes
Different Levels of Refactoring
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● Extract method for only one responsability● Eliminate duplication through
decomposition● Allow for decomposition without
drawbacks of duplication
The Ultimate Goal for Refactoring
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● For every number from 0 to 100,○ If it is divisible by 3, print "Fizz",○ If it is divisible by 5, print "Buzz",○ If it is divisible by 3 and 5, print "FizzBuzz"
FizzBuzz & The Art of Refactoring
@rafael_sperling
@rafael_sperling
Eliminate Duplicate Write Lines Calls
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Eliminate Duplicate Write Lines Calls
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Extracted isFuzzi and isBuzzi Variables
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Invert IF Statements
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Extract Display Actual Number Method
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Extracted Run Method
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Moved FizzBuzz Region Into Separate Class
Referenceshttps://vimeo.com/43659053
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