ITPEC FE Morning April 2019 Question 50
ITPEC FE Morning April 2019 — Question 50 of 80
Refactoring — changing internal code structure without altering external behavior.
Refactoring improves maintainability, readability, and design while keeping functionality identical. It is a core practice in agile development.
Why not others:
- (b) Pair programming — two programmers working together on one program
- (c) Prototyping — creating an early prototype to get user feedback
- (d) Test-driven development (TDD) — writing test cases before coding
Key rule: Refactoring = internal change only, external specs stay the same.
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