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Test-Driven Development (TDD)

Simple Definition for Beginners: Test-Driven Development (TDD) is a software development approach where tests are written before the actual code, guiding the development process by focusing on small, incremental improvements. Common Use Example: In Test-Driven Development (TDD), a developer starts by writing a failing test that specifies the desired behavior. They then write code to pass that test, followed by refactoring to improve the code while ensuring that all tests continue to pass. Technical Definition for Professionals: Test-Driven Development (TDD) is an iterative software development methodology where developers write automated tests before writing the actual code. The TDD cycle typically follows these steps: · Write a failing test case that defines the desired behavior or functionality. · Write the minimum amount of code necessary to pass the test. · Run the test suite to confirm that the new test passes and existing tests remain passing. · Refactor the code to improve design, readability, and maintainability without changing the behavior. · Repeat the cycle by writing another failing test for the next desired feature or improvement. TDD aims to improve code quality, reduce bugs, and encourage a modular and testable codebase. It emphasizes continuous feedback, rapid iteration, and incremental development, leading to more predictable and maintainable software.

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