Should I write comments for every line of code?
No. Good code should be self-documenting through clear variable and function names. Use comments only to explain *why* you did something complex, not *what* the code is doing.
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More FAQs in Writing Clean, Readable Code From Day One
Clean code reduces bugs, makes collaboration easier, and ensures that the codebase can be easily maintained and updated by others in the future.
A magic number is a hard-coded numerical value in code without explanation. It should be replaced with a named constant to provide context.
Yes. Messy code, poor indentation, and bad variable names signal to an interviewer that you might write unmaintainable code in a production environment.
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