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What are some examples of good and bad comments in C++?

An example of an AI chatbot conversation about good and bad comments in C++ programming.

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You

Can you give me examples of good and bad comments in C++?

MagicBuddy
MagicBuddy

Sure! A good comment explains why a piece of code exists. For example: '/// Calculate the area of a circle given the radius.' A bad comment might just restate the code: '/// This function adds two numbers.'

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You

Why is the first comment better than the second?

MagicBuddy
MagicBuddy

The first comment provides context and purpose, helping others understand the code's intent. The second comment is redundant and doesn't add value.

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You

Can you show me more examples?

MagicBuddy
MagicBuddy

Of course! Good comment: '/// Initialize the counter to track user logins.' Bad comment: '/// This is a counter.' The first explains its purpose, while the second is vague.

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You

What should I avoid when writing comments?

MagicBuddy
MagicBuddy

Avoid comments that are obvious, outdated, or misleading. Always aim for clarity and relevance.

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