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Do comments affect code performance?
In Lexical analysis, comments are skipped, it is basically like you didn’t write anything. So no, they do not affect performance in any way.
Why don’t you have too many comments in code?
Too many times comments are just an excuse for writing bad code. Instead of writing good code, programmers believe that if they write dirty code with some weird hacks, and describe it with a 5 lines of comments — that the code is readable and well written.
Do comments get compiled?
5 Answers. Comments are normally stripped out during preprocessing, so the compiler itself never sees them at all. They can (and normally do) slow compilation a little though–the preprocessor has to read through the entire comment to find its end (so subsequent code will be passed through to the compiler.
How many comments should my code have?
You should comment exactly as much as you love your work! If you love your code a lot; go ahead and write your heart out all over the code. If you do not love your code at all, please do not write any comments, no one needs any more from you!
What should be the end of a Javadoc comment?
Explain local variable declarations with and end-line comment. Every class and method should be preceded with a descriptive comment using the “JavaDoc” notational convention. In the class, the comment should name the class, describe its purpose, and name the author. /** * Hello1 — program to print “Hello World”.
When to ignore documentation comments in the doclet?
Documentation comments are recognized only when placed immediately before module, package, class, interface, constructor, method, or field declarations. Documentation comments placed in the body of a method are ignored. Only one documentation comment per declaration statement is recognized.
Where to find documentation comments in JavaScript?
Documentation comments placed in the body of a method are ignored. Only one documentation comment per declaration statement is recognized. For historical reasons, the documentation comment for a package may instead be provided in a file called package.html in a source directory for the package.