These kind of questions are very generic. Just pick up 5 best tips you know our have implemented and say it before the interviewer. Below goes my 5
- Use stringbuilder as compared to normal string concatenation.
- Use stored procedure rather than inline sql code.
- Use caching for frequently used data.
- Use generics collection as compared to simple collection , to avoid boxing / unboxing.
- Remove unnecessary boxing and unboxing code.
- In case you are using unmanaged code use the dispose final function for clean up.
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