What are the common mistakes when using deep copy in programming?

What are the common mistakes when using deep copy in programming?

One common mistake is assuming that deep copy will handle all nested objects correctly, which can lead to unexpected behavior.

Can you give me an example of that?

Sure! If you have an object with nested arrays and you deep copy it, modifying the nested array in the original object won't affect the copied object, but if you mistakenly use shallow copy, changes will reflect in both.

How can I avoid these mistakes?

To avoid these mistakes, always use well-tested libraries for deep copying, and thoroughly test your code to ensure the behavior is as expected.

Are there any performance concerns with deep copying?

Yes, deep copying can be performance-intensive, especially with large objects. It's important to consider whether you really need a deep copy or if a shallow copy suffices.