What is the difference between pass by value and pass by reference in programming?
An example of an AI chatbot conversation about performance differences in pass by value and pass by reference.
What is the difference between pass by value and pass by reference in programming?
Pass by value means a copy of the variable is passed, while pass by reference means a reference to the original variable is passed.
How does this affect performance?
Pass by reference can be more efficient for large data structures since it avoids copying the entire structure.
Are there any downsides to using pass by reference?
Yes, modifying the referenced variable can lead to unintended side effects, making debugging harder.
Which method is generally preferred?
It depends on the context; use pass by value for small data types and pass by reference for larger structures.
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