What is the difference between strong and weak references in programming?
An example of an AI chatbot conversation about strong vs weak references in programming.
Can you explain the difference between strong and weak references in programming?
Sure! Strong references prevent the referenced object from being garbage collected, while weak references allow it to be collected.
Why would I use weak references instead of strong references?
Weak references are useful for caching and avoiding memory leaks, as they don't prevent the object from being collected.
Can you give me an example of when to use a weak reference?
Certainly! In a cache system, you might use weak references to allow cached objects to be collected when memory is low.
Are there any performance implications of using weak references?
Yes, using weak references can introduce overhead due to the need for additional checks during garbage collection.
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