What are weak references and why should I use them?
Weak references are references that do not prevent their referents from being collected by the garbage collector. They are useful for managing memory more efficiently.
Can you give me an example of when to use weak references?
Sure! A common use case is in caching. If you want to cache objects but allow them to be garbage collected when memory is low, weak references are ideal.
What are the downsides of using weak references?
The main downside is that weakly referenced objects can be collected at any time, which may lead to unexpected behavior if you're not careful.
Are there any specific programming languages that support weak references?
Yes, many languages like Java, Python, and C# support weak references, each with its own implementation.
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