What are immutable collections and how are they used in real-world applications?
Immutable collections are data structures that cannot be modified after they are created. They are used in functional programming and can help prevent bugs by ensuring that data remains consistent.
Can you give me some examples of programming languages that support immutable collections?
Sure! Languages like Java, Scala, and C# have built-in support for immutable collections. For instance, Java has the Collections.unmodifiableList()
method.
What are the benefits of using immutable collections?
The benefits include easier reasoning about code, thread safety, and improved performance in certain scenarios, like caching.
Are there any downsides to using immutable collections?
Yes, the main downside is that they can lead to increased memory usage since a new collection is created for each modification.
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