What are some common use cases for ArrayList in Java?
An example of an AI chatbot conversation about common use cases for ArrayList in Java.
What are some common use cases for ArrayList in Java?
ArrayList is commonly used for dynamic arrays, where the size can change. It's great for storing lists of items.
Can you give me an example of when to use ArrayList over an array?
Sure! Use ArrayList when you need to frequently add or remove elements, as it automatically resizes.
What are the performance implications of using ArrayList?
ArrayList offers O(1) time complexity for access but O(n) for insertions and deletions, especially in the middle.
Are there any limitations to using ArrayList?
Yes, ArrayList is not synchronized, so it's not thread-safe. For concurrent access, consider using CopyOnWriteArrayList.
What about memory usage with ArrayList?
ArrayList can consume more memory than a regular array due to its dynamic resizing and overhead.
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