What are the best practices for using collections in Java?
An example of an AI chatbot conversation about best practices for Java collections.
What are the best practices for using collections in Java?
When using collections in Java, it's important to choose the right type of collection for your needs, such as List, Set, or Map.
Can you explain when to use a List versus a Set?
Use a List when you need ordered elements and allow duplicates. Use a Set when you need unique elements without order.
What about performance considerations?
Consider the time complexity of operations like add, remove, and contains. For example, HashSet offers O(1) for contains, while ArrayList offers O(n).
Are there any specific methods I should avoid?
Avoid using methods that modify the collection while iterating over it, as this can lead to ConcurrentModificationException.
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