What are some common Java Collections interview questions?
An example of an AI chatbot conversation about Java Collections interview questions.
What are some common Java Collections interview questions?
Some common questions include: 1. What is the Java Collections Framework? 2. Explain the difference between List, Set, and Map. 3. How does HashMap work?
Can you explain the difference between List and Set?
Sure! A List allows duplicate elements and maintains insertion order, while a Set does not allow duplicates and does not guarantee order.
What is the purpose of the Iterator interface?
The Iterator interface provides a way to traverse a collection without exposing its underlying representation.
What is the difference between ArrayList and LinkedList?
ArrayList is backed by a dynamic array, making it faster for random access, while LinkedList is a doubly-linked list, making it better for insertions and deletions.
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