What are the common data structures in Java?
An example of an AI chatbot conversation about data structures in Java.
What are the common data structures in Java?
Common data structures in Java include arrays, linked lists, stacks, queues, trees, and hash tables.
Can you explain the difference between an ArrayList and a LinkedList?
Sure! An ArrayList is backed by an array and allows fast random access, while a LinkedList consists of nodes and allows efficient insertions and deletions.
When should I use a HashMap?
Use a HashMap when you need to store key-value pairs and require fast retrieval based on keys.
What is a binary tree?
A binary tree is a data structure where each node has at most two children, referred to as the left and right child.
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