What are the common data structures in Java?
An example of an AI chatbot conversation about common data structures in Java.
What are the common data structures in Java?
Common data structures in Java include arrays, linked lists, stacks, queues, hash tables, and trees.
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 is better for 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 Stack and how is it different from a Queue?
A Stack follows Last In First Out (LIFO) principle, while a Queue follows First In First Out (FIFO) principle.
Can you give me an example of a Tree data structure?
Certainly! A binary tree is a common example where each node has at most two children, often used in search algorithms.
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