What are some common issues with hashmaps?
Some common issues with hashmaps include collisions, resizing, and performance degradation with poor hash functions.
Can you explain what a collision is?
A collision occurs when two different keys hash to the same index in the hashmap, leading to data overwriting.
How can I handle collisions in my hashmap?
You can handle collisions using techniques like chaining (linked lists) or open addressing (probing).
What is the impact of a poor hash function?
A poor hash function can lead to many collisions, resulting in slower performance and inefficient memory usage.
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