What is the memory usage of a HashSet in Java?
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What is the memory usage of a HashSet in Java?
The memory usage of a HashSet in Java depends on the number of elements and the load factor. Typically, it uses 2 * n + 1 references, where n is the number of elements.
How does the load factor affect memory usage?
The load factor determines when to resize the HashSet. A higher load factor means less memory usage but can lead to more collisions, affecting performance.
Can you explain how collisions are handled in a HashSet?
Collisions in a HashSet are handled using chaining or open addressing. In chaining, each bucket points to a linked list of entries.
What are the advantages of using a HashSet over other collections?
HashSet offers constant time performance for basic operations like add, remove, and contains, making it efficient for large datasets.
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