Collections – Page 2 – Sharp: NCLEX, Java & Python

Java: Set Interface and HashSet

Tradeoffs: When should you use a Set over a List?

How does HashSet check for duplicates?

What are the consequences of using mutable objects in a HashSet?

Why might a HashSet not prevent duplicates with custom objects?

How does a poor hash function affect HashSet performance?

When is a Set preferable to a List?

Explain the performance benefit of using HashSet for membership checks?

What impact does a poor hash function have on HashSet?

What happens if mutable objects are used in a HashSet?

How do you remove all elements from a HashSet?