Grokking the Engineering Manager Coding Interview
Ask Author
Back to course home

0% completed

Introduction to HashSets
Table of Contents

Contents are not accessible

Contents are not accessible

Contents are not accessible

Contents are not accessible

Contents are not accessible

In simple terms, a HashSet is a collection of unique elements where duplicates are not allowed. Imagine a party guest list where each person’s name appears only once—no duplicates! That’s exactly how a HashSet works in programming. It ensures that every element in the set is unique, making it an efficient choice for fast lookups, insertions, and deletions.

Core Characteristics of HashSets

✅ Uniqueness: A HashSet ensures that every element is unique. If you try adding a duplicate, it simply gets ignored

.....

.....

.....

Like the course? Get enrolled and start learning!

Table of Contents

Contents are not accessible

Contents are not accessible

Contents are not accessible

Contents are not accessible

Contents are not accessible