Java Data Structures & Algorithms + LEETCODE Exercises
DSA + LEETCODE for Coding Interviews — Clear, Step-by-Step Animated Walkthroughs!
Java Data Structures & Algorithms + LEETCODE Exercises is an online course from Udemy in Data Structures & Algorithms. It is structured in 20 modules with 8 stated learning outcomes, over 11 hours. It costs ₹499, certificate included. Learners rate it 4.6/5 from 14.9K ratings on Udemy, with 108.7K enrolled.
Part of our Data Structures & Algorithms courses collection, where we compare it against 7 other courses. See all Data Structures & Algorithms courses on Udemy.
Course highlights
| Provider | Udemy |
| Duration | 11 hours |
| Level | All Levels |
| Mode | Self-paced |
| Language | English |
| Certificate | Yes — shareable certificate |
| Instructor | Scott Barrett |
| Rating | 4.6★ (14.9K reviews) |
| Learners | 108.7K |
| Price | ₹499 ₹3,459 |
What you’ll learn
Level and time commitment
What this course covers
20 modulesThe 20-part outline Udemy publishes for this course, across 11 hours.
Module 1 · Introduction
Module 2 · Big O
Module 3 · Classes & References
Module 4 · Linked Lists
Module 5 · <> LL: Coding Exercises
Module 6 · <> LL: Interview / LeetCode Exercises
Module 7 · Doubly Linked Lists
Module 8 · <> DLL: Coding Exercises
Module 9 · <> DLL: Interview / LeetCode Exercises
Module 10 · Stacks & Queues
Module 11 · <> S&Q: Coding Exercises
Module 12 · <> S&Q: Interview / LeetCode Exercises
Module 13 · Trees
Module 14 · <> BST: Coding Exercises
Module 15 · <> BST: Interview / LeetCode Exercises
Module 16 · Hash Tables
Module 17 · <> HT: Coding Exercises
Module 18 · <> HT: Interview / LeetCode Exercises
Module 19 · Graphs
Module 20 · <> Graph: Coding Exercises
What learners rate it
Rated 4.6/5 by 14.9K learners on Udemy (checked 5 Oct 2026).
This rating is collected by Udemy from its own enrolled learners. We reproduce it as reported and do not accept paid or incentivised reviews. See it on Udemy →
Compiled by the CoursesGlobal editorial desk. Fees, ratings, duration and certificate details for the 1 course shown are read directly from Udemy course pages — we never estimate a price or a rating. Last verified 5 October 2026.
How we compare and rank courses · Our review policy · Affiliate disclosure
Compare with alternatives
Same topic, different trade-offs — here's who runs each one and what it's best at.
| Course | Provider | Rating | Price | Duration | Why pick this one | |
|---|---|---|---|---|---|---|
| Java Data Structures & Algorithms + LEETCODE Exercises This |
 Udemy
|
4.6★ | ₹499 | 11 hours | Quickest to finish (11 hours) | |
| Data Structures and Algorithms |
 Coursera
|
4.6★ | Check price | 5 months | For learners past the basics · 5 months | View ↗ |
| Mastering Data Structures & Algorithms using C and C++ |
Udemy
|
4.6★ | ₹489 | 76 hours | Highest rated (4.6★ from 60.6K reviews) | View ↗ |
| The Complete Data Structures and Algorithms Course in Python |
Udemy
|
4.6★ | ₹589 | 46.5 hours | All Levels · 46.5 hours · certificate | View ↗ |
Common questions
How much does Java Data Structures & Algorithms + LEETCODE Exercises cost?
It is listed at ₹499 on Udemy, last checked 5 October 2026. Course prices change and providers run discounts, so treat this as the list price and confirm on the provider page.
Does Java Data Structures & Algorithms + LEETCODE Exercises come with a certificate?
Yes — Udemy lists a certificate on completion. It is a course certificate, not a formal qualification or university credit.
How long does Java Data Structures & Algorithms + LEETCODE Exercises take?
Udemy lists it at 11 hours. It is self-paced, so that is the volume of material rather than a deadline — how long it actually takes depends on the hours you put in each week.
Is Java Data Structures & Algorithms + LEETCODE Exercises suitable for beginners?
Udemy lists it as suitable for all levels, so beginners and people brushing up work through the same material.
What does Java Data Structures & Algorithms + LEETCODE Exercises cover?
It is organised into 20 modules, starting with Introduction and going on to Big O, Classes & References, Linked Lists, <> LL: Coding Exercises, among others. The full outline is on this page.
Who teaches Java Data Structures & Algorithms + LEETCODE Exercises?
Scott Barrett, as listed by Udemy.