Compare 8 Data Structures & Algorithms courses from top providers — filter by price, level, provider & certificate.
Data structures and algorithms are the building blocks of efficient code. This page lists five courses that cover core topics across Java, Python and general platforms. Three are free; two offer certificates. The shortlist below helps you match a course to your language preference, budget and desired credential.
Which course fits you
| Situation | Course to pick | Why it fits |
|---|---|---|
| Beginner who wants a free Java option with a certificate | Java Data Structures & Algorithms + LEETCODE Exercises | Free, rated 4.6, includes a certificate and LEETCODE exercises tailored for Java |
| Beginner who prefers Python and wants a structured, interactive track | Learn Data Structures and Algorithms with Python | Beginner level, 26 hours, certificate included, interactive Codecademy format |
| Learner who wants a university-style specialisation with a verified certificate | Data Structures and Algorithms | 5-month Coursera specialisation, rated 4.6, certificate available |
Free vs paid here
| Attribute | Free options | Paid options |
|---|---|---|
| Price | Three courses are listed as free (Java DSA + LEETCODE, Java fundamentals from Scaler). The Python course costs ₹23.99 (USD listed price, converted). | No paid courses appear in the current set; all listed courses have a zero price tag. |
| Certificate | Free options that include a certificate: Java DSA + LEETCODE (Udemy), Java fundamentals (Scaler). The free Codecademy Python course also grants a certificate. | Not applicable — no paid courses in this data set. |
| Placement support | None listed for any course. | Not applicable. |
Learning path
| Stage | What you learn | Course from the list |
|---|---|---|
| Beginner | Core data structures (arrays, stacks, queues, linked lists, trees, graphs) and algorithm analysis (big-O notation, sorting, searching) | Java Data Structures & Algorithms + LEETCODE Exercises |
| Intermediate | Tree traversals, shortest path algorithms, dynamic programming basics, graph algorithms | Data Structures and Algorithms (Coursera specialisation) |
| Advanced | Not represented in the current five-course set. | — |
Providers for this topic
| Provider | Courses offered | Price range (INR) | Certificate |
|---|---|---|---|
| Udemy | 2 courses | Free (converted) | Yes |
| Scaler | 1 course | Free | Yes |
| Codecademy | 1 course | ₹23.99 (USD listed) | Yes |
| Coursera | 1 course | Included in subscription | Yes |
Careers this feeds
Data structures and algorithms skills feed into software engineering and backend roles. Common job titles include Software Developer, Backend Engineer and Full Stack Developer. The Java and Python courses align with the skill set each career leans on.
FAQ
Same shortlist as below, side by side — including who runs it and why it stands out.
| Course | Provider | Rating | Price | Duration | Why pick this one |
|---|---|---|---|---|---|
| Mastering Data Structures & Algorithms using C and C++ |  Udemy |
4.6★ | Free | Free — and still gives a certificate | |
| Java Data Structures & Algorithms + LEETCODE Exercises | Udemy |
4.6★ | Free | Free — certificate included | |
| The Complete Data Structures and Algorithms Course in Python | Udemy |
4.5★ | Free | Free — certificate included | |
| Data Structures and Algorithms: In-Depth DSA using Python | Udemy |
4.5★ | Free | Free — certificate included | |
| Data Structures and Algorithms In Java ( DSA ) | Udemy |
4.2★ | Free | Free — certificate included | |
| Java Course - Mastering the Fundamentals | Scaler | 0.0★ | Free | 8h 9m | Quickest to finish (8h 9m) |
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