Free Data Structures Courses With Certificates For Beginners

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Enroll in our free data structures courses and learn Data structures and algorithms in Java. Also, learn to divide and conquer algorithms, LinkedList, Stack and queues, Trees in Java, Graphs in Java, and more. Join now and earn free Data Structures certificates.

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UNIVERSITY

McCombs School of Business at The University of Texas at Austin

Post Graduate Program in Data Science with Generative AI: Applications to Business

7 months • Online

UNIVERSITY

Northwestern University

MS in Data Science Programme

18 months • Online

Live Sessions

UNIVERSITY

MIT Professional Education

Applied AI and Data Science Program

14 Weeks • Live Online

BASICS

4.39 197.7K+ learners 2 hrs

Data Structures in C

Skills: Arrays in C programming, Stacks, Queue, Linked List, Heaps, Hashing, Binary Search, Tree Data Structure, Binary Tree Data structure

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BASICS

4.57 12.4K+ learners 3 hrs

Java Data Structures for Beginners

Skills: Data Structures, Arrays, Queue, Stack, Linked List

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BASICS

4.35 10.1K+ learners 3 hrs

Linked list Basics

Skills: Linked List, Operations on Linked List such as Traversal, Insertion, Deletion. Implementation of Linked List operations

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BASICS

4.35 7.5K+ learners 2.5 hrs

Stacks and Queues

Skills: Stack, Applications of Stack, Infix to Postfix conversions, Recursion

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BASICS

4.53 3.2K+ learners 1 hr

Circular Queue

Skills: Queue Data Structure

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BASICS

Java Data Structures for Intermediate Level

4.4 7.2K+ learners 2.5 hrs

Java Data Structures for Intermediate Level

Skills: Binary Tree, Binary Search Tree, Graphs, Breath first search, Depth First Search, Hash Tables

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BASICS

4.54 8.7K+ learners 1.5 hrs

Trees in Java

Skills: Tree data structure basics, Binary Tree concepts, Traversals methods, Binary search Tree working, Implementation of BST in Java

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BASICS

4.6 5.9K+ learners 1.5 hrs

Binary Trees

Skills: Binary Tree, Binary Search Tree, Operations on BST, Traversal Methods on BInary Tree

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BASICS

4.53 2.6K+ learners 1.5 hrs

Graphs in Java

Skills: Graphs, Breadth First Search, Depth First Search

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BASICS

4.48 181.1K+ learners 4 hrs

Data Structures & Algorithms in Java

Skills: Data Structures Basics, Importance of Data Structures, Algorithms Introduction, Time Complexity, Recursion Fundamentals, Recursive Functions, Recursive Trees, Tower of Hanoi, Sorting Algorithms, Bubble Sort, Quick Sort, Merge Sort, Insertion Sort

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BASICS

4.5 36.7K+ learners 1 hr

Python Data Structures

Skills: Python Fundamentals, Python Features, Python Uses, List, Tuple, Set, Dictionary, Immutable Data Structure, Differences Between Data Structures, List Vs Tuple, List Vs Set, List Vs Dictionary, Choosing Right Data Structure

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BASICS

Data Structure & Algorithms in Java for Intermediate Level

4.48 17.5K+ learners 4 hrs

Data Structure & Algorithms in Java for Intermediate Level

Skills: Data Structures, Recursion, Bubble Sort, Quick Sort, Insertion Sort, Merge Sort

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BASICS

Data Structures in C

4.39 197.7K+ learners 2 hrs

Skills: Arrays in C programming, Stacks, Queue, Linked List, Heaps, Hashing, Binary Search, Tree Data Structure, Binary Tree Data structure

BASICS

Java Data Structures for Beginners

4.57 12.4K+ learners 3 hrs

Skills: Data Structures, Arrays, Queue, Stack, Linked List

BASICS

Linked list Basics

4.35 10.1K+ learners 3 hrs

Skills: Linked List, Operations on Linked List such as Traversal, Insertion, Deletion. Implementation of Linked List operations

BASICS

Stacks and Queues

4.35 7.5K+ learners 2.5 hrs

Skills: Stack, Applications of Stack, Infix to Postfix conversions, Recursion

BASICS

Circular Queue

4.53 3.2K+ learners 1 hr

Skills: Queue Data Structure

BASICS

Java Data Structures for Intermediate Level

4.4 7.2K+ learners 2.5 hrs

Skills: Binary Tree, Binary Search Tree, Graphs, Breath first search, Depth First Search, Hash Tables

BASICS

Trees in Java

4.54 8.7K+ learners 1.5 hrs

Skills: Tree data structure basics, Binary Tree concepts, Traversals methods, Binary search Tree working, Implementation of BST in Java

BASICS

Binary Trees

4.6 5.9K+ learners 1.5 hrs

Skills: Binary Tree, Binary Search Tree, Operations on BST, Traversal Methods on BInary Tree

BASICS

Graphs in Java

4.53 2.6K+ learners 1.5 hrs

Skills: Graphs, Breadth First Search, Depth First Search

BASICS

Data Structures & Algorithms in Java

4.48 181.1K+ learners 4 hrs

BASICS

Python Data Structures

4.5 36.7K+ learners 1 hr

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Data Structure & Algorithms in Java for Intermediate Level

4.48 17.5K+ learners 4 hrs

Skills: Data Structures, Recursion, Bubble Sort, Quick Sort, Insertion Sort, Merge Sort

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BASICS

4.58 3K+ learners 1 hr

Graphs in Python

Skills: Graphs, Operations on Graphs, BFS, DFS

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Skills: Tree data structure basics, Binary Tree concepts, Traversals methods, Binary search Tree working, Implementation of BST in Java

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4.4 7.6K+ learners 1.5 hrs

Python Stack

Skills: Tuples in Python, List in Python, Dictionary in Python Set in Python, Implementation using List Queue and Deque

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4.58 3K+ learners 1 hr

Graphs in Python

Skills: Graphs, Operations on Graphs, BFS, DFS

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4.4 7.2K+ learners 2.5 hrs

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Skills: Binary Tree, Binary Search Tree, Graphs, Breath first search, Depth First Search, Hash Tables

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Graphs in Java

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4.19 7.3K+ learners 1 hr

Python List

Skills: Python List

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4.18 2.5K+ learners 1 hr

Heap Data Structure

Skills: Heap

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4.56 3.2K+ learners 2.5 hrs

Linked List in Python

Skills: Linked List, Operations on Linked List - Traversal, Insertion, Deletion.

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4.53 3.2K+ learners 1 hr

Circular Queue

Skills: Queue Data Structure

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4.6 5.9K+ learners 1.5 hrs

Binary Trees

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BASICS

4.39 197.7K+ learners 2 hrs

Data Structures in C

Skills: Arrays in C programming, Stacks, Queue, Linked List, Heaps, Hashing, Binary Search, Tree Data Structure, Binary Tree Data structure

View Course

BASICS

4.48 181.1K+ learners 4 hrs

Data Structures & Algorithms in Java

View Course

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4.5 36.7K+ learners 1 hr

Python Data Structures

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4.48 17.5K+ learners 4 hrs

Data Structure & Algorithms in Java for Intermediate Level

Skills: Data Structures, Recursion, Bubble Sort, Quick Sort, Insertion Sort, Merge Sort

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4.57 12.4K+ learners 3 hrs

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Skills: Data Structures, Arrays, Queue, Stack, Linked List

View Course

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4.35 10.1K+ learners 3 hrs

Linked list Basics

Skills: Linked List, Operations on Linked List such as Traversal, Insertion, Deletion. Implementation of Linked List operations

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BASICS

4.54 8.7K+ learners 1.5 hrs

Trees in Java

Skills: Tree data structure basics, Binary Tree concepts, Traversals methods, Binary search Tree working, Implementation of BST in Java

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4.4 7.6K+ learners 1.5 hrs

Python Stack

Skills: Tuples in Python, List in Python, Dictionary in Python Set in Python, Implementation using List Queue and Deque

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Learner reviews of the Free Data Structures Courses

Our learners share their experiences of our courses

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Karan Rabari

5.0

★★★★ ★

India

“A Comprehensive and Well-Structured Free Course”

This free course exceeded my expectations! The content was clear and to the point, and the structure allowed me to progress at my own pace without feeling overwhelmed. The practical examples and quizzes reinforced the concepts and made learning interactive. I especially appreciated the community discussions, which allowed me to connect with other learners and the instructor for extra support. Overall, this course is a fantastic resource for anyone looking to expand their skills without cost.

LinkedIn Profile

Ashish Prajapati

4.0

★★★ ★ ☆

India

“Highlight of My Learning Experience”

I really enjoyed this course. I found the curriculum very thorough and liked the topics' depth. The quizzes and assignments were challenging but fair. I also thought the instructor was knowledgeable and presented the material clearly and concisely. Overall, this was a great learning experience, and I would highly recommend it to anyone interested in learning about data structures in C.

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Riya Sharma

5.0

★★★★ ★

India

“Highlights of What I Learned in Data Structure Course”

I gained a strong foundation in fundamental data structures like arrays, linked lists, stacks, queues, trees, and graphs. The course helped me understand the importance of time and space complexity analysis, and I improved my problem-solving skills through hands-on coding. I also learned how to apply different data structures to optimize performance in real-world applications.

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Abhishek Tibeli

5.0

★★★★ ★

India

“Great Experience, Easy to Follow”

The online Data Structures and Algorithms (DSA) course provides a structured and comprehensive approach to mastering key concepts. The course covers fundamental and advanced topics, including arrays, linked lists, trees, graphs, sorting, and searching, ensuring a thorough understanding of core DSA principles. The explanations are clear, with concepts broken down in an easy-to-follow manner, making the material accessible even for beginners.

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Niranjana B

4.0

★★★ ★ ☆

India

“Good Course on Basics of C”

The online course on Data Structures in C provides a solid foundation, covering key topics like arrays, linked lists, stacks, queues, trees, and graphs, with clear explanations and practical coding examples. The course is well-structured, with logical progression from basic to advanced topics, though it could benefit from more in-depth coverage of time complexity analysis and additional advanced data structures like AVL trees or hash tables.

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Rounak Singh

4.0

★★★ ★ ☆

India

“Mastering Data Structures in C”

Completed DSA in C, learning key data structures like arrays, linked lists, stacks, and trees. Developed skills in algorithm implementation, time complexity analysis, and problem-solving, enhancing my understanding of efficient data handling and preparing for advanced topics in programming.

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Rishik Voddam

5.0

★★★★ ★

India

“Great Learning's Data Structures Course: Ideal for Beginners”

The Data Structures course by Great Learning has received positive reviews for its comprehensive and beginner-friendly approach. The course provides a thorough introduction to fundamental data structures like arrays, linked lists, stacks, queues, and binary trees. It includes both theoretical concepts and practical implementation examples, making it suitable for beginners and those looking to strengthen their foundations.

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Aditya Dhamdhere

5.0

★★★★ ★

India

“Clear Explanations and Real-World Examples”

What I liked most was how the learning material was structured, with plenty of opportunities for hands-on practice. The interactive approach made the concepts easier to grasp and apply. I also enjoyed the instructor's enthusiasm, which made the learning experience engaging and enjoyable.

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Obeng Yeboah Enoch

5.0

★★★★ ★

United States

“Enriching Experience with Great Learning's Data Structures Course”

During my experience with Great Learning's Data Structures course, I gained a comprehensive understanding of fundamental concepts, including arrays, linked lists, stacks, queues, and trees. The hands-on projects enhanced my problem-solving skills and reinforced my knowledge through practical applications.

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LUV .

5.0

★★★★ ★

India

“I Feel Much More Confident in My Programming Abilities”

I feel much more confident in my programming abilities and equipped to tackle complex challenges in software development. I highly recommend this course to anyone looking to deepen their understanding of algorithms and data structures.

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Meet your faculty

Meet industry experts who will teach you relevant skills in artificial intelligence

Bharani has been working in the field of data science for the last 2 years. He has expertise in languages such as Python, R and Java. He also has expertise in the field of deep learning and has worked with deep learning frameworks such as Keras and TensorFlow. He has been in the technical content side from last 2 years and has taught numerous classes with respect to data science.

Frequently Asked Questions

What are Data Structures and their types?

Data Structures can be considered as an efficient way of organizing and storing data. Using Data Structures, you can also process and retrieve data. Types of Data Structures are Linked List, arrays, stack, queue, etc.

Where can I learn Data Structures for free?

You can find many data structures courses on the web that are offered for free. One such platform is Great Learning Academy. It provides free Data Structures courses along with many other in-demand courses for free.

Which Data Structure is best?

Each of the Data Structures has its pros and cons. You use Data Structures based on the scenario that you want to solve. You use the best fit among the Data Structures to resolve a problem.

What is the Data Structures course?

Data Structures courses at the beginner level are meant to give you a brief introduction on what Data Structures are, their types, advantages and disadvantages of various Data Structures, and more. If it is an intermediate and advanced level course, then you will learn Data Structures in depth.

How to study Data Structures?

It would help if you first learned what Data Structures are and their types. Data Structures are an integral part of programming, and it is essential for a programmer to be familiar with them to become an efficient programmer. You can find Data Structures tutorials, courses, and live sessions on the various learning platforms.

Is Python good for Data Structures?

Yes, Python is a good language to process Data Structures. The modern programming language provides better speed, syntax, and convenience for processing these Data Structures.

Are Data Structures and Data Science the same?

Data Structures are an integral part of programming. It is an efficient approach for organizing and storing data. It is also the base for the development of various algorithms. Data Science includes preparing data for analysis. It is good to be efficient with Data Structures to become a better data scientist.