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Free DSA Online Course with Certification | Learn in 21 Days

★ 4.7/5
Google Reviews
★ 4.7/5
ScholarHat Reviews
34
Videos
4.9
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Free
100% Free
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Free Data Structures & Algorithms Course Overview

Ready to improve your coding skills? Our Free Data Structures & Algorithms Certification Course is useful for anyone wanting to learn the fundamentals of DSA. Whether you're a beginner or looking to improve your skills, we'll take you through fundamental concepts like arrays, linked lists, stacks, queues, and more complex topics like trees and graphs.

You'll also learn about important sorting, searching, and dynamic programming methods, as well as how to use Big-O Notation to optimize your code. By the end, you'll be confident in tackling problems efficiently and prepared for coding interviews or competitions.

In addition, you will receive a Certification to show your DSA skills & stand out in the tech industry. Ready to start? This course is aimed at advancing your coding skills!

    Why Learn Data Structures & Algorithms?

    1. Improve Problem Solving: Create logical and efficient solutions to challenging problems.
    2. Expert Interviews: Essential for passing technical interviews at top organizations.
    3. Simplify Code: Develop applications that are faster, more efficient, and scalable.
    4. Boost Competitive Programming: Gain an advantage in coding competitions and hackathons.
    5. Advance Your Career: DSA expertise is a highly appreciated ability in technical professions.
    6. Build Foundations: Get ready for complex topics like AI, Machine Learning, and Big Data.

    Top Career Options After Learning DSA

    1. Software Developer: Build efficient and scalable software.
    2. Data Analyst: Analyze and process large datasets.
    3. Backend Developer: Create robust server-side applications.
    4. AI/ML Engineer: Develop intelligent models and systems.
    5. Systems Architect: Design scalable and efficient systems.
    6. Database Engineer: Optimize and manage complex databases.

    Tools for Learning Data Structures & Algorithms

    1. Code Editors: Visual Studio Code, and Sublime Text for writing and testing code.
    2. Online Platforms: Scholarhat, LeetCode, HackerRank, and Codeforces for practice.
    3. IDEs: Eclipse, PyCharm, IntelliJ IDEA for language-specific development.
    4. Visualization Tools: VisuAlgo for visualizing data structures and algorithms.
    5. Version Control: Git and GitHub for code management.
    6. Debugging Tools: Built-in debuggers or GDB for code testing.

    Features

    Course Features: Free Data Structures & Algorithms Certification Course

    1. Comprehensive Curriculum: This includes fundamental and advanced data structures and techniques, such as arrays, linked lists, stacks, queues, trees, graphs, sorting, searching, and dynamic programming.
    2. Big-O Analysis: Learn how to analyze algorithms' time and space complexity, allowing you to optimize your solutions for efficiency.
    3. Interactive Learning: Participate in video tutorials, & coding challenges meant to improve your learning and keep you motivated.
    4. Real-World Applications: Use your knowledge to address practical challenges that commonly arise in technical interviews & competitive programming.
    5. Free Certification: Receive a certificate upon successful completion to showcase your skills and enhance your resume.
    6. Self-paced Learning: Study quickly with lifetime access to course materials, allowing you to learn whenever and wherever you want.

    Eligibility Criteria for Learning Data Structures & Algorithms

    There are no strict eligibility requirements for the Free Data Structures & Algorithms Certification Course. Basic programming knowledge in languages like Python, Java, or C++ is helpful, but not mandatory. The course is suitable for all levels—whether you're a beginner or have some coding experience. All you need is a willingness to learn and a passion for improving your problem-solving skills in algorithms and data structures.
    This course includes
    100 % OFF
    ₹ 1,534 Free

    Included in this Course

    DSA and Big O
    Data Structure Introduction
    Preview 04m 32s
    Non-Linear Data Structure
    09m 25s
    Asymptotic analysis
    14m 31s
    Asymptotic Explanation
    20m 23s

    Array
    Array Introduction
    09m 58s
    Array Traversal
    10m 46s
    Array insert data
    06m 21s
    Array Bound Checking
    16m 52s
    Array Insertion
    12m 35s
    Deletion in Array
    07m 38s
    2D array
    13m 47s
    Array List Integer
    20m 47s
    Array Questions
    Array List String
    18m 17s
    Storing Heterogeneous Element in array
    13m 20s
    Array Question1
    41m 40s
    Array Question2
    18m 48s
    Sum Leet code
    19m 24s
    buy and sell Stock leetcode
    10m 34s
    Product of Array Except Self
    16m 56s
    Container With Most Water
    19m 45s
    Spiral Matrix
    30m 10s
    Sudoku valid
    29m 36s

    String
    String
    Preview 01m 00s
    String literals
    09m 15s
    Immutable String
    05m 33s
    String Methods
    21m 33s
    StringBuilder vs String Buffer
    04m 42s
    String Builder and Buffer example
    11m 29s
    Valid Palindrome
    08m 05s
    Valid Anagram
    15m 23s
    Longest Substring Without Repeating Characters
    17m 22s
    Find All Anagrams in a String
    31m 07s
    Largest Number
    19m 26s
    Largest Number 1
    09m 06s
    Mentor-led Career Bootcamp

    Data Structures & Algorithms Bootcamp

    Go from learning to job-ready — live doubt sessions, real projects, hands-on labs and interview prep.

    Explore this Bootcamp
    Data Structures & Algorithms Bootcamp
    What's inside
    15 Doubt Sessions
    6 Projects
    10 Weeks
    135 Labs
    314 Lessons
    4.8 Rating
    This course includes
    100 % OFF
    ₹ 1,534 Free

    Certification FAQs

    1. Are there any hidden charges for the certification?
      No, the course and certification are completely free. There are no hidden charges.
    2. How can I get the free certification?
      To get the free certification, you need to enroll in the course, complete all the required modules, and pass the final assessment or quiz
    3. Can I earn multiple free certifications?
      Yes, you can enroll in multiple courses and earn free certifications for each course you successfully complete.
    4. Will the certification mention that the course was free?
      No, the certification will only highlight your achievement and not mention whether the course was free or paid.

    Our Students Review

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    Trainer of ScholarHat are exceptional; their teaching techniques are different because they provide training on real-time project after discussing all available concepts. After getting training from there my technical skills and confidence have improved a lot. Thanks, ScholarHat and Shailendra Sir.

    Mukesh Sharma

    Mukesh Sharma

    Software Engineer

    Social Link
    (4.50)

    Learning with the latest technology makes each person up-to-date, which plays a great role to compete with any situation. I am very thankful to the Honorable Mr. Shailendra Sir, who encourages me to go with Azure. Being an author, ScholarHat's Azure Training is a career turning point. I have learnt superior assistance from Sir in terms of Skill Development and Success Mantra. Always believe in Learning is Earning. Thank You Sir!

    Sanjay Kumar

    Sanjay Kumar

    Sr. Software Developer

    Social Link
    (5.00)

    Thanks for providing me with training on Azure, I want to request ScholarHat management to host this kind of training for me. because i have got the best value for my money which they have provided me advanced training.

    Mohit Tyagi

    Mohit Tyagi

    Software Engineer

    Social Link
    (4.50)

    Thanks a lot for arranging such Technical training's and would like to join more such training's with Scholarhat. Training is lead by a great teacher "Shailendra" . Training has been great learning curve for me and I am still learning and going through the shared videos to capture things which I have missed.

    Nikhil adhikary

    Nikhil adhikary

    Module Lead at Mindtree

    Social Link
    (4.50)

    It was very good experience getting Azure DevOpsTraining with ScholarHat. Dot net tricks a unique training institute for new updated technology Azure. Mr. Shailendra Chauhan sir always teaches the latest technologies. Thanks, ScholarHat for teaching me in-depth practical concepts.

    Basant Badwal Kumar

    Basant Badwal Kumar

    Developer

    Social Link
    (5.00)

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    Frequently Asked Questions

    Q1. What is the Free DSA Online Course offered by ScholarHat?
    Our comprehensive course covers fundamental and advanced data structures and algorithms (DSA), including arrays, linked lists, stacks, queues, trees, graphs, and dynamic programming. Designed for beginners, it provides a solid foundation in DSA principles.
    Q2. Will I receive a certificate upon completion?
    Absolutely! Upon completing all modules and passing the final assessment, you'll receive a certificate of completion from ScholarHat to showcase your skills.
    Q3. How long will it take to complete the course?
    The course is structured to be completed in 21 days, with approximately 1–2 hours of study per day. However, it's self-paced, allowing you to learn at your own convenience.
    Q4. What programming languages are used in the course?
    The course primarily uses C and C++ for demonstrating DSA concepts. However, the principles taught are applicable across various programming languages.
    Q5. How will this course benefit my career?
    Mastering DSA is crucial for technical interviews and problem-solving in software development roles. This course equips you with the necessary skills to excel in coding interviews and enhance your programming proficiency.
    Q1. Are these coding courses really 100% free?
    Yes! All our listed courses are completely free. You can access all learning materials, videos, and resources without paying a single rupee.
    Q2. Who can join these free programming courses?
    Anyone! Whether you're a beginner with no coding experience or someone looking to upskill, our courses are designed for all levels.
    Q3. Are these courses beginner-friendly?
    Absolutely. Every course includes step-by-step guidance, real-life examples, and practice projects to help you learn effectively from scratch.
    Q4. Are the free courses self-paced?
    Yes, all our courses are fully self-paced. You can learn anytime, anywhere, and from any device that suits you.
    Q5. Will these courses help me get a job?
    Our focus is on job-ready skills. The courses are built to teach industry-relevant knowledge that employers value, including hands-on coding and real-world projects.
    Q6. Can I get career advice or help with interviews?
    Yes! Along with courses, we offer career resources like interview prep eBooks, resume tips, and mock interview support.
    Q7. Will learning from free courses be enough to get a developer job?
    While free courses provide strong fundamentals, combining them with real-world projects, internships, and advanced practice can significantly boost your chances of landing a job.
    Still have some questions? Let's discuss.
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