Learn Data Structure and Algorithms in Java Online: Free Course with AI Tutor & Certificate
This free 15-hour java dsa course packs 30 video lessons to help you master programming fundamentals. You'll start with Java basics before moving through object-oriented programming, sorting algorithms, and advanced data structures. By the end, you will be ready to write efficient, optimized code.
Data Structure and Algorithms in Java course syllabus
01 Introduction to Java and Basic Concepts
- Java Basics and Environment Setup
- Variables, Data Types, and Operators
- Control Flow Statements
- Introduction to Methods
02 Object-Oriented Programming in Java
- Classes and Objects
- Inheritance and Polymorphism
- Encapsulation and Abstraction
- Interfaces and Abstract Classes
- Exception Handling
03 Introduction to Data Structures
- Understanding Data Structures
- Arrays and Their Applications
- Introduction to Linked Lists
- Stacks and Queues
- Basic Operations on Data Structures
04 Algorithms and Complexity
- Introduction to Algorithms
- Time and Space Complexity
- Big O Notation
- Recursion and Its Applications
- Analyzing Algorithm Efficiency
05 Sorting and Searching Algorithms
- Introduction to Sorting Algorithms
- Bubble Sort and Selection Sort
- Insertion Sort and Merge Sort
- Quick Sort and Heap Sort
- Linear and Binary Search
06 Advanced Data Structures
- Trees and Binary Trees
- Binary Search Trees
- Heaps and Priority Queues
- Graphs and Their Representations
- Hash Tables and Hash Maps
- ==================
Skills you'll gain
Add these to your LinkedIn profile and resume the day you finish.
Who should take this Data Structure and Algorithms in Java course?
And exactly what you need before starting (spoiler: almost nothing).
This course is for
- Computer science students preparing for technical interviews and coding rounds.
- Self-taught programmers looking to build a strong foundation in java algorithms.
- Working IT professionals in India aiming to switch to backend development roles.
- Beginners who want a structured path to learn dsa in java from scratch.
Prerequisites
- No prior programming experience is strictly required to begin this course.
- A basic understanding of computer operations and software installation is helpful.
- A working computer with internet access to set up the Java environment.
How learning works on LearnTube
The structure of a bootcamp, the price of free.
AI curates your path
Our AI picks the top 1% of video content for each topic and arranges it into a structured, goal-based curriculum. No more tutorial roulette.
Learn, then get quizzed
After every lesson, your AI tutor asks you a question and gives personalised feedback on your answer, so gaps get fixed immediately.
Finish with proof
Complete the course, build the capstone project, and claim a certificate recognised by 900+ hiring partners.
A complete Data Structure and Algorithms in Java course: free, structured and job-focused
This 15-hour java data structures and algorithms course delivers exactly what you need across 30 curated video lessons. You'll begin your learning with the very first lesson on Java Basics and Environment Setup. From there, the curriculum moves through six structured modules. You will cover Introduction to Java and Basic Concepts, followed by Object-Oriented Programming in Java. Once you have a strong foundation, the course introduces Introduction to Data Structures and Algorithms and Complexity. Finally, you will master Sorting and Searching Algorithms before wrapping up with Advanced Data Structures.
LearnTube makes it easy to learn dsa in java without feeling overwhelmed. We take the best educational videos from YouTube and organize them into a clear, logical learning path. You don't have to guess what to watch next. After every single video lesson, our AI tutor tests your knowledge with a quick quiz to make sure the concepts actually stick.
The entire learning experience is completely free. You get full access to all 30 lessons and AI quizzes at no cost. If you want to prove your new skills to employers, you can choose to purchase an optional verified certificate at the end. It's a highly practical way to build your technical profile while studying at your own pace.
Jobs you can target after learning Data Structure and Algorithms in Java
Data Structure and Algorithms in Java is a gateway skill for some of the fastest-growing roles in tech.
Writes and maintains efficient code for software applications.
Builds backend systems and APIs using Java frameworks.
Designs automated tests to ensure software reliability and performance.
Typical entry-level salary ranges in India as of August 2026. Actual compensation varies by city, company and experience.
Earn a Data Structure and Algorithms in Java certificate employers recognise
Finish the course and claim a certificate you can share anywhere.
- Learn 100% free: every lesson, quiz and the AI tutor cost nothing
- Claim your certificate when you complete the course (an optional paid add-on)
- Recognised by 900+ hiring partners across India
- One click to share on LinkedIn and add to your resume
Why learners choose LearnTube
Real reviews from Google. You learn free, you get assessed free, and you pay only if you want the certificate.
Though I have 11 years of experience as an HRBP, the course helped me refresh my knowledge and gave me insights into new trends in the market. The modules were clear and easy to understand, and the quizzes were well designed. I have added the certificate to my LinkedIn profile.
I had a lot of doubts while learning, but the AI chatbot answered them in detail with simple summaries. The videos on the platform saved me a lot of time as I didn't have to search YouTube and watch random content.
Just earned my certificate in HR Management from LearnTube.ai! The platform is user-friendly and the assessment was a great way to validate my knowledge. Feeling proud of this accomplishment!
I enrolled in a LearnTube personalized course to get into a Data Analytics role. It helped me learn SQL in depth and gave me hands-on experience with Power BI. I attached the LearnTube certificate to my CV, it added credibility to my profile, and I'm currently in the interview process.
The interface is user-friendly and intuitive, making it easy to navigate the course. I encountered no errors during my time using the platform, which was a refreshing change from other online learning platforms.
Just cleared the Business Analyst assessment and got certified! Loved how the course simplifies big concepts like data-driven decision making into short, practical lessons. The automated quizzes kept me on track the whole time. Perfect boost for my resume!
The certificate gave me a real edge during my B.Tech. By the time I graduated, I had skills that set me apart from my peers, and the certification opened up more job opportunities. It gave me the confidence to stand out during interviews.
I manage many software projects as a General Manager and was looking for a good certification program to stay competitive. After researching many programs, I chose LearnTube and it was much better than I expected. The material is well-organized and practical, and what I liked most is the lifetime access.
Frequently asked questions
Everything learners ask before starting this Data Structure and Algorithms in Java course.
Is this dsa in java course really free?
Yes, the entire learning experience is completely free. You can watch all 30 video lessons and take the AI tutor quizzes at no cost. The only paid part is the optional certificate.
Are data structures in java still in demand?
Absolutely. Every major tech company relies on data structures to process information efficiently. Mastering these concepts in Java makes you a strong candidate for software engineering and backend development roles.
Do I get a certificate for completing this course?
Yes, you can earn a certificate. Once you finish all six modules and pass the AI quizzes, you have the option to purchase a verified certificate to share on LinkedIn.
How does this differ from standard YouTube tutorials?
Instead of searching for random videos, you get a structured path. LearnTube curates the best lessons and adds interactive AI quizzes after each one. This ensures you actually retain the knowledge.
Can I learn at my own pace?
Yes, this is a fully self-paced program. You can complete the 15 hours of video lessons and quizzes whenever you have free time, making it perfect for busy students or working professionals.
What is the first thing I will learn?
You will start with Java Basics and Environment Setup. This ensures your computer is ready for coding before you move on to object-oriented programming and more complex algorithm topics.
Do I need a powerful computer for this?
No, any standard laptop or desktop will work fine. As long as you can install a basic Java IDE and run a web browser, you are ready to start coding.
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