Learn Java Online: Free Course with AI Tutor & Certificate
Enterprise applications require highly scalable code, and Java delivers exactly that. This free java course teaches you advanced concepts across 12 modules and 68 video lessons. In about 10 hours, you'll master object-oriented programming, concurrency, and networking to build secure backend systems.
What you'll learn in this Java course
Five concrete outcomes you'll walk away with, each mapped to modules in the curriculum below.
Java course syllabus
01 Introduction To Java Advanced
- Why Should a Person Learn Java Advanced?
- Roadmap to Learn Java
- Applications of Java in Real World
- Top Jobs in Java 2023
02 Object-Oriented Programming
- Inheritance and Polymorphism
- Abstraction and Encapsulation
- Interfaces and Abstract Classes
- Method Overloading and Overriding
- Composition and Aggregation
- Object cloning and Serialization
03 Generics
- Introduction to Generics
- Type Parameters and Wildcards
- Bounded Type Parameters
- Generic Methods
- Generic Classes and Interfaces
- Type Erasure and Restrictions
04 Concurrency
- Introduction to Concurrency
- Threads and Thread Safety
- Synchronization and Locks
- Volatile and Atomic Variables
- Concurrent Collections
- Executors and Thread Pools
05 Networking
- Introduction to Networking
- TCP and UDP Protocols
- Sockets and Server Sockets
- Remote Method Invocation (RMI)
- HTTP and HTTPS Protocols
- Web Services and APIs
06 Database Programming
- Introduction to JDBC
- Connecting to Databases
- Statements and Result Sets
- Prepared Statements and Stored Procedures
- Transactions and Isolation Levels
- Connection Pooling and ORM Frameworks
07 Advanced Language Features of Java
- Annotations and Reflection
- Lambda Expressions and Functional Interfaces
- Streams and Collectors
- Optional and CompletableFuture
- Modules and Jigsaw
- Records and Sealed Classes
08 Security
- Introduction to Security
- Authentication and Authorization
- Cryptography and Encryption
- Digital Signatures and Certificates
- Secure Communication and SSL/TLS
- Security Best Practices
09 Distributed Systems
- Introduction to Distributed Systems
- Message Queues and Brokers
- RESTful Web Services and APIs
- Microservices and Service Discovery
- Docker and Kubernetes
- Cloud Computing and AWS
10 Performance and Optimization
- Introduction to Performance Optimization
- Profiling and Benchmarking
- Garbage Collection and Memory Management
- Multithreading and Parallelism
- Caching and Indexing
- Database Tuning and Query Optimization
11 Working with Java Data Binding Libraries (JAXB and Jackson)
- What is Data Binding Libraries?
- Understanding XML Data Binding with JAXB
- Parsing and Generating JSON with Jackson
- Advanced Features and Annotations in JAXB
- Efficient Data Processing with Jackson Streaming API
12 Advanced Tools and Techniques
- Introduction to Advanced Tools and Techniques
- Debugging and Troubleshooting
- Testing and Test-Driven Development
- Continuous Integration and Delivery
- Monitoring and Logging
Real-world projects you'll work on
Practice the exact kind of work Java professionals do on the job.
Skills you'll gain
Add these to your LinkedIn profile and resume the day you finish.
Who should take this Java course?
And exactly what you need before starting (spoiler: almost nothing).
This course is for
- Software developers looking to upgrade from core Java to advanced enterprise architecture.
- Computer science students preparing for technical interviews and backend engineering roles.
- IT professionals in India aiming to transition into high-performance system design.
Prerequisites
- Basic understanding of core Java syntax and programming fundamentals is required.
- Familiarity with basic data structures and algorithms will be helpful.
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 Java course: free, structured and job-focused
Building secure, high-performance enterprise systems requires a language that handles complex logic without breaking under pressure. That is where advanced Java programming comes in. This comprehensive java course takes you beyond the basics, showing you how to construct scalable applications from the ground up. You will start with the fundamental question of why you should learn Java Advanced, then move directly into core concepts like Object-Oriented Programming and Generics.
Over the span of 12 modules and 68 video lessons, you'll explore the technical depths of the java language. The curriculum covers Concurrency for managing multiple processes, Networking, and Database Programming. As you progress, you will tackle Advanced Language Features of Java, Security protocols, and Distributed Systems. You will also learn Performance and Optimization techniques, along with Working with Java Data Binding Libraries like JAXB and Jackson. Finally, the course wraps up with Advanced Tools and Techniques to ensure your code is efficient and production-ready.
LearnTube makes mastering this java tutorial for beginners and advanced learners alike incredibly interactive. We pair top-rated, curated YouTube video lessons with an AI tutor that tests your knowledge. After every single lesson, you will take a quick quiz to reinforce what you just learned. The learning experience is entirely free, so you can study at your own pace without worrying about java course fees. If you want to verify your new skills, you can choose to purchase an optional certificate at the end. With over 60,000 learners and 900 hiring partners on our platform, this free online java training gives you the exact tools you need to succeed in software development.
Jobs you can target after learning Java
Java is a gateway skill for some of the fastest-growing roles in tech.
Designs, builds, and maintains backend application code for businesses.
Creates server-side logic and integrates databases using advanced Java frameworks.
Develops scalable software solutions and optimizes application performance.
Typical entry-level salary ranges in India as of August 2026. Actual compensation varies by city, company and experience.
Earn a 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 Java course.
Is this java complete course free to take?
Yes. You can access all 68 video lessons and AI-driven quizzes at no cost. You only pay if you decide to add the optional verified certificate to your profile upon completion.
How long does it take to finish the training?
The curriculum contains about 10 hours of video content. Since the platform is entirely self-paced, you can spread the 12 modules over a few days or weeks depending on your schedule.
Can I learn java programming on my mobile phone?
Absolutely. LearnTube works perfectly on mobile browsers and devices. You can watch the curated videos and complete the AI tutor quizzes from anywhere, making it easy to study while commuting.
What will I be able to build after this?
You'll have the skills to build secure, scalable backend systems. By mastering concurrency, networking, and distributed systems, you can develop reliable enterprise-level applications and manage complex database programming tasks.
Is java still in demand for developers?
Yes, it remains a top choice for large enterprises, financial institutions, and Android development. Companies constantly need engineers who understand performance optimization, security, and advanced data binding libraries like Jackson.
Are there any java course fees I should know about?
The learning experience itself is completely free. We do not charge for access to the videos or the AI tutor. The only potential cost is the optional java certification course at the end.
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68 lessons, an AI tutor that never gets tired, and a certificate at the finish line. All you need is an hour a day.
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