Learn Java Developer Online: Free Course with AI Tutor & Certificate
Build secure applications and complex backend systems with this complete java course. You'll complete 11 modules and 95 video lessons over about 18 hours. Master object-oriented programming, multithreading, and data structures while building a Custom JVM Bytecode Interpreter and other real-world projects.
What you'll learn in this Java Developer course
Five concrete outcomes you'll walk away with, each mapped to modules in the curriculum below.
Understand the fundamentals of Java programming and its applications in the real world.
Develop proficiency in object-oriented programming concepts, including polymorphism, inheritance, and inner classes.
Gain knowledge and practical experience in working with Java generics and collections.
Learn advanced concepts in concurrency and multithreading, including thread management, synchronization techniques, and thread pools.
Acquire skills in Java I/O and NIO, including file handling, serialization, and networking concepts.
Java Developer course syllabus
01 Introduction to Java Advanced
- Why Should You Learn Java Advanced?
- Roadmap to Learning Java
- Applications of Java in Real World
- Top Jobs in Java
02 Java Object-Oriented Programming
- Deep Dive into Polymorphism
- Advanced Inheritance Techniques
- Using Inner and Anonymous Classes
- Enum Types in Depth
- Understanding Object Cloning
- Java Reflection API
- Annotations
- Functional Interface in Java
- Method Reference in Java
- Advanced Method Overriding
- Working with Varargs
- Advanced Use of this and super
03 Java Generics
- Introduction to Generics
- Type Parameters
- Bounded Type Parameters
- Generic Methods
- Generics and Wildcards in Java | Part 1
- Generics and Wildcards in Java | Part 2
- Type Erasure
- Generics and Collections
- Creating Generic Classes
- Creating Generic Interfaces
04 Collections and Data Structures in Java
- Deep Dive into Collections Framework
- Using Concurrent Collections
- Map and HashMap in Java
- TreeMap
- NavigableMap
- ConcurrentHashMap
- CopyOnWriteArrayList
- Implementing a Custom Iterator
05 Concurrency and Multithreading in Java
- Advanced Thread Management
- Understanding Java Memory Model
- Thread Synchronization Techniques
- Locks in Java
- ReentrantLock in Java
- Volatile vs Atomic
- Concurrent Utilities
- Fork/Join Framework
- CompletableFuture and Asynchronous Programming
- Thread Local Variables
- Handling Deadlocks and Livelocks
- Executors and Thread Pools
06 Java I/O and NIO
- File Handling
- Understanding Java NIO
- Asynchronous I/O
- Working with Memory-Mapped Files Part 1
- Working with Memory-Mapped Files Part 2
- Advanced Serialization Techniques
- Custom Serialization & Deserialization
07 Java Networking and Security
- Java Networking Concepts
- UDP Socket Programming in Java
- Socket Programming in Java One Way
- Socket Programming in Java Two Way
- JAAS (Java Authentication and Authorization Service)
- GlassFish + Basic Authentication
- Tomcat + Basic Authentication
- Tomcat 7 + Form Authentication
- Creating Secret Keys to encrypt a message
- Exporting the Key for different applications
- Creating Public and Private Keys for Secure Communication
08 Java Database Connectivity (JDBC)
- Advanced JDBC Techniques
- Database connection pools
- Batch Processing
- Working with Transactions
- Using RowSet
- Using CachedRowSet
- ResultSet Handling
- CallableStatement
09 Java Functional Programming
- Advanced Lambda Expressions
- Stream API in Depth
- Parallel Streams
- Using Optionals Effectively
- Functional Interfaces and SAM Types
- Method References
- Constructors
- Higher-Order Functions
- Working with Infinite Streams
10 Design Patterns in Java
- Introduction to Design Patterns
- Factory Design Pattern
- Builder Design Pattern
- Adapter Design Pattern
- Composite Design Pattern
- Prototype Design Pattern
- Observer Design Pattern
11 Advanced Java Web Development
- Java Servlets Deep Dive
- JSP Techniques Part 1
- JSP Techniques Part 2
- Understanding JAX-RS
- Working with JSON
- Developing SOAP Web Services Part 1
- Developing SOAP Web Services Part 2
Real-world projects you'll work on
Practice the exact kind of work Java Developer professionals do on the job.
Creating a Tic-Tac-Toe Game
Building an Interactive Quiz Game: Design a Text-Based Quiz Application that Grades Users on Java Fundamentals.
Virtual Library Management System
Personal Finance Tracker
Custom JVM Bytecode Interpreter
Skills you'll gain
Add these to your LinkedIn profile and resume the day you finish.
Who should take this Java Developer course?
And exactly what you need before starting (spoiler: almost nothing).
This course is for
- Computer science students preparing for technical interviews or software engineering roles.
- Working professionals looking to transition into backend development using Java.
- Career switchers who want to learn a widely used enterprise programming language.
- IT support staff aiming to build real-world coding projects for their portfolio.
Prerequisites
- A basic understanding of programming concepts is helpful but not mandatory.
- Familiarity with basic computer operations and file management.
- A computer with internet access to write and compile Java code.
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 Developer course: free, structured and job-focused
Design text-based quiz applications, build virtual library management systems, and write secure backend code. This java programming course takes you from basic syntax to advanced enterprise architecture. You'll start with the first lesson, Why Should You Learn Java Advanced?, before moving through 11 modules covering Java Object-Oriented Programming, Java Generics, and Collections and Data Structures in Java. The curriculum includes advanced concepts like Concurrency and Multithreading in Java, Java I/O and NIO, and Design Patterns in Java.
You'll apply your new skills immediately through five hands-on projects. Build an Interactive Quiz Game, create a Personal Finance Tracker, and develop a Custom JVM Bytecode Interpreter. It's a practical way to master Advanced Java Web Development and Java Networking and Security. Along the way, you will learn thread management, synchronization techniques, and how to work with JDBC for database connectivity.
LearnTube makes it simple to learn java online for free. We curate the best YouTube video lessons and pair them with an AI tutor that quizzes you after every single video. You can study at your own pace through all 95 lessons, which take about 18 hours to complete. The learning content is entirely free, and you can choose to purchase an optional certificate at the end to display on your resume.
Jobs you can target after learning Java Developer
Java Developer is a gateway skill for some of the fastest-growing roles in tech.
Writes, tests, and maintains backend application code for businesses.
Designs server-side architecture and manages database interactions.
Develops software solutions across the entire application lifecycle.
Typical entry-level salary ranges in India as of August 2026. Actual compensation varies by city, company and experience.
Earn a Java Developer 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 Developer course.
What will I be able to build after this java course?
You'll be able to create secure backend systems, interactive applications, and database-driven software. The course includes five practical projects, such as a Personal Finance Tracker and a Custom JVM Bytecode Interpreter, giving you real hands-on experience.
Is Java still in demand for software engineering?
Yes. Java remains a core language for enterprise systems, Android applications, and large-scale backend infrastructure. Many major companies rely on it, making this java developer course highly relevant for securing roles in software development.
Are there any java course fees to access the lessons?
No. All 95 video lessons and AI-tutor quizzes are entirely free to access. You only pay if you decide to purchase the optional certificate of completion at the end of your studies.
How long does it take to complete this java training?
The curriculum contains about 18 hours of video content across 11 modules. Since it is entirely self-paced, you can finish it in a few weeks or spread it out over several months depending on your schedule.
What does the certificate include?
The optional paid certificate proves you completed the curriculum and built the required projects. It includes your name, the course title, and LearnTube branding. You can easily attach it to your LinkedIn profile or resume.
Do I need prior coding experience for these java online classes?
Basic familiarity with computers is enough, though knowing fundamental programming logic helps. The curriculum starts with introductory concepts before moving into complex topics like multithreading, making it a great java course for beginners and intermediate learners.
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95 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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