Learn Core Java Online: Free Course with AI Tutor & Certificate
You'll start by writing basic Java programs before mastering object-oriented concepts like classes and inheritance. This free java course online packs 76 video lessons into about 1 hour of content. You'll build an Employee Management System, take AI-graded quizzes, and master Java syntax from scratch.
What you'll learn in this Core Java course
Five concrete outcomes you'll walk away with, each mapped to modules in the curriculum below.
Write and run Java programs.
Understand Java syntax and control flow statements.
Manipulate variables, data types, arrays, and strings.
Implement object-oriented programming concepts such as classes, objects, inheritance, and polymorphism.
Utilize Java libraries and APIs for tasks such as date and time manipulation, networking, and GUI programming.
Core Java course syllabus
01 Introduction to Java
- Introduction to Java
- Setting up Java Development Environment
- Writing and Running a Java Program
- Understanding Java Syntax
02 Variables and Data Types
- Variables and Constants
- Primitive Data Types
- Reference Data Types
- Type Casting and Conversion
03 Control Flow Statements
- Conditional Statements (if, else if, else)
- Switch Statement
- Loops (for, while, do-while)
- Break and Continue Statements
04 Arrays and Strings
- Introduction to Arrays
- Array Operations
- Introduction to Strings
- String Operations
05 Object-Oriented Programming in Java
- Introduction to Object-Oriented Programming
- Classes and Objects
- Constructors and Initialization
- Inheritance and Polymorphism
06 Additional Concepts
- Static Keyword and Static Members
- Difference between '==' and 'equals()' Methods
- Difference between 'equals()' and 'hashCode()' Methods
- Difference between a Class and an Object
07 Input and Output
- Reading and Writing to Console
- File Input and Output
- Serialization and Deserialization
- Working with Streams
08 Collections Framework
- Introduction to Collections Framework
- List Interface and ArrayList Class
- Set Interface and HashSet Class
- Map Interface and HashMap Class
09 : Multithreading
- 1 Introduction to Multithreading
- 2 Creating and Running Threads
- 3 Thread Synchronization
- 4 Thread Communication
10 : Java Libraries and APIs
- 1 Introduction to Java Libraries and APIs
- 2 Working with Date and Time
- 3 Regular Expressions
- 4 Networking in Java
11 : Java GUI Programming
- 1 Introduction to Java GUI Programming
- 2 Swing Components
- 3 Event Handling
- 4 Layout Managers
12 : Introduction to JDBC
- 1 Introduction to JDBC
- 2 Connecting to a Database
- 3 Executing SQL Statements
- 4 Retrieving and Modifying Data
13 : Introduction to JavaFX
- 1 Introduction to JavaFX
- 2 JavaFX Application Structure
- 3 UI Controls and Layouts
- 4 Event Handling in JavaFX
14 : Introduction to Java Web Development
- 1 Introduction to Java Web Development
- 2 Servlets and JSP
- 3 JavaServer Faces (JSF)
- 4 Java Persistence API (JPA)
15 : Introduction to Android Development
- 1 Introduction to Android Development
- 2 Android Studio and Project Structure
- 3 User Interface Design
- 4 Handling User Input
16 : Introduction to Spring Framework
- 1 Introduction to Spring Framework
- 2 Dependency Injection
- 3 Spring MVC
- 4 Spring Data
17 : Introduction to Hibernate
- 1 Introduction to Hibernate
- 2 Hibernate Configuration
- 3 Mapping Entities
- 4 Querying with Hibernate
18 : Introduction to RESTful Web Services
- 1 Introduction to RESTful Web Services
- 2 Building RESTful APIs with JAX-RS
- 3 Consuming RESTful APIs
- 4 Securing RESTful APIs
19 : Introduction to Unit Testing in Java
- 1 Introduction to Unit Testing
- 2 JUnit Framework
- 3 Writing Test Cases
- 4 Test Coverage and Reporting
Real-world projects you'll work on
Practice the exact kind of work Core Java professionals do on the job.
Building a Java-based Employee Management System for a Global MNC
Developing a Java Application for Real-time Stock Market Analysis for a Top Startup
Creating a Java-based Customer Relationship Management (CRM) System for a Leading Global MNC
Designing a Java Application for Secure Online Banking for a Cutting-edge Fintech Startup
Skills you'll gain
Add these to your LinkedIn profile and resume the day you finish.
Who should take this Core Java course?
And exactly what you need before starting (spoiler: almost nothing).
This course is for
- College students in India looking to build a strong foundation in backend programming.
- IT professionals who want to transition into software development roles.
- Self-taught coders seeking a structured java basics course to fill knowledge gaps.
- Anyone aiming to learn core java programming without paying high course fees.
Prerequisites
- No prior coding experience is required to begin this course.
- A basic understanding of how to use a computer and install software.
- A willingness to practice writing code alongside the video lessons.
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 Core Java course: free, structured and job-focused
You'll begin by writing and running functional Java programs, quickly moving from basic syntax to complex logic. This online java programming course covers everything from Variables and Data Types to Control Flow Statements and Arrays and Strings. As you progress, you'll master Object-Oriented Programming in Java. You will learn to manipulate data types, implement inheritance, and utilize Java libraries and APIs for networking and GUI programming. It's a highly practical curriculum designed to get you coding fast.
The learning experience on LearnTube is built around active practice. We organize the best YouTube video lessons into 19 structured modules, starting with an Introduction to Java. After every single video, an AI tutor tests your knowledge with a quick quiz. This ensures you actually remember what you watch. You'll also complete four hands-on projects, including Building a Java-based Employee Management System for a Global MNC and Developing a Java Application for Real-time Stock Market Analysis for a Top Startup.
Learning on our platform is completely free. You can access all 76 video lessons and AI quizzes without paying anything. If you want to prove your new skills to employers, you can choose to purchase an optional verified certificate at the end. By the time you finish the final modules on JDBC, JavaFX, and the Spring Framework, you'll be ready to write clean, efficient code for real software development roles.
Jobs you can target after learning Core Java
Core Java is a gateway skill for some of the fastest-growing roles in tech.
Writes, tests, and maintains backend application code.
Designs and develops software solutions for business needs.
Manages server-side logic and database integrations using Java.
Typical entry-level salary ranges in India as of August 2026. Actual compensation varies by city, company and experience.
Earn a Core 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 Core Java course.
Is this java language course really free?
Yes, the entire learning experience is completely free. You can watch all 76 video lessons and take the AI-tutor quizzes at no cost. You only pay if you decide to add the optional certificate upon completion.
Is Core Java still in demand for software jobs?
Yes, Java remains one of the most widely used programming languages globally. Large enterprises rely heavily on it for backend systems, Android applications, and financial software. Learning it provides a highly stable foundation for a software engineering career.
How is this different from watching regular YouTube videos?
LearnTube structures the best educational videos into a logical path of 19 modules. Instead of just watching passively, an AI tutor gives you a quiz after every lesson to ensure you actually understand the concepts.
Will I receive a certificate after finishing the classes?
Yes, you can earn a verified certificate once you complete the course. This is an optional paid upgrade that you can attach to your resume or LinkedIn profile to show employers your new programming skills.
How long does this online java programming course take?
The course features about 1 hour of total video content spread across 76 short lessons. Because it is entirely self-paced, you can finish it in a single afternoon or spread the modules out over a week.
Are there any projects included in the curriculum?
Yes, you will build four hands-on projects to practice your skills. These include creating an Employee Management System and developing a real-time stock market analysis application to give you practical coding experience.
Do I need to know C or C++ before starting?
No, you do not need any prior programming knowledge. The Introduction to Java module starts from the absolute basics, making it easy for complete beginners to understand variables, data types, and control flow statements.
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76 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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