Java Online Course Free With Certificate | Learn Java in 21 Days

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Free Java Course Overview

Free Java Certification Course

ScholarHat’s Free Java Certification Course is designed for beginners with no prior experience in programming. Spanning 10 self-paced modules with over 250 video lessons, this course covers Java basics, OOP principles, collections, and practical tools through engaging videos, hands-on labs, and interactive quizzes. Perfect for learners searching for “free Java certification course,” “free Java course online,” or “free Java course.”

Key Skills You'll Master in This Free Java Certification Course

Java Fundamentals and Syntax: Understand variables, data types, control structures, loops, and methods for building basic programs.
Object-Oriented Programming (OOP): Dive into classes, objects, inheritance, polymorphism, encapsulation, and abstraction using Java SE.
Data Structures and Algorithms: Explore arrays, lists, sets, maps, sorting, searching, and recursion for efficient code.
Exception Handling and I/O: Master try-catch blocks, file handling, streams, and serialization for robust applications.
Java Collections Framework: Leverage ArrayList, HashMap, TreeSet, and iterators for efficient data management.
Multithreading and Concurrency: Implement threads, synchronization, executors, and concurrent collections for parallel processing.
Database Integration with JDBC: Connect Java applications to databases, execute SQL queries, and handle transactions efficiently.
Web Development Basics: Build simple servlets, JSP, and REST APIs with Java EE fundamentals.
Testing and Best Practices: Write unit tests with JUnit, apply design patterns, and follow SOLID principles for clean, maintainable code.
Project Building: Develop real-world projects like a banking system, inventory management app, or simple web service to apply your skills.

By completing this Free Java Certification Course, you’ll gain a solid foundation in software development and earn a free Java certification to showcase on your LinkedIn profile or Resume.

Why Learn Java Programming?

Platform Independence: Write once, and run anywhere with Java's robust cross-platform capabilities.
Foundation for Advanced Development: Essential for Android development and large-scale enterprise systems.
Versatility: Suitable for desktop, web, mobile, and cloud applications.
Object-Oriented Programming: Master OOP principles that simplify complex programming tasks.
Career Opportunities: In-demand language with diverse job roles in software development.

Career Opportunities with a Free Java Course Certificate

Software Developer: Build Java to create web, mobile, and enterprise apps.
Android Developer: Design feature-rich mobile apps for the Android platform.
Backend Developer: Create powerful backend systems for web apps.
Full-Stack Developer: Responsible for both the client and server sides of applications.
DevOps Engineer: Use Java to automate deployment pipelines and manage apps.
Data Engineer: Use Java to manage large datasets and ETL pipelines.

Tools for Learning Java Programming

Code Editor: Use IntelliJ IDEA, Eclipse, or Visual Studio Code for writing and managing Java code efficiently.
IDE: For a full development and debugging environment, use IntelliJ IDEA or NetBeans.
Compiler: Use the Java Development Kit (JDK) to compile and execute Java programs.
Debugger: Use built-in debugging tools in popular IDEs for code analysis.
Online Platforms: Practice coding on platforms like Scholarhat, & LeetCode for hands-on experience.
Version Control: Use Git to track and manage code changes effectively.

Java Free Course Features

Beginner-Friendly Curriculum: Designed for students new to programming, this curriculum covers key Java topics in an easy-to-follow manner.
Structured Learning Path: Move through well-organized sections, starting with the basics and progressing to more advanced topics.
Interactive Lessons: To encourage learning, combine video tutorials and hands-on practice.
Core Topics Covered: Learn about variables, loops, object-oriented programming concepts, data structures, exception handling, collections, & multithreading.
Free Certification: Showcase your abilities by receiving a free certificate upon completion.
Self-Paced Learning: Course materials are available 24/7, allowing you to learn at your own pace.

Eligibility Criteria for Learning the Java Programming Course

There are no specific prerequisites for enrolling in this free java course with certificate. It is designed for beginners and open to anyone interested in programming. However, basic computer literacy and familiarity with using a computer and the internet are helpful. A logical mindset and enthusiasm for problem-solving will make your learning experience smoother and more enjoyable.

This course includes

Video Course
~~₹1180~~ Free
Hands-on Labs
~~₹944~~ Free
Quick Notes
~~₹354~~ Free

100 % OFF

~~₹ 2,478~~ Free

Included in this Course

Introduction to Java

Java Introduction

Preview 06m 55s

JRE JVM and JDK

07m 52s

Demo- Hello Word Program

04m 44s

Variables

07m 25s

DataTypes

Data Types

12m 38s

Data Types Difference

05m 36s

Type Casting

02m 21s

Demo-Type Casting

10m 21s

Wrapper Classes

01m 58s

Demo-Wrapper Classes

08m 25s

Conditional Statements

02m 16s

If Else Statement

If Statement

04m 30s

If Else Statement

01m 04s

Demo-If Else Statement

02m 22s

If Else If Else Statement

04m 48s

Switch Statement

06m 32s

Operators

01m 13s

Arithmetic-Operators

03m 37s

Relational Operators

03m 30s

Logical Operators

05m 50s

Conditional Operators

03m 48s

Course Overview

00m 38s

For Loop

Loops-Introduction

01m 56s

For Loop

09m 00s

while And Do While

While Loop

06m 03s

Do While Loop

06m 08s

For Each Loop

05m 10s

Jump Statement

06m 35s

Arrays

Arrays Agenda

00m 42s

Array Introduction

06m 11s

Single Dimensional Array-Example

04m 25s

Multi Dimensional Arrays-Example

06m 49s

Strings

String Agenda

00m 49s

String Introduction

07m 58s

strings Methods

05m 14s

Oops java Introduction

Course Overview

00m 52s

Oops Introduction

03m 55s

Class and Objects

03m 46s

Demo Class and Objects

10m 07s

Encapsulation

05m 22s

Access Modefire

07m 55s

Getter and Setter Methods

07m 42s

Constructor

08m 05s

Parameterized Constructors

08m 24s

Constructor Overloading

05m 07s

Constructor Chaining

04m 35s

Inhertiance

03m 58s

Demo Inheritance

05m 48s

Types of Inheritance

16m 44s

Constructor Chaining with Inheritance

11m 13s

Polymorphism

03m 54s

Method Overloading

08m 11s

Can We Overload Main method?

04m 09s

Demo Method Overloading

14m 22s

Interfaces

Abstract class and Abstract Method

14m 47s

Interfaces

11m 57s

Collection Framework

Collection Framework Introduction

04m 27s

Iterable Iterator Interface

16m 12s

Collection Interface

08m 29s

List Interface Example

09m 45s

Comparable Interface

09m 34s

Comparator Interface

07m 36s

Queue Interface

09m 16s

Set Interface

09m 26s

Map Interface

11m 01s

Generics

Generic Agenda

00m 56s

Need of Generics

06m 26s

Poor Solution

06m 22s

Generic Introduction

03m 55s

Generic Class

09m 13s

Generic with Primitive Types

04m 32s

Constraint With Generics

06m 58s

The Comparable Interface

14m 43s

This course includes

Video Course
~~₹1180~~ Free
Hands-on Labs
~~₹944~~ Free
Quick Notes
~~₹354~~ Free

100 % OFF

~~₹ 2,478~~ Free

Free Java Course Certification FAQs

Are there any hidden charges for the certification?
No, the course and certification are completely free. There are no hidden charges.
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
Can I earn multiple free certifications?
Yes, you can enroll in multiple courses and earn free certifications for each course you successfully complete.
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.

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Frequently Asked Questions

Q1. What topics are covered in the Free Java Online Course?

The course encompasses Java fundamentals, including object-oriented programming (OOP), data structures, exception handling, multithreading, collections, and real-world project development.

Q2. Is the Java course truly free?

Yes! ScholarHat offers the Java course entirely free, providing access to all video tutorials, hands-on labs, quick notes, and a certificate upon successful completion.

Q3. Will I receive a certificate after completing the course?

Absolutely! Upon finishing all modules and passing the final assessment, you'll receive a certificate of completion from ScholarHat to showcase your skills.

Q4. How long does 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.

Q5. What tools do I need to start learning Java?

You'll need a code editor (like IntelliJ IDEA, Eclipse, or Visual Studio Code), the Java Development Kit (JDK) to compile and execute Java programs, and optionally, an IDE like NetBeans.

Q6. How will this course benefit my career?

Learning Java opens up opportunities in software development, Android development, backend development, and more. It's a foundational skill valued in various tech roles.

Q7. Can I learn Java in 21 days?

Yes, you can learn the basics of Java in 21 days if you stay consistent and follow a focused learning plan. In three weeks, you can cover fundamental concepts like syntax, data types, loops, conditionals, classes, and object-oriented programming. However, becoming truly confident in Java — especially for real-world projects or interviews — takes regular practice beyond 21 days. Use this period to build a strong foundation, and keep learning by building projects and solving coding challenges.

Q8. Do I need programming experience to join this Java course?

No prior coding experience is needed. This course is ideal for beginners who want to learn Java from scratch and understand how Java works in real-world applications.

Q9. Is this Java course suitable for students and working professionals?

Yes, the course is designed for both students and professionals who want to learn Java quickly. It's flexible and can be completed at your own pace.

Q10. Will this free Java course help me in job interviews or placements?

Definitely. The course not only teaches you Java programming basics but also prepares you for technical interviews by focusing on concepts used in real-world development and coding interviews.

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.

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Java Online Course Free With Certificate | Learn Java in 21 Days

Free Java Course Overview

Free Java Certification Course

Key Skills You'll Master in This Free Java Certification Course

Why Learn Java Programming?

Career Opportunities with a Free Java Course Certificate

Tools for Learning Java Programming

Java Free Course Features

Eligibility Criteria for Learning the Java Programming Course

This course includes

Included in this Course

Module 1. Java Fundamentals Lessons (10)

Java Introduction

JRE JVM and JDK

Demo- Hello Word Program

Variables

Data Types

Data Types Difference

Type Casting

Demo-Type Casting

Wrapper Classes

Demo-Wrapper Classes

Module 2. Java Conditional Statements Lessons (11)

Conditional Statements

If Statement

If Else Statement

Demo-If Else Statement

If Else If Else Statement

Switch Statement

Operators

Arithmetic-Operators

Relational Operators

Logical Operators

Conditional Operators

Module 3. Java Loops and Jump Statements Lessons (7)

Course Overview

Loops-Introduction

For Loop

While Loop

Do While Loop

For Each Loop

Jump Statement

Module 4. Java Arrays and Strings Lessons (7)

Arrays Agenda

Array Introduction

Single Dimensional Array-Example

Multi Dimensional Arrays-Example

String Agenda

String Introduction

strings Methods

Module 5. Java: Object Oriented Programming Lessons (21)

Course Overview

Oops Introduction

Class and Objects

Demo Class and Objects

Encapsulation

Access Modefire

Getter and Setter Methods

Constructor

Parameterized Constructors

Constructor Overloading

Constructor Chaining

Inhertiance

Demo Inheritance

Types of Inheritance

Constructor Chaining with Inheritance

Polymorphism

Method Overloading

Can We Overload Main method?