What is Java?
Java is a versatile and widely-used programming language and computing platform. It was originally developed by Sun Microsystems (now owned by Oracle Corporation) in the mid-1990s. Java is known for its portability, reliability, and platform independence, which means that Java code can run on different platforms without modification.
Why learn Java?
- Â Platform Independence
Java’s “Write Once, Run Anywhere” (WORA) principle allows you to write code on one platform and run it on multiple platforms without modification. This portability makes Java suitable for cross-platform development, which is essential in today’s diverse computing landscape.
- Versatility
Java is a versatile language used in various domains, including web and mobile app development, backend services, desktop applications, scientific computing, and embedded systems. Learning Java opens up opportunities in a wide range of industries and applications.
- Strong Job Market
Java developers are in high demand, and job opportunities for Java professionals are abundant. Many large enterprises, financial institutions, and tech companies rely on Java for their software development needs.
- Enterprise-Grade Development
Java is well-suited for building scalable and reliable enterprise-level applications. It is widely used in developing backend systems, web services, and large-scale server applications.
- Large and Active Community
Java has a vast and active developer community, which means you can find a wealth of resources, documentation, tutorials, and open-source libraries to support your learning and development efforts.
Top 10 Free Best Online Java Courses with Certificate
1.Java Course Online for Beginners by Scaler Topics
Course Overview
Provider – Scaler Topics
Level – Â Beginner
Cost – Free
Course Highlights
- Structured Curriculum
The course is structured to take you through the fundamentals of Java programming systematically.
- Hands-On Practice
You can expect hands-on coding exercises and projects to apply what you learn.
- Real-World Examples
The course likely includes real-world examples to help you understand how Java is used in practical applications.
2.Java Tutorial for Complete Beginners by Udemy
The “Java Tutorial for Complete Beginners” is a popular online course hosted on Udemy, and it is designed to introduce Java programming to individuals with little or no prior programming experience.
Course Highlights
- Comprehensive Coverage
This course aims to cover the fundamental concepts of Java programming from scratch, making it suitable for complete beginners.
- Hands-On Projects
You can expect to work on hands-on coding projects and exercises to practice what you learn.
- Lifetime Access
Typically, once you purchase a Udemy course, you have lifetime access to the course materials, including any updates.
- Certificate
Upon completing the course, you may receive a certificate of completion from Udemy.
3.Object-Oriented Programming in Java by Coursera
The “Object-Oriented Programming in Java” course on Coursera is offered by the University of California, San Diego. It is part of the “Java Programming and Software Engineering Fundamentals” specialization. This specialization provides in-depth coverage of Java programming and software engineering concepts.
Course Overview
Provider – Coursera (University of California, San Diego)
Level – Beginner to Intermediate
Cost – The course is part of a specialization, which may have a subscription fee. Coursera often offers financial aid for learners who qualify.
Course Highlights
- University-Affiliated
The course is offered by a reputable university, which can add credibility to your learning experience.
- Specialization
It’s part of a larger specialization, allowing you to explore related topics and earn a specialization certificate.
- Hands-On Coding
The course includes hands-on programming assignments and projects to apply your knowledge of Java and object-oriented programming.
4.Java Programming by Great Learning
 The “Java Programming” course offered by Great Learning is designed to provide learners with a comprehensive understanding of Java programming concepts and practical coding skills.
Course Overview
Provider: Great Learning
Level: Beginner to Intermediate
Cost: The course is typically available for free on the Great Learning platform.
Course Highlights
- Comprehensive Coverage
This course aims to cover a wide range of Java programming topics, making it suitable for both beginners and intermediate learners.
- Hands-On Practice
You can expect to work on practical coding exercises and projects to apply what you learn.
- Certificate
Upon completing the course, you may receive a certificate of completion from Great Learning.
5.Core Java Basics by UpGrad
 The “Core Java Basics” course offered by UpGrad is designed to provide learners with foundational knowledge of Java programming.
Course Overview
Provider – UpGrad
Level – Beginner
Cost – The course is often available for free on the UpGrad platform.
Course Highlights
- Foundational Learning
This course focuses on teaching the fundamental concepts of Java programming, making it suitable for beginners looking to get started with Java.
- Hands-On Practice
You can expect to engage in hands-on coding exercises and practical assignments to reinforce your understanding of Java basics.
- Certificate
Upon completing the course, you may receive a certificate of completion from UpGrad.
6.Practice Java by Building Projects on Udemy
The “Practice Java by Building Projects” course on Udemy is designed to teach Java programming through practical project-based learning.
Course Overview
Provider – Â Udemy
Level – Beginner to Intermediate
Cost – The course is typically available for purchase on Udemy, but Udemy frequently offers promotions and discounts. You can check the Udemy website for current pricing.
Course Highlights
- Project-Based Learning
This course focuses on hands-on learning through building practical Java projects, which can reinforce your programming skills.
- Comprehensive Coverage
You can expect to work on multiple projects, covering various aspects of Java programming.
- Lifetime Access
Once you purchase a Udemy course, you typically have lifetime access to the course materials, including any updates.
- Certificate
Upon completing the course, you may receive a certificate of completion from Udemy.
7.Java for Absolute Beginners by Udemy
The “Java for Absolute Beginners” course on Udemy is designed to introduce individuals with little or no prior programming experience to the fundamentals of Java programming.
Course Overview
Provider – Â Udemy
Level – Â Absolute Beginner
Cost – Â The course is typically available for purchase on Udemy, but Udemy frequently offers promotions and discounts. You can check the Udemy website for current pricing.
Course Highlights
- Targeted for Absolute Beginners
This course is specifically designed for individuals who have no prior programming experience, making it a great starting point.
Comprehensive Coverage
The course aims to cover essential Java programming concepts and syntax from scratch.
- Lifetime Access
Once you purchase a Udemy course, you typically have lifetime access to the course materials, including any updates.
- Certificate
Upon completing the course, you may receive a certificate of completion from Udemy.
8.Java Programming and Software Engineering Fundamentals Specialization by Coursera
The “Java Programming and Software Engineering Fundamentals Specialization” on Coursera is a comprehensive series of courses offered by Duke University. It covers various aspects of Java programming and software engineering principles.
Specialization Overview
Provider – Â Coursera (Duke University)
Level – Â Beginner to Intermediate
Cost – Coursera often provides a subscription model for access to specializations. Learners can audit individual courses for free, but a subscription may be required for graded assignments and certificates.
Specialization Highlights
- University-Affiliated
The specialization is offered by Duke University, which adds academic credibility to your learning experience.
- Comprehensive Learning Path
This specialization consists of multiple courses, providing a structured and comprehensive learning path.
- Hands-On Projects
You can expect to work on hands-on programming assignments and projects to apply your knowledge.
9.Java 9 New Features In Simple Way: JShell, JPMS and More by Udemy
The “Java 9 New Features In Simple Way: JShell, JPMS, and More” course on Udemy is designed to provide learners with insights into the new features introduced in Java 9. It focuses on practical explanations and applications of these features.
Course Overview
 Provider –  Udemy
Level – Â Intermediate (Assumes some prior Java knowledge)
Cost – Â The course is typically available for purchase on Udemy, but Udemy frequently offers promotions and discounts. You can check the Udemy website for current pricing.
 Course Highlights
- Focused on Java 9 Features
This course specifically targets the new features introduced in Java 9, making it suitable for learners who want to stay up to date with the latest Java advancements.
- Practical Applications
The course aims to provide practical insights into how to use Java 9 features effectively through hands-on examples.
- Lifetime Access
Once you purchase a Udemy course, you typically have lifetime access to the course materials, including any updates.
- Certificate
Upon completing the course, you may receive a certificate of completion from Udemy.
10.Data Structures & Algorithms in Java by Great Learning
The “Data Structures & Algorithms in Java” course offered by Great Learning is designed to teach data structures and algorithms using the Java programming language.
 Course Overview
Provider – Â Great Learning
Level – Â Intermediate to Advanced
Cost – The course is often available for free on the Great Learning platform.
Course Highlights
- Focus on Data Structures and Algorithms
This course is dedicated to teaching the fundamental data structures and algorithms that are crucial for software development and problem-solving.
- Comprehensive Coverage
You can expect a thorough exploration of various data structures (e.g., arrays, linked lists, trees) and algorithms (e.g., sorting, searching, graph algorithms) implemented in Java.
- Hands-On Practice
The course includes coding exercises and projects to help you apply data structures and algorithms in practical scenarios.
- Certificate
Upon completing the course, you may receive a certificate of completion from Great Learning.
Tips to Choose the Best Online Java Course
- Determine Your Skill Level
Assess your current knowledge and skill level in Java. Are you a beginner, intermediate learner, or an advanced developer? Look for courses that match your proficiency level.
- Define Your Learning Objectives
Clarify your goals. Do you want to learn Java for web development, Android app development, data science, or general programming? Knowing your objectives will help you choose a course that aligns with your goals.
- Check the Course Content
Review the course syllabus and content. Ensure that the course covers the topics you want to learn. Look for courses that include both theoretical concepts and practical coding exercises.
- Read Reviews and Ratings
Read reviews and ratings from other learners who have taken the course. This can provide insights into the course’s quality, effectiveness, and whether it meets expectations.
- Instructor’s Qualifications
Investigate the instructor’s background and qualifications. An experienced and knowledgeable instructor can greatly impact your learning experience.
- Course Format
Consider the course format. Some people prefer video lectures, while others prefer text-based tutorials. Choose a format that suits your learning style.
Conclusion
In conclusion, choosing the right online Java course is a critical step in your learning journey. To make an informed decision, consider factors such as your skill level, learning objectives, course content, instructor’s qualifications, interactivity, and flexibility. Read reviews, compare courses, and take advantage of free previews or trial periods when available. Whether you’re a beginner or an experienced programmer, selecting the best course that suits your needs and aligns with your goals will help you build a strong foundation in Java programming and advance your career in software development.
FAQS
1.What is Java, and why is it popular?
Java is a versatile, object-oriented programming language known for its portability, security features, and wide range of applications, from web development to Android app development.
2.How do I get started with Java programming?
To get started with Java, you’ll need to install the Java Development Kit (JDK), choose a code editor or integrated development environment (IDE), and begin learning Java syntax and concepts.
3.What are the key features of Java?
Key features of Java include platform independence, object-oriented programming, automatic memory management (garbage collection), robustness, and security.
4.What are the basic data types in Java?
Java has primitive data types like int, float, and char, as well as reference data types like objects and arrays.
5.What is object-oriented programming (OOP) in Java?
OOP is a programming paradigm in which code is organized into objects that represent real-world entities. Java is an OOP language, and OOP concepts include classes, objects, inheritance, and encapsulation.