Java courses can help you learn object-oriented programming, data structures, exception handling, and multithreading concepts. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, File Management, Application Development, Maintainability, Software Design, Programming Principles, Development Environment, Program Development, Computer Programming, Data Structures, Data Management, Integrated Development Environments, Debugging, Data Validation
Beginner · Specialization · 3 - 6 Months
Duke University
Skills you'll gain: File I/O, Java Programming, Software Design, Debugging, Software Engineering, Javascript, Computer Programming, Event-Driven Programming, Encryption, Algorithms, Image Analysis, AI Personalization, Program Development, Data Processing, Statistical Analysis, Data Import/Export, Predictive Modeling, Integrated Development Environments, Data Analysis, Cascading Style Sheets (CSS)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Software Development Life Cycle, Cloud-Native Computing, Software Architecture, Hibernate (Java), Database Design, Responsive Web Design, Docker (Software), Containerization, Git (Version Control System), GitHub, Object Oriented Programming (OOP), CI/CD, Restful API, Java Programming, Model Deployment, Engineering Software, Version Control, Database Management, Software Design
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Java Programming, Java, Development Environment, Computer Programming, Integrated Development Environments, Object Oriented Programming (OOP), Data Structures, File I/O, Debugging
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Eclipse (Software), Java, Java Programming, Integrated Development Environments, Development Environment, Computer Programming, Programming Principles, Object Oriented Programming (OOP), Debugging
Beginner · Course · 1 - 4 Weeks
Multiple educators
Skills you'll gain: Unit Testing, Data Structures, Event-Driven Programming, File I/O, Interactive Data Visualization, Java, Java Programming, User Interface (UI), Object Oriented Programming (OOP), JUnit, Debugging, Object Oriented Design, Computer Programming, Cryptography, Software Engineering, Performance Tuning, Algorithms, Data Analysis, Software Design, Problem Solving
Beginner · Specialization · 3 - 6 Months
LearnQuest
Skills you'll gain: Java Programming, Java, File I/O, Eclipse (Software), Object Oriented Programming (OOP), Object Oriented Design, Integrated Development Environments, Development Environment, Software Design, Computer Programming, Application Frameworks, Programming Principles, Virtual Machines, Web Development, Data Persistence, Debugging, Package and Software Management, Data Structures
Intermediate · Specialization · 3 - 6 Months

Amazon
Skills you'll gain: File I/O, Object Oriented Programming (OOP), Object Oriented Design, Java, Software Design, Maintainability, Debugging, Data Structures
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, HTML and CSS, Data Structures, Spring Boot, Eclipse (Software), Restful API, Java Programming, JavaScript Frameworks, Object Oriented Programming (OOP), Model View Controller, Java, Front-End Web Development, Spring Framework, Object Oriented Design, Integrated Development Environments, Javascript, Software Design Patterns, Development Environment, Web Applications, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

Heriot-Watt University
Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Computer Programming, Application Development, Programming Principles, Computational Logic, Software Development, Debugging, Data Structures
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Oracle
Skills you'll gain: Java, Object Oriented Programming (OOP), Oracle Cloud, Computer Programming, Cloud Development, Integrated Development Environments, Development Environment
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Debugging, Java, Algorithms, Java Programming, Program Development, Programming Principles, Statistical Analysis, Software Design, Computer Programming, Data Import/Export, Integrated Development Environments, File I/O, Data Processing, Software Documentation, Data Manipulation, Object Oriented Programming (OOP), API Design, Data Analysis, Software Testing, Problem Solving
Beginner · Course · 1 - 3 Months
Java is a versatile, high-level programming language that has become a cornerstone of modern software development. Created in the mid-1990s, Java is known for its portability across platforms, thanks to the Java Virtual Machine (JVM). This means that Java applications can run on any device that has the JVM installed, making it a popular choice for web applications, mobile apps, and enterprise-level software. Its importance lies in its widespread use in various industries, including finance, healthcare, and technology, as well as its role in developing Android applications and large-scale systems.‎
A variety of job opportunities are available for those skilled in Java. Common roles include Java Developer, Software Engineer, Backend Developer, and Application Developer. Additionally, positions such as Java Architect and Java Consultant are also in demand, especially for those with experience in enterprise applications. Companies often seek Java professionals for their ability to build robust, scalable applications, making this skill set highly valuable in the job market.‎
To learn Java effectively, you should focus on several key skills. First, understanding the basics of programming concepts such as variables, control structures, and data types is essential. Next, familiarize yourself with object-oriented programming principles, which are fundamental to Java. Additionally, learning about Java libraries and frameworks, such as Spring and Hibernate, can enhance your development capabilities. Familiarity with databases and version control systems like Git will also be beneficial as you progress in your Java journey.‎
There are numerous online courses available to help you learn Java. Some of the best options include the IBM Java Developer Professional Certificate and the Core Java Specialization. These programs cover a range of topics from foundational concepts to advanced techniques, providing a comprehensive learning experience tailored to different skill levels.‎
Yes. You can start learning Java on Coursera for free in two ways:
If you want to keep learning, earn a certificate in Java, or unlock full course access after the preview or trial, you can upgrade or apply for financial aid.‎
To learn Java, start by choosing a structured course or specialization that fits your current skill level. Begin with the basics, focusing on syntax and fundamental programming concepts. Practice coding regularly to reinforce your learning, and consider working on small projects to apply what you've learned. Utilize online resources, forums, and communities to seek help and share your progress. As you gain confidence, gradually explore more advanced topics and frameworks.‎
Java courses typically cover a range of topics, including basic syntax, control structures, data types, and object-oriented programming principles. Advanced courses may explore into frameworks like Spring, database connectivity, and software design patterns. Additionally, many courses incorporate hands-on projects to help you apply your knowledge in real-world scenarios, enhancing your learning experience.‎
For training and upskilling employees, the Java FullStack Developer Specialization and the Java Development Deep Dive Specialization are excellent choices. These programs provide comprehensive training that covers both front-end and back-end development, equipping employees with the skills needed to tackle a variety of Java-related projects effectively.‎