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: Programming Principles, Data Import/Export, Integrated Development Environments, Debugging, File Management
Beginner · Course · 3 - 6 Months

Skills you'll gain: Data Preprocessing, Model Evaluation, Model Deployment, MLOps (Machine Learning Operations), JUnit, Decision Tree Learning, Build Tools, Performance Tuning, Classification And Regression Tree (CART), Java, Apache Maven, Data Structures, Random Forest Algorithm, Gradle, Data Pipelines, Software Architecture, Software Design, Machine Learning, Object Oriented Programming (OOP), Apache
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: JUnit, Apache Maven, Spring Boot, Model View Controller, Unit Testing, Frontend Integration, Microservices, Application Development, Spring Framework, Redis, Restful API, YAML, Java, Java Programming, MongoDB, Application Deployment, NoSQL, Ajax, Hibernate (Java), Data Persistence
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Containerization, Performance Tuning, Docker (Software), Java, Application Performance Management, Artificial Intelligence and Machine Learning (AI/ML), Analysis, Data Structures
Advanced · Course · 1 - 4 Weeks
Skills you'll gain: Performance Tuning, Java, Enterprise Application Management, Computational Thinking, Algorithms, Data Structures, Scalability, Programming Principles, Debugging, Management Consulting, Mitigation, Project Implementation
Advanced · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: JUnit, MLOps (Machine Learning Operations), CI/CD, Continuous Integration, Jenkins, Test Automation, Unit Testing, DevOps, Test Case, Debugging, Code Coverage, Model Evaluation, Data Pipelines, Test Data
Advanced · Course · 1 - 4 Weeks
Instituto Tecnológico de Aeronáutica
Skills you'll gain: JUnit, Object Oriented Programming (OOP), Java, Java Programming, Object Oriented Design, Unified Modeling Language, Unit Testing, Software Engineering, Agile Software Development, Software Design, Software Development, Maintainability, Programming Principles, Eclipse (Software)
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: File I/O, Object Oriented Programming (OOP), Java Programming, Data Structures, Data Persistence, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Generative AI Agents, Java, Agentic systems, AI Workflows, Generative AI, LLM Application, Tool Calling, OpenAI API, Application Development, Prompt Engineering, Debugging
Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Ajax, Web Design, Java Platform Enterprise Edition (J2EE), Cascading Style Sheets (CSS), Web Applications, Scripting, Javascript and jQuery, Web Development, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Service Oriented Architecture
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Programming, Java, Application Servers, Web Applications, Development Environment, Object Oriented Programming (OOP), Application Development, Eclipse (Software), Program Development, Computer Programming, Object Oriented Design, Mobile Development, UI Components, User Interface (UI), Virtual Machines, Data Structures, Command-Line Interface, Software Installation, Debugging
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Debugging, Java Programming, Java, Programming Principles, Computer Programming, Integrated Development Environments, Computer Science, Data Structures
Beginner · Course · 1 - 4 Weeks