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.

Coursera
Skills you'll gain: Data Science, Web Applications, Python Programming, Data Analysis, Programming Principles, Artificial Intelligence, Computer Programming, Game Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: COBOL (Programming Language), Prompt Patterns, Prompt Engineering, Code Review, Code Reusability, Application Lifecycle Management, CI/CD, Agentic systems, Software Technical Review
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Java, Java Programming, Algorithms, Computational Thinking, Object Oriented Programming (OOP), Functional Design, Development Environment
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Apache Maven, Build Tools, Hibernate (Java), Unit Testing, Data Persistence, Docker (Software), Software Testing, Object-Relational Mapping
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Object-Relational Mapping, Java Platform Enterprise Edition (J2EE), Database Design, Data Access, Data Persistence, Java, Relational Databases, Data Mapping, Java Programming, JUnit, SQL, Query Languages, Software Versioning
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Angular, JavaScript Frameworks, Unit Testing, Ajax, Cloud Applications, Web Applications, Web Components, Application Frameworks, Front-End Web Development, Web Development, Javascript, Code Reusability, Software Architecture, UI Components
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), File I/O, File Management, Cascading Style Sheets (CSS), Extensible Markup Language (XML), Test Automation, Extensible Languages and XML, Computer Programming, Development Environment, Integrated Development Environments, Software Testing, Test Script Development, Test Case, Test Execution Engine, Data Structures
Beginner · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: Vibe coding, Code Review, Continuous Integration, Integrated Development Environments, Prompt Engineering Tools, Context Engineering, AI Integrations, Prompt Patterns, Prompt Engineering, Software Development, Embeddings, Software Documentation, Software Engineering, Software Testing, Full-Stack Web Development, Application Development, Web Development, Software Design, Web Applications, Building Codes
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Systems Development Life Cycle, Software Development Life Cycle, Object Oriented Programming (OOP), Java Programming, Java, Program Development, Code Reusability, Software Development, Object Oriented Design, Development Environment, Integrated Development Environments, Computer Programming, Programming Principles, Software Design
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Software Testing, JUnit, Verification And Validation, Unit Testing, Test Case, Test Automation, Development Testing, Test Planning, Test Tools, White-Box Testing, Code Coverage, Software Quality Assurance, Functional Testing, Test Script Development, Systems Development Life Cycle, Test Data, Technical Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Webhook Security, AI Integrations, Generative AI Agents, Application Programming Interface (API), AI Workflows, Agentic Workflows, API Design, Restful API, AI Orchestration, OpenAI API, Web Scraping, Prompt Engineering, Scripting Languages, No-Code Development, Google Gemini, Javascript, Automation, Authentications, Large Language Modeling, Cybersecurity
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, Microservices, JUnit, Model View Controller, Restful API, Application Frameworks, Spring Boot, Software Architecture, API Gateway, Web Services, Cloud-Native Computing, Object-Relational Mapping, Transaction Processing, Data Persistence, Frontend Integration, Service Oriented Architecture, JSON, Database Management, Unit Testing, Java Programming
Beginner · Specialization · 1 - 3 Months