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: Business Process Automation, IT Automation, Data Presentation, Code Reusability, C# (Programming Language), Data Capture, File I/O, Programming Principles, Scalability
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Front-End Web Development, Javascript, Responsive Web Design, Maintainability
★ 4.7 (13) · Intermediate · Course · 1 - 4 Weeks

Xi'an Jiaotong University
Skills you'll gain: ASP.NET, .NET Framework, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Web Development, Database Application, Application Frameworks, Object Oriented Programming (OOP), Web Applications, Object Oriented Design, Database Development, Javascript, Back-End Web Development, HTML and CSS, Web Design, Scripting Languages, Data Access, Web Servers, Scripting, Event-Driven Programming
★ 4.7 (6) · Mixed · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Model Context Protocol, Agentic systems, Retrieval-Augmented Generation, Prompt Engineering, Agentic Workflows, Tool Calling, Google Gemini, AI Workflows, Generative AI Agents, AI Orchestration, Server Side, Node.JS, Vector Databases, MongoDB, Embeddings, Large Language Modeling, Natural Language Processing, Web Development, Machine Learning, Javascript
Beginner · Specialization · 1 - 3 Months
Coursera
Skills you'll gain: Model Evaluation, MLOps (Machine Learning Operations), Classification Algorithms, Model Deployment, Machine Learning Software, Applied Machine Learning, Maintainability, Machine Learning Algorithms, Java, Software Design Patterns, Logistic Regression, Business Metrics, Benchmarking, Matrix Management, Business
Intermediate · Course · 1 - 4 Weeks
University of Glasgow
Skills you'll gain: Software Development Life Cycle, Program Development, Plot (Graphics), Data Presentation, Event-Driven Programming, Web Design and Development, Web Development Tools, Data Literacy, Animation and Game Design, Software Development, Hypertext Markup Language (HTML), Applied Machine Learning, Javascript, Interactive Design, Visualization (Computer Graphics), Graphics Software, Software Design, Application Design, Computer Graphics, Code Reusability
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Enterprise Application Management, Performance Tuning, Database Management, Database Systems, Java Programming, Database Design, Data Integrity
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: C# (Programming Language), Restful API, Unity Engine, Application Programming Interface (API), Object Oriented Programming (OOP), API Design, .NET Framework, Object Oriented Design, C++ (Programming Language), Video Game Development, ASP.NET, Computer Programming, Object-Relational Mapping, Web Services, Application Development, Game Design, Software Design Patterns, Database Management, Program Development, Programming Principles
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Linux Administration, Amazon Elastic Compute Cloud, Linux Servers, Identity and Access Management, Cloud Hosting, Cloud Deployment, Cloud Infrastructure, Amazon Web Services, Cloud Computing, Front-End Web Development, Cloud Management, Linux, Ubuntu, UI Components, Application Deployment, React.js, Event-Driven Programming, Javascript, Apache
★ 4.8 (9) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Automation, Test Tools, Software Testing, Java, Test Data, Java Programming, Software Design Patterns, Code Reusability, Maintainability, Data Import/Export, Data Validation
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: TypeScript, Javascript, Functional Design, Code Reusability, Object Oriented Programming (OOP), Programming Principles, Web Development Tools, Data Structures, Development Environment, Maintainability, System Configuration, Enterprise Application Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Jest (JavaScript Testing Framework), Front-End Web Development, Unit Testing, UI Components, Web Development Tools, Code Reusability, Test Script Development, Event-Driven Programming, Javascript, Application Programming Interface (API), Development Testing, Data Sharing
Intermediate · Course · 1 - 3 Months