
LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Computer Programming, Object Oriented Design, Development Environment, Programming Principles, Data Structures
★ 4.4 (94) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Spring Framework, Microservices, Cloud Deployment, API Design, Spring Boot, OAuth, Java Programming, System Design and Implementation, Java, Systems Design, Systems Architecture, Cloud Development, Software Design, Web Design and Development, Sprint Planning, NoSQL, SQL, Databases, Product Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, Agentic Workflows, AI Orchestration, Agentic systems, Generative AI Agents, Prompt Patterns, OpenAI, LLM Application, Artificial Intelligence and Machine Learning (AI/ML), Tool Calling, OpenAI API, Software Design Patterns, Development Environment, Application Programming Interface (API), Large Language Modeling
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Software Design Patterns, Node.JS, Event-Driven Programming, Object Oriented Design, Software Design, Software Architecture, Javascript, Object Oriented Programming (OOP), Code Reusability, Maintainability, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software Design Patterns, System Design and Implementation, C and C++, Systems Design, Design Strategies
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Transaction Processing, File I/O, Data Access, Dataflow, Data Persistence, Database Management, Stored Procedure, SQL, Data Integrity, Databases, Secure Coding, File Systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Database Development, Database Application, Java Programming, Full-Stack Web Development, Web Development, Server Side, Control Panels, Role-Based Access Control (RBAC), Data Access, User Accounts, Data Validation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, JUnit, Object Oriented Programming (OOP), Software Design Patterns, Software Engineering, Java, Unified Modeling Language, Software Design, Java Programming, Software Architecture, Model View Controller, Conceptual Design
★ 4.6 (7) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Application Deployment, Application Servers, Enterprise Application Management, DevOps, System Configuration, Java Platform Enterprise Edition (J2EE), Server Administration, Java, Data Access, Security Management, Servers, Middleware, Development Environment, Application Development, Build Tools
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: JUnit, File I/O, Unit Testing, Java Programming, Debugging, Java, Maintainability, Software Development, Secure Coding, Software Testing, Authentications, Data Import/Export, Cryptography, Eclipse (Software), Integrated Development Environments, Encryption, Data Structures
★ 4.9 (12) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Java, Context Management, Web Applications, Server Side, Data Storage, Data Sharing
★ 4.4 (16) · Intermediate · Course · 1 - 4 Weeks