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: Data Structures, Object Oriented Programming (OOP), Java Programming, Object Oriented Design, Computational Thinking, Algorithms, Debugging, Java, Applied Mathematics, Programming Principles, Computer Programming, Theoretical Computer Science, Numerical Analysis, Computer Programming Tools, Mathematical Theory & Analysis, Pseudocode, Software Installation, Software Architecture, Performance Tuning, Other Programming Languages
Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Containerization, Model Optimization, Performance Tuning, Memory Management, Docker (Software), Java, Java Programming, Artificial Intelligence and Machine Learning (AI/ML), Analysis, Data Structures
Advanced · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: User Story, HTML and CSS, Prototyping, Model View Controller, Maintainability, Javascript, Cascading Style Sheets (CSS), Debugging, Hypertext Markup Language (HTML), jQuery, Scripting, User Interface (UI), Wireframing, Interactive Design, Javascript and jQuery, Web Design, Web Development Tools, Code Reusability, Web Applications, User Centered Design
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Eclipse (Software), Embedded Software, Program Development, Microarchitecture, Computer Architecture, Software Development, Software Development Tools, System Programming, Integrated Development Environments, Hardware Architecture, Embedded Systems, White-Box Testing, Verification And Validation, System Design and Implementation, Simulations, System Configuration, Debugging
Intermediate · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: C# (Programming Language), Data Structures, C++ (Programming Language), Computer Programming, Microsoft Visual Studio, Object Oriented Programming (OOP), Extensible Markup Language (XML), Extensible Languages and XML, Object Oriented Design, .NET Framework, Java, Programming Principles, Data Access, Database Management, User Interface (UI), Algorithms, UI Components, Event-Driven Programming, Computer Graphics, Program Development
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Node.JS, Unit Testing, Server Side, Javascript, Debugging, Back-End Web Development, File Systems, File I/O, Test Script Development, Software Testing, Development Testing, Web Applications, Event-Driven Programming, Code Reusability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Postman API Platform, JUnit, Test Automation, API Testing, Software Quality Assurance, Test Tools, Test Script Development, Quality Assurance, Unit Testing, Software Testing, Continuous Integration, Automation, Data Validation, Performance Testing, Test Case, Agile Methodology, Integration Testing, Debugging, Javascript
Intermediate · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Microservices, Spring Boot, Software Architecture, API Gateway, Spring Framework, Cloud-Native Computing, Service Oriented Architecture, Load Balancing, Cloud Computing, Software Design Patterns, Scalability, Restful API, Service Management, Network Routing
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Apache Maven, Maintainability, Java Programming, Gradle, Software Design, Software Design Patterns, Software Architecture, Build Tools, Object Oriented Design, Object Oriented Programming (OOP), Machine Learning Methods, Integration Testing, Dependency Analysis, User Interface (UI) Design, Design Strategies, Design Elements And Principles, Program Evaluation, Automation
Advanced · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, Node.JS, Full-Stack Web Development, HTML and CSS, JavaScript Frameworks, User Interface (UI), Application Deployment, Application Frameworks, Back-End Web Development, Frontend Integration, Front-End Web Development, Hypertext Markup Language (HTML), MongoDB, User Interface (UI) Design, Secure Coding, Middleware, Bootstrap (Front-End Framework), jQuery, Javascript, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Database Theory, Database Development, Query Languages, Development Testing, Hibernate (Java), Performance Tuning, Software Testing, Object-Relational Mapping, Frontend Integration
Build toward a degree
Intermediate · Course · 1 - 3 Months

EC-Council
Skills you'll gain: Node.JS, MongoDB, Angular, Full-Stack Web Development, JavaScript Frameworks, Restful API, Web Frameworks, Secure Coding, Server Side, Web Applications, Web Development, NoSQL, Front-End Web Development, Web Development Tools, Web Servers, Postman API Platform, Application Programming Interface (API), API Design, Javascript, Database Systems
Beginner · Course · 1 - 3 Months