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: Docker (Software), Kubernetes, Containerization, OAuth, Istio, Microservices, Spring Framework, API Gateway, Spring Boot, Cloud-Native Computing, Restful API, CI/CD, Authentications, Prometheus (Software), Application Programming Interface (API), Data Persistence, Software Architecture, Java, Solution Architecture, Resilience
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: OAuth, Spring Framework, API Gateway, Spring Boot, Microservices, Authentications, Application Programming Interface (API), Restful API, Software Architecture, Java, Configuration Management, Distributed Computing, Authorization (Computing), Identity and Access Management, Solution Architecture, Software Visualization, Resilience, Network Routing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Restful API, Software Quality (SQA/SQC), Java Programming, Test Automation, Java
★ 4.9 (60) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Web Development Tools, Web Design and Development, Web Development, Cascading Style Sheets (CSS), Web Design, Front-End Web Development, Javascript, Web Applications, Interactive Design, Program Development, JavaScript Frameworks, Full-Stack Web Development, Back-End Web Development
★ 4.6 (2.4K) · Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Unit Testing, Data Structures, Java, Java Programming, Software Testing, Program Development, Performance Tuning, Algorithms, Performance Testing, Object Oriented Programming (OOP), Theoretical Computer Science
★ 4.8 (2.3K) · Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: IntelliJ IDEA, Java Programming, Object Oriented Programming (OOP), Java, Object Oriented Design, Integrated Development Environments, Computer Programming, Open Source Technology, Programming Principles, Scalability, Functional Design
★ 4.2 (13) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Digital Communications, OSI Models, Network Protocols, TCP/IP, Communication Systems, Routing Protocols, Telecommunications, Network Routing, Network Architecture, Network Planning And Design, General Networking, Computer Networking, System Programming, Data Validation, Data Integrity
★ 4.6 (2.4K) · Intermediate · Course · 1 - 3 Months
Madecraft
Skills you'll gain: Amazon Web Services, Cloud Deployment, Hypertext Markup Language (HTML), Cloud Computing, Cloud Computing Architecture, Cloud Services, AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Cloud Infrastructure, Infrastructure as Code (IaC), Web Design and Development, Amazon S3, HTML and CSS, AWS CloudFormation, Web Applications, Web Development, Cascading Style Sheets (CSS), AWS SageMaker, GitHub, Java Programming
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Performance Tuning, OS Process Management
★ 4.7 (14) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Bootstrap (Front-End Framework), Debugging, UI Components, Web Development Tools, Front-End Web Development, Web Design and Development, Web Design, Semantic Web, Hypertext Markup Language (HTML), Browser Compatibility, Frontend Performance, Web Development, Web Content Accessibility Guidelines, Web Analytics and SEO, User Interface (UI), Software Engineering Tools, Javascript
★ 4.7 (1.9K) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Test Driven Development (TDD), Unit Testing, Development Testing, Software Testing, Java, Test Case, Maintainability, Software Design
★ 3.6 (17) · Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Django (Web Framework), Ajax, jQuery, Model View Controller, Cascading Style Sheets (CSS), Javascript and jQuery, Hypertext Markup Language (HTML), JSON, HTML and CSS, Linux, Linux Commands, Application Development, Back-End Web Development, Database Application, Web Development, Cloud Deployment, Web Applications, Application Deployment, Javascript, SQL
★ 4.7 (2.5K) · Intermediate · Specialization · 3 - 6 Months