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: Microservices, Spring Boot, Development Environment, Containerization, Spring Framework, Redis, Kubernetes, Java Programming, Docker (Software), Cloud-Native Computing, Apache Maven, API Gateway, Java, Software Architecture, Application Deployment, Apache Kafka, API Design, PostgreSQL, Prometheus (Software), Grafana
Advanced · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Spring Framework, Security Assertion Markup Language (SAML), OAuth, Secure Coding, Single Sign-On (SSO), Lightweight Directory Access Protocols, Authorization (Computing), Application Security, Cloud Security, Build Tools, Gradle, Authentications, Cloud-Native Computing, Back-End Web Development, Object-Relational Mapping, Identity and Access Management, Spring Boot, Database Development, Java, Kubernetes
Intermediate · Specialization · 3 - 6 Months

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: Spring Framework, Secure Coding, Lightweight Directory Access Protocols, OAuth, Authorization (Computing), Application Security, Authentications, Security Assertion Markup Language (SAML), Back-End Web Development, Object-Relational Mapping, Identity and Access Management, Spring Boot, Database Development, Data Access, Role-Based Access Control (RBAC), Java, User Flows, Data Persistence, Kubernetes, Power BI
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Software Development Tools, Software Development Life Cycle, Program Development, Computer Programming Tools, Computer Programming, Development Environment, Software Development, Programming Principles, Integrated Development Environments, Software Installation, Command-Line Interface, Linux Commands
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Test Driven Development (TDD), Test Case, Program Development, Test Script Development, Development Testing, Software Testing, Java Programming, Java, Software Engineering
★ 4.2 (23) · Beginner · Guided Project · Less Than 2 Hours

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

Skills you'll gain: Model Deployment, Restful API, AI Integrations, Application Deployment, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, Java, Development Environment, Image Analysis, Software Development, Computer Vision
★ 4.6 (20) · Intermediate · Course · 1 - 4 Weeks

Universidad de Palermo
Skills you'll gain: Eclipse (Software), Object Oriented Programming (OOP), Java, Integrated Development Environments, Data Structures, Java Programming, File I/O, Computer Programming, Algorithms, Programming Principles, Development Environment, Debugging
★ 4.9 (8) · Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Generative AI Agents, Java, Java Programming, Agentic systems, Agentic Workflows, AI Workflows, Generative AI, LLM Application, Tool Calling, OpenAI API, Application Development, Prompt Engineering, Large Language Modeling, Memory Management
★ 4.2 (25) · Beginner · 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