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.

Board Infinity
Skills you'll gain: Data Preprocessing, Model Deployment, Apache Mahout, Java, Java Programming, Apache Spark, Classification Algorithms, Machine Learning Software, Machine Learning Methods, Model Training, Applied Machine Learning, Deep Learning, Data Processing, Model Evaluation, Natural Language Processing, Data Cleansing, Machine Learning, Feature Engineering, Fine-tuning, Data Transformation
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

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: Node.JS, Restful API, Database Design, Front-End Web Development, React Redux, Ajax, Database Development, Database Application, Server Side, Back-End Web Development, NoSQL, Javascript, Full-Stack Web Development, React.js, Performance Tuning, API Design, Data Structures, MongoDB, Debugging, JavaScript Frameworks
★ 4.4 (1.5K) · Beginner · 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: 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

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

EDUCBA
★ 4.8 (24) · Advanced · Course · 1 - 3 Months

University of Alberta
Skills you'll gain: Model View Controller, Software Design Patterns, Software Design, Unified Modeling Language, Object Oriented Design, Code Review, Software Architecture, Programming Principles, Maintainability, Software Technical Review, Java Programming, System Design and Implementation, Java, Diagram Design, Object Oriented Programming (OOP), Code Reusability, Application Design
★ 4.7 (1.4K) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Electronic Hardware, Laboratory Experience, Laboratory Reports, Application Specific Integrated Circuits, System Design and Implementation, Embedded Software, Embedded Systems, Electronics Engineering, Electronic Systems, Electrical and Computer Engineering, Eclipse (Software), Test Case, Laboratory Testing, Program Development, Verification And Validation, Engineering Documentation, Microarchitecture, Computer Architecture
★ 4.5 (1.8K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Design, Computer Programming, Code Reusability, Memory Management
Intermediate · Course · 1 - 4 Weeks
University of London
Skills you'll gain: Computer Science, Debugging, Development Environment, Computer Systems, Web Applications, Arithmetic, Computer Literacy, General Networking, Javascript, Network Security, Computer Networking, Application Security, Computational Thinking, Computer Programming Tools, Visualization (Computer Graphics), Applied Mathematics, Computer Programming, General Mathematics, Numerical Analysis, Problem Solving
★ 4.2 (1.6K) · Beginner · Specialization · 1 - 3 Months