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: Django (Web Framework), Blogs, User Accounts, Data Sharing, Web Applications, Authentications, Full-Stack Web Development, OAuth, Javascript, Social Media, Redis, Secure Coding, Ajax, Object-Relational Mapping, Restful API, Data Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, Java, Java Programming, Docker (Software), Development Environment
Intermediate · Course · 3 - 6 Months

Skills you'll gain: GitHub, Version Control, API Testing, Authentications, Software Versioning, Test Tools, Test Script Development, Test Case, Eclipse (Software), Verification And Validation, Extensible Markup Language (XML), Software Installation
Intermediate · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: JUnit, Unit Testing, Software Testing, Test Tools, Java Programming, Development Testing, Java, Test Case, Test Automation, Object Oriented Design, Programming Principles, Code Reusability
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, Spring Framework, API Design, Application Programming Interface (API), Data Validation, Model View Controller, Back-End Web Development, Spring Boot, Java Programming, Maintainability, Enterprise Application Management, Software Design Patterns, Configuration Management, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SonarQube, Role-Based Access Control (RBAC), Code Review, Maintainability, Continuous Integration, Software Quality Assurance, Software Quality (SQA/SQC), Software Technical Review, CI/CD, Apache Maven, GitHub, PostgreSQL, Programming Principles, Software Engineering, Software Development, Git (Version Control System), Building Codes, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Metadata Management, Data Integration, Data Pipelines, Databases, Business Logic, Data Processing, Java, File Management, Data Import/Export, Database Management, Data Manipulation, File I/O, Data Mapping, Dataflow, Scalability, Data Transformation, Software Documentation, Software Installation, File Systems
Beginner · Specialization · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Server Side, Restful API, Ajax, Node.JS, Web Applications, Web Servers, Web Development, Back-End Web Development, Model View Controller, Javascript, PHP (Scripting Language), Application Programming Interface (API), Authentications, JSON, Hypertext Markup Language (HTML), Software Architecture, Real Time Data, Data Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: UI Components, .NET Framework, ASP.NET, C# (Programming Language), Web Components, Web Frameworks, Code Reusability, Frontend Integration, Application Frameworks, Web Applications, User Interface (UI), Javascript, Event-Driven Programming, Server Side
Intermediate · Course · 1 - 3 Months

Skills you'll gain: JSON, Java Programming, Data Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Servers, Data Migration, Enterprise Application Management, Java Platform Enterprise Edition (J2EE), Java, Server Administration, Software Installation, Configuration Management, Command-Line Interface, Authentications
Beginner · Course · 1 - 3 Months

Skills you'll gain: CI/CD, Continuous Integration, Jenkins, Continuous Deployment, Dashboard Creation, Devops Tools, User Accounts, Configuration Management, Identity and Access Management, Application Programming Interface (API), Authorization (Computing)
Intermediate · Guided Project · Less Than 2 Hours