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: Spring Framework, Web Applications, Java Platform Enterprise Edition (J2EE), Application Frameworks, Java Programming, Object Oriented Design, Back-End Web Development, Authentications, Application Development, Software Design, Database Design, Model View Controller, Databases, Extensible Markup Language (XML), Data Access
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Vue.JS, Unit Testing, JavaScript Frameworks, Test Tools, Software Architecture, Software Testing, Development Testing, Test Script Development, UI Components, Web Applications, Code Reusability, Front-End Web Development, Web Development, Javascript, Event-Driven Programming, HTML and CSS, Hypertext Markup Language (HTML), Data Validation, Data Store
Intermediate · Course · 3 - 6 Months

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

LearnKartS
Skills you'll gain: Node.JS, Authentications, Middleware, Server Side, Back-End Web Development, MongoDB, Authorization (Computing), Web Development, JSON, Encryption, JavaScript Frameworks, Model View Controller, Web Applications, Restful API, User Accounts, MySQL, Javascript, TypeScript, Email Automation, Verification And Validation
Beginner · Course · 1 - 3 Months

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, Software Engineering, Software Development, Git (Version Control System), Building Codes, System Configuration, Software Installation
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Development, Javascript, Web Design, JavaScript Frameworks, Web Development Tools, Frontend Performance, Web Servers, Web Design and Development, Web Content, Web Analytics and SEO, Hypertext Markup Language (HTML), Web Applications, Front-End Web Development, Event-Driven Programming, Web Content Accessibility Guidelines, Software Development, Open Source Technology
Mixed · Course · 1 - 3 Months

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, Server Side, Java Programming, Verification And Validation, Maintainability, Enterprise Application Management, Configuration Management, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

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: Hypertext Markup Language (HTML), Frontend Performance, HTML and CSS, Web Applications, Javascript, Performance Tuning, Software Development
Intermediate · Guided Project · Less Than 2 Hours

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

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: Spring Boot, Cloud Deployment, Application Deployment, Google Cloud Platform, Cloud Applications, Key Management, System Configuration, Software Configuration Management, Application Development, Java
Intermediate · Project · Less Than 2 Hours