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.

University of Alberta
Skills you'll gain: Software Architecture, Unified Modeling Language, Systems Architecture, Software Design, Software Design Documents, Software Visualization, Product Family Engineering, Software Development, Software Documentation, Diagram Design, Software Technical Review, Application Deployment, Data Storage
★ 4.5 (942) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Model View Controller, Spring Framework, Java, Application Frameworks, Web Applications, Context Management, Application Development, Data Validation, Data Mapping
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Model Deployment, Extract, Transform, Load, Federated Learning, Model Optimization, Data Pipelines, Image Analysis, Data Import/Export, Tensorflow, Transfer Learning, Convolutional Neural Networks, iOS Development, Apple iOS, Android Development, Data Preprocessing, Model Training, Data Processing, Computer Vision, Fine-tuning, Javascript, Machine Learning
★ 4.7 (1.5K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Model Evaluation, Data Preprocessing, JUnit, Model Training, Build Tools, MLOps (Machine Learning Operations), Java, Performance Tuning, Decision Tree Learning, Classification And Regression Tree (CART), Apache Maven, Data Structures, Random Forest Algorithm, Gradle, Data Pipelines, Software Architecture, Software Design, Object Oriented Programming (OOP), Apache, Machine Learning
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: React Native, Mobile Development, React Redux, User Interface (UI) Design, Ajax, User Interface and User Experience (UI/UX) Design, Front-End Web Development, Javascript, React.js, Data Structures, Application Development, Apple iOS, Debugging, iOS Development, JavaScript Frameworks, UI Components, User Story, Android Development, Mobile Development Tools, Cross Platform Development
★ 4.4 (956) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Web Development, Javascript, Bootstrap (Front-End Framework), Scripting, Browser Compatibility, Application Programming Interface (API), Back-End Web Development
★ 4.4 (832) · Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: JSON, jQuery, Javascript and jQuery, Ajax, Debugging, Web Development Tools, Event-Driven Programming, Javascript, PHP (Scripting Language), Object Oriented Programming (OOP), Data Import/Export, Web Applications
★ 4.6 (847) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, Frontend Integration, JSON, YAML, Web Applications, Configuration Management, Angular, Java Programming, Software Architecture, Extensible Markup Language (XML)
★ 4.1 (224) · Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Debugging, Development Environment, Javascript, Computer Programming Tools, Computer Graphics, Software Development Tools, Computer Programming, Graphical Tools, Interactive Design, Human Computer Interaction, Data Management
★ 4.1 (932) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Javascript, HTML and CSS, Event-Driven Programming, Scripting, Scripting Languages, Web Design and Development, Web Applications, Programming Principles, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Event Monitoring, Application Development, Debugging
★ 4.7 (940) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React Redux, Front-End Web Development, React.js, JavaScript Frameworks, Full-Stack Web Development, UI Components, Web Development, Javascript, Event-Driven Programming, Application Programming Interface (API)
★ 4.4 (772) · Intermediate · Course · 1 - 4 Weeks

The Linux Foundation
Skills you'll gain: Bash (Scripting Language), File Systems, Package and Software Management, Linux, Command-Line Interface, Unix Commands, Linux Commands, Shell Script, grep, Linux Administration, Unix Shell, Scripting, Software Development Tools, File Management, Build Tools, Unix, Scripting Languages, Program Development, System Programming, Operating Systems
★ 4.6 (734) · Beginner · Course · 1 - 4 Weeks