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.

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Web Services, Extensible Markup Language (XML), Java
★ 4.1 (13) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Development, Performance Tuning, Systems Development, Java Programming, System Monitoring, Inventory Management, System Requirements, Business Reporting, Management Reporting, Verification And Validation
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Model Evaluation, Model Deployment, Model Training, Decision Tree Learning, Data Preprocessing, Java Programming, Classification Algorithms, Predictive Modeling, Random Forest Algorithm, Applied Machine Learning, Java, Program Evaluation, Machine Learning Methods, Machine Learning Algorithms, Machine Learning, Algorithms, Program Implementation, Business Development
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Code Reusability, Restful API, HTML and CSS, Web Applications, Web Development, Javascript, Application Development, Computer Programming
★ 4.1 (14) · Intermediate · Guided Project · Less Than 2 Hours

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Ajax, Web Content Accessibility Guidelines, Javascript, Application Programming Interface (API), Web Design, Semantic Web, Usability, Web Applications, Web Development, Test Tools, Web Content, Front-End Web Development, Data Structures, Application Frameworks, Network Protocols, Data Ethics
★ 4.8 (13) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Email Automation, Scripting, Google Workspace, Gmail, Web Development Tools, Javascript, Scripting Languages, Google Cloud Platform, Spreadsheet Software, Web Development, Computer Programming
★ 4.1 (18) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Java Programming, Java, Object Oriented Design, Data Validation, Test Script Development, Object Oriented Programming (OOP), Test Automation, Application Design, Application Development, Software Testing, Test Case, Data Modeling, Verification And Validation, User Interface (UI), Business Logic, Maintainability, Data Integrity
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), HTML and CSS, Front-End Web Development, Web Development Tools, Web Design and Development, User Interface and User Experience (UI/UX) Design, Bootstrap (Front-End Framework), React.js, Web Development, Web Design, Javascript, Cascading Style Sheets (CSS), UI Components, JavaScript Frameworks, Hypertext Markup Language (HTML), Semantic Web
★ 3.7 (15) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud-Native Computing, Cloud Applications, Cloud Development, API Gateway, Cloud API, Google Cloud Platform, Application Programming Interface (API), Cloud-Based Integration, Authentications, Serverless Computing, Identity and Access Management, API Design, Event-Driven Programming, Node.JS, Authorization (Computing)
★ 4.3 (36) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Maven, Build Tools, Eclipse (Software), CI/CD, Java, Continuous Integration, Integrated Development Environments, Dependency Analysis, Extensible Markup Language (XML)
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: React.js, Responsive Web Design, Front-End Web Development, Bootstrap (Front-End Framework), JavaScript Frameworks, Web Design and Development, UI Components, Programming Principles, Javascript, HTML and CSS, Web Applications, Event-Driven Programming, User Interface (UI), Maintainability, Code Reusability
★ 4.5 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Applications, Cloud Development, Cloud-Native Computing, Google Cloud Platform, Cloud API, Application Development, Data Store, Cloud Hosting, Cloud Storage, Cloud Services, Software Development, Data Storage, Cloud Platforms
★ 4.4 (29) · Intermediate · Course · 1 - 3 Months