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 Minnesota
Skills you'll gain: Test Automation, Regression Testing, Software Testing, Software Development Tools, Test Tools, Computer Programming Tools, White-Box Testing, Code Coverage, Security Testing, Verification And Validation, Test Case, Test Data, Automation, Functional Requirement, Application Security, Vulnerability Scanning, Continuous Monitoring
★ 4.2 (87) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Test Script Development, Test Case, Selenium (Software), Software Testing, Test Tools, Maintainability, Code Reusability, Test Data, Debugging, Configuration Management
★ 4.5 (160) · Advanced · Guided Project · Less Than 2 Hours

Vanderbilt University
Skills you'll gain: Microservices, Spring Boot, API Testing, Spring Framework, IntelliJ IDEA, Java Programming, Restful API, Object Oriented Programming (OOP), Java, Object Oriented Design, Application Programming Interface (API), Systems Architecture, Application Deployment, Software Architecture, API Design, Integrated Development Environments, Data Persistence, Scalability, Service Oriented Architecture, Web Applications
★ 4.3 (67) · Intermediate · Specialization · 1 - 3 Months

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

Vanderbilt University
Skills you'll gain: Android Development, Software Testing, Mobile Development, Java, Development Testing, Unit Testing, Application Development, Integration Testing, Event-Driven Programming, User Interface (UI), Data Persistence
★ 4.4 (69) · Mixed · Course · 1 - 4 Weeks

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: JSON, Restful API, HTML and CSS, Web Design, Web Design and Development, Cloud API, Hypertext Markup Language (HTML), Web Development, Application Programming Interface (API), Cascading Style Sheets (CSS), Web Applications, Real Time Data, Javascript
★ 4.3 (49) · Intermediate · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Unified Modeling Language, Unit Testing, Software Design, Data Flow Diagrams (DFDs), Software Engineering Tools, Software Development Tools, JUnit, Development Testing, Data Ethics, Test Automation, Software Development Methodologies, Dataflow
★ 4.7 (159) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Spring Framework, JUnit, Restful API, Spring Boot, Unit Testing, Java Programming, Java, Model View Controller, Web Services, Object-Relational Mapping, Software Testing, Apache Maven, Data Access, Databases, Web Applications, Database Management, Gradle, Eclipse (Software)
Beginner · Course · 3 - 6 Months
Skills you'll gain: Application Security, Angular, OAuth, Test Driven Development (TDD), Cryptography, Web Components, Data Validation, Unit Testing, Vue.JS, Development Testing, Data Security, Authentications, Encryption, Authorization (Computing), HTML and CSS, Hypertext Markup Language (HTML), Web Applications, Javascript, Security Strategy, Computer Programming
★ 4.3 (102) · Beginner · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: jQuery, Javascript and jQuery, UI Components, Scripting, JavaScript Frameworks, Cascading Style Sheets (CSS), HTML and CSS, Javascript, Hypertext Markup Language (HTML), Frontend Performance, Animations, Event-Driven Programming
★ 4.8 (128) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Unit Testing, Server Side, Javascript, Debugging, Back-End Web Development, File Systems, File I/O, Test Script Development, Software Testing, Development Testing, Web Applications, Event-Driven Programming, Code Reusability
★ 3.8 (86) · Intermediate · Course · 1 - 3 Months