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.

Coursera
Skills you'll gain: JSON, NoSQL, Javascript, Data Store, Data Import/Export, Cloud Computing, Software Development
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Build Tools, CI/CD, Software Development Tools, Java, Gradle, Java Programming, Apache Maven, Machine Learning Software, MLOps (Machine Learning Operations), Package and Software Management, Applied Machine Learning, Process Driven Development, Dependency Analysis, Performance Tuning
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Frontend Integration, Transaction Processing, Event-Driven Programming, Front-End Web Development, JavaScript Frameworks, Event Monitoring, Development Environment, Web Development, Web Applications, Program Development, Secure Coding, Web Development Tools, React.js, Emerging Technologies, Application Development, Javascript
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Apache Kafka, Data Pipelines, Google Cloud Platform, Java, Cloud Platforms, Cloud API, Java Programming, Network Analysis
Beginner · Project · Less Than 2 Hours

Jordan University of Science and Technology
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, C# (Programming Language), Program Development, Software Engineering, C++ (Programming Language), Data Structures, Software Development, Computer Programming, Programming Principles, Java, Query Languages
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Pseudocode, Responsive Web Design, Computational Thinking, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, React.js, HTML and CSS, Debugging, Algorithms, Interviewing Skills, UI Components, Professional Development, Programming Principles, Web Presence, JavaScript Frameworks, Web Development Tools, Web Development, Javascript, Software Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: API Testing, Test Automation, Test Script Development, Test Tools, Application Programming Interface (API), Restful API, Software Testing, Code Reusability, Configuration Management, Java Programming, Maintainability
Intermediate · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Relational Databases, Database Application, Database Management, Database Development, SQL, Databases, Database Systems, MySQL, Database Management Systems, Database Software, Database Design, Transaction Processing, Stored Procedure, Data Access, Application Development, Java, Data Integrity, Performance Tuning
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Web Development Tools, Development Environment, Frontend Integration, Software Development Tools, Program Development, Integrated Development Environments, Application Deployment, Transaction Processing, Application Design, Front-End Web Development, Event-Driven Programming, Development Testing, Javascript, Network Architecture
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React Redux, React.js, Cascading Style Sheets (CSS), UI Components, JavaScript Frameworks, Front-End Web Development, User Interface (UI), Web Frameworks, Maintainability, Authentications, Web Development Tools, Application Frameworks, Javascript, Application Programming Interface (API), Web Design, Frontend Performance, Authorization (Computing), Web Development, Web Applications, Middleware
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Spring Boot, Database Design, Object-Relational Mapping, Application Frameworks, Spring Framework, Data Modeling, Database Development, Database Software, Data Mapping, Application Development, Database Architecture and Administration, Requirements Analysis, Data Persistence
Beginner · Guided Project · Less Than 2 Hours
Coursera
Skills you'll gain: Model Evaluation, MLOps (Machine Learning Operations), Classification Algorithms, Model Deployment, Machine Learning Software, Applied Machine Learning, Maintainability, Machine Learning Algorithms, Java, Software Design Patterns, Logistic Regression, Business Metrics, Benchmarking, Matrix Management, Business
Intermediate · Course · 1 - 4 Weeks