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: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Maintainability, Software Design, Program Development, Application Development, Data Management, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Java, Performance Tuning, Spring Framework, Application Performance Management, Algorithms, JUnit, OS Process Management, Application Frameworks, Programming Principles, Performance Testing, Spring Boot, Computer Architecture
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Java, Object Oriented Design, File I/O, Program Development, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Ajax, Java Programming, Test Script Development, Java, Software Testing, Test Automation, Scripting, Web Development Tools, Object Oriented Programming (OOP), Automation, Debugging
Intermediate · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Java Programming, Java, System Programming, OS Process Management, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Eclipse (Software), Data Structures, Video Game Development, Java Programming, Java, Game Design, User Interface (UI), Development Environment, Program Development
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Classification Algorithms, Data Preprocessing, Model Deployment, Model Evaluation, Decision Tree Learning, Regression Analysis, Logistic Regression
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, API Design, API Testing, Spring Boot, Authentications, Test Automation, JSON, Application Programming Interface (API), Test Script Development, Application Deployment, Spring Framework, Object-Relational Mapping, Test Case, Software Quality Assurance, Business Logic, Back-End Web Development, Integration Testing, Software Engineering, Java Programming, Java
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Java Programming, Java, Record Keeping
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Selenium (Software), JUnit, HTML and CSS, Test Automation, Software Testing, Test Script Development, Web Development, Software Quality Assurance, Continuous Integration, Java, Test Execution Engine, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Debugging, Java, Teaching, Program Development, Computer Programming, Programming Principles, Object Oriented Programming (OOP), Integrated Development Environments, Computational Logic, Pseudocode, Algorithms, Test Case
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Behavior-Driven Development, Apache Maven, API Testing, Test Script Development, Restful API, Test Automation, JSON, Scalability, Test Case, Test Data, Authentications, Java
Mixed · Course · 1 - 4 Weeks