Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. 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 Design, Software Design Patterns, Functional Design
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Web Services, Restful API, Apache Maven, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Java Platform Enterprise Edition (J2EE), Application Programming Interface (API), Java, Postman API Platform, Software Development Tools, API Design, Application Frameworks, Secure Coding, Object-Relational Mapping, JSON, JUnit, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Apache Maven, Java Platform Enterprise Edition (J2EE), Hibernate (Java), Unit Testing, Docker (Software), Software Design Patterns, Object-Relational Mapping, Data Access
Intermediate · Course · 1 - 3 Months

Peking University
Skills you'll gain: Java Programming, Java, Software Design Patterns, Maintainability, Software Design, Computer Programming, Object Oriented Programming (OOP), C and C++, Program Development, Application Programming Interface (API), UI Components, Debugging, User Interface (UI), Application Development, Event-Driven Programming, File Management
Intermediate · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Computer Programming, Programming Principles, Software Design, Data Structures, Integrated Development Environments, Debugging, Development Environment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Debugging, Java Programming, Java, Programming Principles, Computer Programming, Computational Logic, Computer Science, Data Structures, Data Storage
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Spring Framework, JUnit, Restful API, Spring Boot, Unit Testing, Java, Hibernate (Java), Model View Controller, Web Services, Apache Maven, Databases, Web Applications, Gradle, Object Oriented Programming (OOP), Eclipse (Software), Dependency Analysis
Beginner · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Decision Tree Learning, Fraud detection, Regression Analysis, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Object Oriented Design, Computer Programming, Programming Principles, Data Structures, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Java Programming, Java, Test Automation, Scripting, Web Development Tools, Automation, Cascading Style Sheets (CSS), Debugging, Hypertext Markup Language (HTML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Distributed Computing, Java, Middleware, NoSQL, Event-Driven Programming, Databases, Software Architecture, Servers, Web Services, Microservices, Scalability, Communication Systems
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Spring Framework, Version Control, Spring Boot, Hibernate (Java), Object-Relational Mapping, GitHub, Git (Version Control System), Java, Software Documentation, JUnit, Restful API, API Design, Model View Controller, Postman API Platform, User Accounts, Authentications, Object Oriented Programming (OOP), JSON
Intermediate · Course · 3 - 6 Months