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.

JetBrains
Skills you'll gain: Kotlin, Java Programming, Java, IntelliJ IDEA, Android Development, Mobile Development, Object Oriented Programming (OOP), Integrated Development Environments, Functional Design, Interoperability, Computer Programming, Programming Principles, Scripting, Unit Testing, Software Development, Development Environment, Code Review
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Object-Relational Mapping, Java, Application Servers, Middleware, Application Deployment, Data Persistence, Event-Driven Programming, Enterprise Application Management, Data Access, Code Reusability, Context Management, Database Management, Business Logic
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Java, Java Programming, Object Oriented Programming (OOP), Computer Programming, Object Oriented Design, Memory Management, Programming Principles, Software Engineering, Debugging, Program Development, Data Structures, IntelliJ IDEA, Application Development, Software Development, Virtual Machines
Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Java Programming, Java, Program Development, Programming Principles, Computer Programming, Maintainability, Database Development, Object Oriented Programming (OOP), JUnit, Database Application, UI Components, C and C++, Data Access, Object Oriented Design, User Interface (UI), Application Development, Event-Driven Programming, File I/O, Data Structures
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Java, Code Reusability, Maintainability, Programming Principles, Computer Programming, Application Development, Android Development, Memory Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning, Data Structures, Java Programming, Java, Performance Testing, Application Performance Management, Database Management, Database Architecture and Administration, Memory Management, Maintainability, Object Oriented Design, Databases, AI Integrations, Software Testing, Microservices, Algorithms, Application Frameworks, Scalability, SQL, Javascript
Intermediate · Course · 3 - 6 Months

EDUCBA
Skills you'll gain: Software Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: Eclipse (Software), Integrated Development Environments, Java Programming, Java, Object Oriented Programming (OOP), Development Environment, Programming Principles, Computer Programming Tools, Software Development Tools, Software Installation, Debugging, Computer Programming, Computing Platforms
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Hypertext Markup Language (HTML), Application Frameworks, Front-End Web Development, Javascript, Software Design Patterns, Java, Web Components, Code Reusability, Web Applications, Full-Stack Web Development, Cascading Style Sheets (CSS), Programming Principles, Web Design, Maintainability, Web Development, UI Components
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: File I/O, Data Import/Export, Java Programming, Java, Programming Principles, Computer Programming, Data Structures, File Systems, File Management, Data Store, Computer Science
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Secure Coding, Java Programming, Maintainability, Hardening, Java, Software Design Patterns, Application Security, Software Design, Data Structures, Object Oriented Design, Software Architecture, Performance Tuning, Memory Management, API Design, Code Reusability, Object Oriented Programming (OOP), Web Servers, Application Programming Interface (API), Software Development, Virtualization
Intermediate · Specialization · 3 - 6 Months