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.

Duke University
Skills you'll gain: Object Oriented Programming (OOP), Java, Object Oriented Design, Java Programming, Software Engineering, Programming Principles, Computer Programming, Software Development Tools, Software Design, Predictive Modeling, Algorithms, Data Structures, Markov Model, Performance Tuning, Performance Testing, File I/O, Debugging, Application Programming Interface (API)
★ 4.6 (1.5K) · Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Software Development
★ 4.9 (20) · Beginner · Course · 1 - 3 Months

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
★ 4.6 (45) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Java, Application Development, Java Programming, Software Engineering, Microsoft Visual Studio, Data Structures, Programming Principles, Algorithms
★ 4.4 (10) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Java, Integrated Development Environments, Object Oriented Design, Java Programming, Development Environment, Maintainability, Computer Programming Tools, Software Development Tools, Software Design, Data Structures, Program Development, Data Persistence, Software Architecture, Debugging, Memory Management, Code Reusability, Programming Principles, File Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, File Management, Memory Management, Code Reusability, Application Development, Maintainability, Computer Programming, Software Design, Development Environment, Program Development, Application Design, Programming Principles, Computer Programming Tools, Data Structures, Integrated Development Environments
★ 4.6 (245) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Angular, HTML and CSS, Data Structures, Spring Boot, Eclipse (Software), Restful API, Java Programming, JavaScript Frameworks, Object Oriented Programming (OOP), Model View Controller, Software Development Tools, Hypertext Markup Language (HTML), Java, Computer Programming Tools, Application Frameworks, Front-End Web Development, Spring Framework, Object Oriented Design, Cascading Style Sheets (CSS), Javascript
★ 4.4 (870) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Integrated Development Environments, Development Environment, Java Programming, Computer Programming Tools, Software Development Tools, Program Development, Java, Debugging, Programming Principles, Code Reusability, Software Installation, Computer Programming, Object Oriented Programming (OOP), Computational Thinking, Data Structures, Computational Logic
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Development Environment, Program Development, Computer Programming, Programming Principles, Data Structures, Java, Integrated Development Environments, Maintainability, Code Reusability, Memory Management, Computational Logic, Debugging, Software Installation, Command-Line Interface, Problem Solving
Beginner · Course · 3 - 6 Months

Skills you'll gain: Java Programming, Java, Memory Management, Development Environment, Programming Principles, Computer Programming Tools, Computer Programming, Integrated Development Environments, Data Structures, Software Installation
★ 4.6 (174) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Java, Object Oriented Design, Java Programming, Maintainability, Software Design, Data Structures, Software Architecture, Memory Management, Programming Principles, Code Reusability, Data Management, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Java Programming, Data Persistence, Java, Code Reusability, File Management, Object Oriented Programming (OOP), Maintainability, Scalability, Performance Tuning
Intermediate · Course · 1 - 4 Weeks