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 Design, Memory Management, Software Design Patterns, Functional Design
Intermediate · Course · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Application Specific Integrated Circuits, Hardware Design, Computer-Aided Design, Electronic Hardware, Systems Design, Computer Architecture, Electrical and Computer Engineering, Computer Engineering, Engineering Design Process, Electronics Engineering, Network Routing, Computational Logic, Electrical Engineering, Data Structures, Algorithms, Graph Theory, Applied Mathematics, Mathematical Modeling, Calculus
★ 4.7 (283) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Digital Transformation, Cloud Computing Architecture, Systems Design, Business Transformation, SAP S/4HANA, Cloud Computing, Systems Architecture, System Design and Implementation, Security Management, Software Architecture, Cyber Attacks, Software Design, Security Strategy, SAP Applications, Cyber Governance, Cybersecurity, Cloud Platforms, ABAP RESTful Programming Model (RAP), Case Studies, Business Analysis
★ 4.6 (244) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: React.js, Debugging, Front-End Web Development, Web Development, JavaScript Frameworks, HTML and CSS, UI Components, Javascript, Cascading Style Sheets (CSS)
★ 4.4 (417) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: User Interface (UI), Java, Java Programming, Object Oriented Design, Object Oriented Programming (OOP), User Interface (UI) Design, Unit Testing, Java Platform Enterprise Edition (J2EE), JUnit, Test Script Development, Data Validation, Software Development, Application Design, Development Testing, Application Development, Program Development, Software Testing, Database Development, Test Automation, Software Documentation
Beginner · Specialization · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Unity Engine, Animation and Game Design, Video Game Development, C# (Programming Language), Game Design, UI Components, User Interface (UI), Animations, C and C++, Object Oriented Programming (OOP), Prototyping, Interaction Design, Digital Analysis, Scripting
★ 4.4 (267) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Maintainability, Computational Logic
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Java Programming, Java, Program Development, Application Frameworks, Performance Tuning
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Java, Java Programming, Performance Tuning, Data Structures, Software Engineering, Tree Maps, Scalability, Algorithms, Benchmarking, Theoretical Computer Science
Advanced · Course · 1 - 4 Weeks
Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Containerization, Model Optimization, Performance Tuning, Memory Management, Docker (Software), Java, Java Programming, Artificial Intelligence and Machine Learning (AI/ML), Analysis, Data Structures
Advanced · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Performance Management, Software Design Patterns, Java, Enterprise Architecture, Java Programming, Enterprise Application Management, Secure Coding, Software Design, Model View Controller, System Monitoring, Security Controls, Software Architecture, Application Security, Maintainability, Application Frameworks, Programming Principles, Authorization (Computing), Authentications, Program Development
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Ajax, jQuery, Javascript and jQuery, JSON, Django (Web Framework), Web Applications, Javascript, Debugging, Data Modeling, Event-Driven Programming, Data Access, Object Oriented Programming (OOP), Python Programming
★ 4.8 (294) · Intermediate · Course · 1 - 3 Months