
Skills you'll gain: Java Programming, Object Oriented Design, Programming Principles, File I/O, Data Import/Export, Debugging, File Management, Memory Management
Beginner · Course · 3 - 6 Months

EDUCBA
Skills you'll gain: File I/O, Object Oriented Programming (OOP), Java Programming, Data Structures, Java, Data Persistence, Programming Principles, Data Store
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Debugging, Java, Teaching, Java Programming, Computer Programming, Programming Principles, Computational Logic, Computational Thinking, Education Software and Technology, Digital pedagogy
★ 2.8 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: JUnit, Unit Testing, Software Quality Assurance, Development Testing, Integrated Development Environments, Software Testing, Quality Assurance, Java, Software Development Tools, Java Programming, Performance Tuning, Debugging, Performance Testing, Application Performance Management
Intermediate · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: Object Oriented Programming (OOP), File I/O, Encryption, Data Structures, Object Oriented Design, Java, Algorithms, Java Programming, Cryptography, Software Engineering, Computer Programming, Program Development, Software Design, Data Import/Export, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Software Architecture, Code Review, AI Workflows, AI Integrations, Software Design, Python Programming, Version Control, Java Programming
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Selenium (Software), Java, Java Programming, File I/O, File Management, Cascading Style Sheets (CSS), Extensible Markup Language (XML), Test Automation, Extensible Languages and XML, Test Script Development, Web Scraping, Apache, Web Development Tools, Data Import/Export, Verification And Validation, HTML and CSS, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Unit Testing, Java, Java Programming, Test Automation, Software Development, Development Testing, Program Development, Application Design, Software Testing, Application Development, System Design and Implementation, Data Validation, User Interface (UI), Maintainability, Software Design, Data Integrity, Business Logic, User Interface (UI) Design
Beginner · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: Application Development, Application Deployment, Generative AI Agents, Large Language Modeling, Software Development Tools, LLM Application, AI literacy, IntelliJ IDEA, Agentic Workflows, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Integrated Development Environments, Agentic systems, Code Review, Software Development, Software Development Life Cycle
★ 3.3 (9) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Code Reusability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Computer Programming, Code Reusability, Memory Management
Intermediate · Course · 1 - 4 Weeks