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: JUnit, Test Driven Development (TDD), Version Control, Git (Version Control System), GitHub, Performance Tuning, Unit Testing, Data Structures, Java Programming, Algorithms, Software Testing, Java, Test Case, Computer Programming, Software Development, Scalability
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Java, Java Programming, Dependency Analysis, Docker (Software), JSON, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Test Driven Development (TDD), Test Case, Program Development, Software Testing, Java Programming, Java, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Automation, Software Testing, Java, Test Data, Web Scraping, Software Design Patterns, Maintainability, Debugging, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Scaled Agile Framework, Agile Project Management, Agile Software Development, Agile Methodology, Scrum (Software Development), Sprint Planning, Kanban Principles, Lean Methodologies, Business Transformation, Project Management Institute (PMI) Methodology, Organizational Change, Sprint Retrospectives, Waterfall Methodology, Process Mapping, Continuous Improvement Process, Prioritization, Requirements Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Behavior-Driven Development, Apache Maven, API Testing, Test Script Development, Restful API, Test Automation, JSON, Scalability, Test Case, Test Data, Authentications, Java
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Mobile Security, Operating System Administration, Microsoft Windows, Malware Protection, Information Technology Operations, Disaster Recovery, Mac OS, Document Management, Command-Line Interface, Incident Response, Network Security, Computer Security Incident Management, Linux, Information Systems Security, Security Controls, Information Technology, Windows PowerShell, Problem Management, Operating Systems, Internet Of Things
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Cloud Infrastructure, Google Cloud Platform, Kubernetes, Generative AI, Cloud Applications, Infrastructure As A Service (IaaS), Cloud Storage, Prompt Engineering, Cloud Services, Containerization, Identity and Access Management, Cloud Computing, Virtual Machines, Network Infrastructure, Virtual Networking, Serverless Computing
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Java, Pedagogy, Debugging, Object Oriented Programming (OOP), Computer Programming, Computational Thinking, Cultural Responsiveness, Digital pedagogy
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Object Oriented Programming (OOP), Java Programming, Object Oriented Design, Computational Thinking, Java, Algorithms, Debugging, Programming Principles, Computer Programming, Pseudocode, Program Development, Mathematical Theory & Analysis, Integrated Development Environments, Analysis, Solution Design, Analytical Skills
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: ASP.NET, Application Deployment, User Accounts, Cloud Deployment, Cloud Applications, Authorization (Computing), Role-Based Access Control (RBAC), Microsoft Azure, Identity and Access Management, Application Development, Model View Controller, Bootstrap (Front-End Framework), Databases, Database Management, Authentications, Email Automation, Session Initiation Protocols, Debugging
Advanced · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Spring Framework, Object-Relational Mapping, Cloud Security, Java, Scalability, Software As A Service, Cloud Services, Web Services, Cloud Computing, JSON, Java Platform Enterprise Edition (J2EE), Restful API, Object Oriented Design, Middleware, Database Design, Systems Architecture, Application Deployment, Network Protocols
Intermediate · Course · 1 - 4 Weeks