Object Oriented Design courses can help you learn principles like encapsulation, inheritance, and polymorphism, along with design patterns such as Singleton and Factory. You can build skills in creating reusable code, improving software maintainability, and designing systems that are easier to understand and extend. Many courses introduce tools like UML for modeling, as well as programming languages such as Java and Python, which are commonly used to implement object-oriented concepts in real-world applications.

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Browser Compatibility, Java Programming, Software Testing, Javascript, Eclipse (Software), Apache Maven, Development Environment, Object Oriented Programming (OOP), Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Software Installation, System Configuration
Intermediate · Course · 3 - 6 Months

EDUCBA
Skills you'll gain: Microsoft Azure, Network Troubleshooting, Network Security, Network Architecture, Virtual Networking, Network Administration, Wide Area Networks, Hardening, Virtual Private Networks (VPN), Network Infrastructure, Network Routing, Network Monitoring, Private Cloud
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: White-Box Testing, Test Planning, Test Case, Software Testing, Debugging, Functional Testing, Software Documentation, Software Quality Assurance, Development Testing, Test Data, Issue Tracking, Software Technical Review, Quality Assurance, Development Environment, Technical Communication
Beginner · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Data Migration, Data Integration, Enterprise Architecture, Data Management, Data Infrastructure, Data Pipelines, Data Integrity, Data Storage
Advanced · Course · 1 - 3 Months

Skills you'll gain: Microsoft SQL Servers, SQL, Database Design, Stored Procedure, Relational Databases, Database Systems, Database Architecture and Administration, Query Languages, Data Manipulation, Microsoft Development Tools, Scripting, Authentications, User Accounts
Beginner · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Web Components, LESS, Web Development, Semantic Web, Web Content Accessibility Guidelines, Scalability
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Validation, Hypertext Markup Language (HTML), Verification And Validation, Javascript, Web Applications
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Survey Creation, User Feedback, Customer experience improvement, Customer Insights, User Accounts, Marketing, Business
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Unreal Engine, Video Game Development, Animation and Game Design, Game Design, Animations, User Interface (UI), Prototyping, Virtual Environment, Virtual Reality, Visualization (Computer Graphics), Simulations, Artificial Intelligence, User Interface (UI) Design, Augmented and Virtual Reality (AR/VR), Debugging
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Robotic Process Automation, Automation, Manufacturing and Production, Manufacturing Processes, Internet Of Things, User Interface (UI), Systems Integration, Scalability, Development Environment, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Programming Principles, Debugging, Computer Programming, Application Design, Computer Science, Maintainability, Object Oriented Programming (OOP), Software Development, Data Management, Algorithms, Software Architecture
Beginner · Course · 3 - 6 Months

University of Michigan
Skills you'll gain: Data Literacy, Statistical Hypothesis Testing, Scientific Methods, Data Analysis, Experimentation, Research Design, Research, Peer Review, Probability & Statistics, Statistical Inference, Statistical Methods, Media and Communications
Beginner · Course · 1 - 4 Weeks