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: Google App Engine, Cloud Deployment, Cloud Applications, Google Cloud Platform, Application Deployment, Cloud Development, Cloud API, Web Applications, Cloud Services, Flask (Web Framework), Data Access, Cloud Storage, Image Analysis
Beginner · Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Systems Engineering, Requirements Analysis, Requirements Elicitation, Systems Development Life Cycle, Systems Development, Configuration Management, Engineering Management, Project Risk Management, Waterfall Methodology, Functional Requirement, Systems Analysis, Project Management, Risk Management, Systems Architecture, System Requirements
★ 4.6 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Brand Awareness, Market Research, Strategic Marketing, Branding, Brand Marketing, User Feedback, Brand Strategy, Marketing, Brand Management, Research, User Research
★ 4.9 (16) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Storyboarding, Animations, Storytelling, Musical Composition, Visual Storytelling, Video Production
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Journals, Color Theory, Storytelling, Creativity, Layout Design, Visual Storytelling, Creative Thinking, Creative Problem-Solving, Overcoming Obstacles, Resourcefulness, Time Management, Curiosity, Growth Mindedness, Cognitive flexibility, Design Elements And Principles, Resilience, Decisiveness, Open Mindset, Personal Development, Decision Making
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Product Planning, Product Development, Product Strategy, Sustainable Business, Product Management, Marketing, Product Marketing, New Product Development, Marketing Strategy and Techniques, Product Lifecycle Management, Strategic Marketing, Sales Presentations, Marketing Strategies, Presentations, Promotional Strategies, Sustainable Development, Proposal Development, Corporate Sustainability, Capital Budgeting, Return On Investment
★ 5 (10) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Object-Relational Mapping, Java Programming, Database Design, Authentications, Programming Principles
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Rapport Building, Relationship Building, Research, Planning, Goal-Oriented, Professionalism, Resilience, Professional Development, Communication Strategies, Resourcefulness, Problem Solving, Persistence, Persuasive Communication, Time Management, Overcoming Obstacles, Communication, Strategic Thinking
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Back-End Web Development, Server Side, Data Access, Apache Tomcat, Application Servers, Java Programming, Relational Databases, Databases, Java, Web Servers, SQL, Authentications, Web Applications, Secure Coding, Software Design Patterns, Data Persistence
★ 4.7 (28) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Financial Analysis, Capital Expenditure, Business Strategy, Data-Driven Decision-Making, Financial Data, Capital Budgeting, Finance, Financial Modeling, Business Metrics, Business Valuation, Corporate Finance, Equities, Risk Analysis, Communication, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Case, Test Execution Engine, Javascript and jQuery, Automation, Code Reusability, Software Design Patterns, UI Components
Intermediate · Course · 1 - 3 Months

Tencent Cloud
Skills you'll gain: Cloud Computing Architecture, Cloud Solutions, Cloud Computing, Cloud Infrastructure, Solution Architecture, Serverless Computing, Cloud Services, Infrastructure Architecture, Network Architecture, Virtual Networking, Cloud Management, API Gateway, Scalability, Performance Tuning, Network Performance Management
★ 4.8 (15) · Intermediate · Course · 1 - 3 Months