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.

Johns Hopkins University
Skills you'll gain: Data Presentation, Graphic and Visual Design, Visual Design, Data Storytelling, Design Elements And Principles, Plot (Graphics), Data Literacy, Scatter Plots
★ 4.9 (8) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: AutoCAD, Computer-Aided Design, Layout Design, Electrical Systems, Safety Standards, Electrical Safety, Drafting and Engineering Design, Electrical Equipment, Requirements Analysis, Engineering Calculations
★ 5 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: IT Security Architecture, Security Controls, Cryptography, Security Engineering, Application Security, Vulnerability Assessments, Information Systems Security, Cryptographic Protocols, Vulnerability Management, Encryption, Cybersecurity, Infrastructure Security, Computer Security, Public Key Infrastructure, Cyber Security Assessment, Data Integrity
★ 4.8 (11) · Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Agile Project Management, Scrum (Software Development), Sprint Planning, Emotional Intelligence, Backlogs, Creative Problem-Solving, Scaled Agile Framework, Leadership Studies, Negotiation, Sprint Retrospectives, Conflict Management, Agile Software Development, Team Performance Management, Program Management, Brainstorming, Prioritization, User Story, Innovation, Problem Solving, Project Controls
★ 4.4 (94) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Angular, Node.JS, Full-Stack Web Development, HTML and CSS, JavaScript Frameworks, User Interface (UI), Application Deployment, Application Frameworks, Back-End Web Development, Frontend Integration, Front-End Web Development, Hypertext Markup Language (HTML), MongoDB, User Interface (UI) Design, Secure Coding, Middleware, Bootstrap (Front-End Framework), jQuery, Javascript, Cascading Style Sheets (CSS)
★ 4.2 (67) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Relational Databases, Data Visualization, Data Modeling, Cloud Security, Database Management, Database Development, Inventory and Warehousing, Business Intelligence Software, Data Analysis Expressions (DAX), Cloud Management, Advanced Analytics, Cloud-Based Integration, Data Wrangling, Data Management, Performance Measurement, Data Governance, Microsoft Excel, Business Reporting, Cloud Storage, Spreadsheet Software
★ 4.5 (38) · Intermediate · Specialization · 3 - 6 Months

Skillshare
Skills you'll gain: Instagram, Canva (Software), Content Performance Analysis, Web Content Accessibility Guidelines, Image Quality, Photography, Marketing Psychology, Photo Editing, Content Scheduling, Content Creation, Social Media Content, Marketing Design, Visual Storytelling, Performance Analysis, Graphic and Visual Design, Content Strategy, Driving engagement, Social Media, Content Development and Management, Productivity
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Train The Trainer, Virtual Environment, Design, Education Software and Technology, Educational Materials, Communication, Communication Strategies
★ 4.7 (44) · Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Prompt Engineering, Generative AI Agents, Responsible AI, Google Gemini, Retrieval-Augmented Generation, Generative AI, Gemini, Generative Model Architectures, Prompt Patterns, Google Workspace, AI Product Strategy, AI Security, AI Workflows, Google Cloud Platform, Large Language Modeling, Agentic systems, Customer experience improvement, Artificial Intelligence, Cloud Computing, Collaboration
★ 4.7 (10) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Canva (Software), Social Media, Social Media Content, Social Media Campaigns, Content Creation, Animations, Social Media Marketing, Visual Storytelling, Social Media Strategy, Campaign Planning, Driving engagement, Graphic and Visual Design, Instagram, Cross-Channel Marketing, Content Optimization, Branding, Brand Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Software Development Tools, Software Development Life Cycle, Program Development, Computer Programming Tools, Computer Programming, Development Environment, Software Development, Programming Principles, Integrated Development Environments, Software Installation, Command-Line Interface, Linux Commands
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Peer Review, Financial Management, Financial Modeling, Financial Data, Financial Statement Analysis, Financial Analysis, Data Storytelling, Mergers & Acquisitions, Investments, Business Valuation, Return On Investment, Case Studies, Risk Management, Corporate Strategy
★ 4.6 (138) · Intermediate · Course · 1 - 3 Months