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.

The Open University
Skills you'll gain: Sustainable Business, Ideation, Systems Thinking, Sustainable Development, Creative Thinking, Corporate Sustainability, Brainstorming, Experimentation, Sustainable Systems, Creative Problem-Solving, Stakeholder Engagement, Business Modeling, Environmental Social And Corporate Governance (ESG), Stakeholder Analysis, Critical Thinking, Innovation, Cognitive flexibility, Creativity, Business Systems Analysis, Problem Solving
Intermediate · Specialization · 3 - 6 Months
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), API Design, Cloud API, Restful API, Server Side, Web Development, Servers, JSON, Software Documentation, Web Applications, Javascript, Web Services, Technical Documentation, Application Security
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Real-Time Operating Systems, Embedded Software, Internet Of Things, Embedded Systems, Serial Peripheral Interface, System Programming, Emerging Technologies, Communication Systems, Program Development, Application Programming Interface (API), Operating Systems, Peripheral Devices, Digital Communications, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Process Mapping, Process Analysis, Process Improvement, Business Modeling, Business Process Improvement, Business Process, Organizational Structure, Project Design, Project Management, Operational Analysis, Operations Management, Business Strategy, Organizational Strategy, Leadership and Management, Innovation, Value Propositions
★ 2.1 (7) · Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI Agents, Agentic systems, Generative AI, Prompt Engineering, Prompt Patterns, Systems Architecture, Tool Calling, Natural Language Processing, Context Management, Memory Management, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

★ 4.5 (13) · Advanced · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, FinTech, Organizational Structure, Governance, Emerging Technologies, Web Applications, Transaction Processing, Law, Regulation, and Compliance, Distributed Computing, Digital Assets, Payment Processing, Regulatory Compliance, Ledgers (Accounting), Data Security, Financial Regulation, Case Studies
★ 4.7 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Cleansing, Database Design, Data Integration, Data Import/Export, SQL, Data Maintenance, Data Manipulation, Data Wrangling, Database Development, Database Management, Relational Databases, Data Quality, Data Integrity, Query Languages, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Windows PowerShell, Shell Script, Scripting Languages, Scripting, IT Automation, Command-Line Interface, System Configuration, File Management, Software Installation, Security Controls, Configuration Management, Integrated Development Environments, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Content Scheduling, Newsletters, Content Performance Analysis, Campaign Management, Digital Marketing Campaigns, Keyword Research, Digital Marketing, Digital Marketing Tools, Pay Per Click Advertising, Email Marketing, Data-Driven Marketing, Digital Advertising, Performance Metric, Google Ads, Driving engagement, Marketing Channel, Key Performance Indicators (KPIs), Content Management, Content Strategy, Data Analysis
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Agentic systems, Model Context Protocol, Vector Databases, Gemini, Generative AI Agents, Google Gemini, Retrieval-Augmented Generation, Artificial Intelligence, Generative AI, Embeddings, MongoDB, Node.JS, API Design, TypeScript, PostgreSQL, Web Applications, Systems Architecture, Database Management, Debugging, Machine Learning
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, UI Components, Web Language, Front-End Web Development, Mobile Development, Javascript, Animations, User Interface (UI), Web Development Tools, Web Content Accessibility Guidelines, Typography, Semantic Web, GitHub, Version Control, Application Deployment, Development Environment
★ 5 (7) · Beginner · Specialization · 3 - 6 Months