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.

Coursera
Skills you'll gain: Content Optimization, Blogs, Content Development and Management, Content Creation, Content Performance Analysis, Content Strategy, Web Analytics, Digital Content, Content Marketing, Search Engine Optimization, Web Analytics and SEO, Keyword Research, Google Analytics, Content Management, Marketing Analytics, Data-Driven Marketing, Brand Strategy, Data Analysis, Audit Planning, Safety Audits
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Integrations, AI Security, LLM Application, Application Development, No-Code Development, OAuth, Application Programming Interface (API), Dataflow, Real Time Data, Key Management, Authentications, Data Integration, User Interface (UI) Design, Application Security, Authorization (Computing), Live Streaming, User Interface and User Experience (UI/UX) Design, Automation, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Patterns, AI Workflows, AI Orchestration, Salesforce, Agentic Workflows, Force.com, Generative AI Agents, AI Integrations, Agentic systems, Responsible AI, Artificial Intelligence, AI Security, Coordination, Software Testing, Performance Testing, Enterprise Architecture, Customer Relationship Management (CRM) Software, Model Evaluation, Application Lifecycle Management
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Data Storytelling, Data Visualization, Data Presentation, Dashboard, Interactive Data Visualization, Data Visualization Software, Exploratory Data Analysis, Dashboard Creation, Plotly, Statistical Visualization, Statistical Analysis, Tree Maps, Plot (Graphics), Statistical Programming, Tableau Software, Matplotlib, Data Analysis, Statistical Methods, Data-Driven Decision-Making, Python Programming
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, Application Security, Secure Coding, Authentications, OAuth, Software Testing, Software Development Life Cycle, Unit Testing, Security Testing, Unified Modeling Language, Application Design, Authorization (Computing), Single Sign-On (SSO), Security Software, Software Development, Data Validation, Cyber Security Assessment, Cyber Security Strategy, Cybersecurity, Role-Based Access Control (RBAC)
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: B2B Sales, Enterprise Sales, Stakeholder Analysis, Stakeholder Communications, Stakeholder Engagement, Stakeholder Management, Technical Sales, Risk Analysis, Risk Mitigation, Strategic Prioritization, Negotiation, Data Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Music Theory, Instrumental Music, Musical Composition, Music, Choral Music, Classical Music, Music Performance, Media Production, Post-Production
Beginner · Course · 1 - 3 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Innovation, Private Equity, Business Transformation, Mergers & Acquisitions, Entrepreneurship, Strategic Partnership, Equities, Technology Strategies, Digital Transformation, Portfolio Management, Investment Management, Customer Insights, Research and Design, Direct Selling, Consolidation, Customer Engagement, Data-Driven Decision-Making, Customer Data Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Email Marketing, Brand Strategy, Storytelling, Branding, Microsoft Outlook, Gmail, Marketing Communications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embeddings, Applied Machine Learning, Vector Databases, Artificial Intelligence and Machine Learning (AI/ML), Image Analysis, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Pivot Tables And Charts, Business Intelligence, Spreadsheet Software, Business Reporting, Data Visualization, Interactive Data Visualization, Data Presentation, Dashboard, Dashboard Creation, Data Analysis, Data Visualization Software, Data-Driven Decision-Making, Data Transformation, Analysis, Predictive Analytics, Data Management
Mixed · Course · 1 - 3 Months

Packt
Skills you'll gain: Ajax, Angular, Web Components, JavaScript Frameworks, Web Applications, Javascript, Model View Controller, Event-Driven Programming, Application Frameworks, UI Components, HTML and CSS, Code Reusability, User Interface (UI), Maintainability
Intermediate · Course · 1 - 4 Weeks