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: ASP.NET, Web Applications, Web Development, .NET Framework, Microservices, Single Sign-On (SSO), Performance Tuning, Web Design and Development, Identity and Access Management, Full-Stack Web Development, C# (Programming Language), Application Security, Security Controls, Cloud Development, Multi-Factor Authentication, Application Frameworks, Authentications, Server Side, Authorization (Computing), Role-Based Access Control (RBAC)
★ 4.7 (14) · Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Cloud Security, Cloud Computing Architecture, Cloud Deployment, Cloud Management, Cloud Computing, Identity and Access Management, Cloud Infrastructure, Security Controls, CI/CD, Scalability, Data Security, Cloud Solutions, Network Troubleshooting, Disaster Recovery, Infrastructure as Code (IaC), Vulnerability Assessments, Key Management, Network Security, Incident Response, Solution Design
★ 5 (7) · Beginner · Specialization · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Storage vMotion, vCenter Server, VMware ESX Servers, VMware vSAN, Data Migration, Amazon Web Services, Virtual Machines, Cloud Hosting, Amazon Elastic Compute Cloud, Cloud Management, Enterprise Application Management, Cloud Solutions, AWS Identity and Access Management (IAM), Public Cloud, Cloud Computing Architecture, Application Performance Management, Verification And Validation, System Implementation, Network Infrastructure
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, UI Components, Hypertext Markup Language (HTML), Typography, Web Design, Maintainability, Debugging, Web Design and Development, Interactive Design, Semantic Web, Color Theory
Intermediate · Course · 1 - 4 Weeks

University of Arizona
Skills you'll gain: Integrated Marketing Communications, Persona Development, Consumer Behaviour, Marketing Psychology, Customer Analysis, Marketing Strategies, Strategic Marketing, Marketing, Customer Insights, Brand Strategy, Target Market, Marketing Communications, Branding, Storytelling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Real Time Data, Classification Algorithms, File I/O, Color Matching
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Organizational Change, Agentic Workflows, Generative AI Agents, AI Integrations, Forecasting, Workflow Management, Predictive Analytics, Cash Management, Responsible AI, Performance Tuning, Fraud detection, Financial Regulation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Security, LLM Application, Open Web Application Security Project (OWASP), Application Security, Large Language Modeling, Prompt Engineering, Secure Coding, Security Testing, Personally Identifiable Information, Data Loss Prevention, Security Controls, Information Privacy, Authorization (Computing), Supply Chain Management, Data Modeling, Data Governance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Education Software and Technology, Digital pedagogy, Stress Management, Communication Strategies, Instructional Design, Organizational Skills, Active Listening, Verbal Communication Skills, Empathy, Communication, Collaboration, Driving engagement, Emotional Intelligence, Planning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Customer Analysis, Sales Strategy, Sales, Data Analysis Software, Data Analysis, Query Languages, Database Software, Trend Analysis, Databases, Customer Insights, Performance Analysis, Product Assortment
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Search Engine Optimization, Consumer Behaviour, Case Studies, Marketing, Web Analytics and SEO, Marketing Strategies, Process Improvement and Optimization, Digital Advertising, Strategic Marketing, Marketing Strategy and Techniques, Strategic Planning, Digital Marketing, Target Audience, Marketing Effectiveness, Content Optimization, Competitive Analysis, Market Opportunities, Business Strategy, Customer Insights, Strategic Thinking
★ 4.8 (17) · Beginner · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, LLM Application, Model Deployment, Responsible AI, Large Language Modeling, Fine-tuning, MLOps (Machine Learning Operations), Multimodal Prompts, Prompt Patterns, Enterprise Application Management, Model Optimization, AI Workflows, Model Evaluation, Data Management, Model Training, Generative AI, Generative Model Architectures, Embeddings, API Design
Intermediate · Specialization · 3 - 6 Months