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.

Packt
Skills you'll gain: Cryptographic Protocols, Application Design, Exploitation techniques, Event Monitoring, Intrusion Detection and Prevention, Server Side, Continuous Monitoring, Computer Security Incident Management, System Monitoring, System Configuration
Intermediate · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Prompt Engineering, Hugging Face, Agentic Workflows, Generative AI Agents
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Analytics, Supplier Management, E-Commerce, Web Analytics and SEO, WordPress, No-Code Development, Search Engine Optimization, Supply Chain, Supplier Relationship Management, Order Fulfillment, Blogs, Web Design, Web Development, Content Management Systems, Order Management, Web Design and Development, Shipping and Receiving, Performance Analysis, Web Frameworks, Web Development Tools
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Scalability, Performance Measurement, Performance Analysis, Simulations, Algorithms, Performance Metric, Simulation and Simulation Software, Complex Problem Solving, Theoretical Computer Science, Python Programming, Data Structures, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Patient Communication, Team Collaboration, Collaboration, Communication, Communication Strategies, Patient Education and Support, AI literacy, Empathy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Employee Engagement, Performance Metric, Staff Management, Driving engagement, Education Software and Technology, People Analytics, Key Performance Indicators (KPIs), Employee Relations, Program Evaluation, Program Management, Organizational Leadership, Change Management
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Decision Intelligence, Responsible AI, Generative AI Agents, Predictive Modeling, Agentic Workflows, Decision Support Systems, Business Intelligence, Data-Driven Decision-Making, Strategic Decision-Making, Decision Making, Business Analytics, Agentic systems, MLOps (Machine Learning Operations), Forecasting, Data Storytelling, Predictive Analytics, Machine Learning, Scikit Learn (Machine Learning Library), Data Security, Text Mining
Intermediate · Specialization · 1 - 3 Months

Illinois Tech
Skills you'll gain: Platform As A Service (PaaS), Containerization, Serverless Computing, Cloud Platforms, Docker (Software), Cloud Services, Cloud Management, Cloud Computing Architecture, Cloud Computing, Cloud Hosting, Information Management, Cloud Security, Cloud Development, Cloud Deployment, Applied Machine Learning, Application Deployment, Model Deployment, DevOps, Amazon Web Services, Continuous Deployment
★ 4.9 (7) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Collaborative Software, Journals, Organizational Skills, Productivity, Ability To Meet Deadlines, Document Management, Issue Tracking, Project Management, File Management, Personal Development, Query Languages
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: WordPress, Ajax, Content Management Systems, Web Development, PHP (Scripting Language), Database Management, Dashboard Creation, Cascading Style Sheets (CSS), Javascript
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Model Context Protocol, AI Orchestration, AI Workflows, Model Deployment, AI Personalization, OpenAI API, OpenAI, AI Integrations, Cloud Deployment, Agentic Workflows, Agentic systems, Application Deployment, Generative AI Agents, Cloud API, ChatGPT, CI/CD, Responsible AI, Artificial Intelligence, Generative AI, Development Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Version Control, GitHub, User Accounts, Role-Based Access Control (RBAC), User Provisioning, Git (Version Control System), .NET Framework, Identity and Access Management, Database Management, Object-Relational Mapping, Authorization (Computing), Database Application, Microsoft Development Tools, Application Development, C# (Programming Language), Software Design, Authentications, UI Components, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks