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.

University of Colorado System
Skills you'll gain: TCP/IP, Local Area Networks, Routing Protocols, Network Routing, Digital Communications, OSI Models, Network Protocols, Open Shortest Path First (OSPF), Network Routers, Communication Systems, Telecommunications, Dynamic Host Configuration Protocol (DHCP), Network Planning And Design, Network Security, Network Switches, General Networking, Network Performance Management, Computer Networking, Network Architecture, Network Infrastructure
★ 4.6 (3.4K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Product Requirements, Prompt Engineering, Prompt Patterns, LLM Application, Product Lifecycle Management, Process Design, Process Mapping, Token Optimization, User Requirements Documents, MLOps (Machine Learning Operations), Operational Efficiency, Business Process Automation, Product Management, Large Language Modeling, Model Optimization, Process Driven Development, Cost Containment, Process Optimization, Key Performance Indicators (KPIs), Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Image Analysis, Data Preprocessing, Computer Vision, Data Transformation, Python Programming, NumPy
Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cucumber (Software), Software Testing, Selenium (Software), Gherkin (Scripting Language), JUnit, Verification And Validation, Test Automation, Unit Testing, Security Testing, Regression Testing, System Testing, Test Case, Software Development Tools, Testability, White-Box Testing, Behavior-Driven Development, Code Coverage, Performance Testing, Development Testing
★ 4.2 (1K) · Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Teamwork, Conflict Management, Collaboration, Diversity Awareness, Team Collaboration, Decision Making, Collaborative Software, Interpersonal Communications, Social Skills, Workplace inclusivity, Cultural Diversity, Communication Strategies, Innovation, Communication, Culture, Digital Communications
★ 4.7 (3.7K) · Beginner · Course · 1 - 4 Weeks

Tableau Learning Partner
Skills you'll gain: Data Storytelling, Exploratory Data Analysis, Requirements Elicitation, Ad Hoc Reporting, Data Presentation, Data Governance, Data Ethics, Tableau Software, Business Analysis, Data Literacy, Data Visualization, Data Preprocessing, Plot (Graphics), Business Analysis Tools, Data Visualization Software, Data Warehousing, Business Metrics, Data Analysis, Spatial Data Analysis, Data Management
★ 4.7 (1.2K) · Beginner · Professional Certificate · 3 - 6 Months

Coursera
Skills you'll gain: Vector Databases, Query Languages, Performance Tuning, Performance Analysis, Embeddings
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: CrewAI, AI Workflows, Model Context Protocol, Agentic Workflows, AI Orchestration, Generative AI Agents, Tool Calling, Role-Based Access Control (RBAC), Agentic systems, AI Security, Security Controls, AI Integrations, Build Tools, Retrieval-Augmented Generation, Authorization (Computing), Context Management, Identity and Access Management, Generative AI, Application Programming Interface (API), Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Classification And Regression Tree (CART), Dashboard Creation, Dashboard, Decision Intelligence, Descriptive Statistics, Root Cause Analysis, Data Analysis, Predictive Modeling, Advanced Analytics, Tableau Software, Scikit Learn (Machine Learning Library), Model Deployment, Artificial Intelligence and Machine Learning (AI/ML), Natural Language Processing, Apache Spark, Keras (Neural Network Library), Retrieval-Augmented Generation, Reinforcement Learning, Apache Kafka, SQL
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Color Theory, Creativity, Layout Design, Journals
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Model Training, Image Analysis, Model Optimization, Computer Vision, Model Deployment, Image Quality, MLOps (Machine Learning Operations), Data Analysis, Deep Learning, Exploratory Data Analysis, Failure Analysis, Data Preprocessing, Workflow Management, AI Workflows, Data Transformation, Experimentation, Performance Analysis, Data Manipulation, Performance Metric
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Computing Architecture, Cloud Infrastructure, Multi-Cloud, Enterprise Architecture, Generative Model Architectures, Security Architecture Review, Infrastructure Architecture, Systems Architecture, Generative AI, Microservices, Infrastructure as Code (IaC), Data Architecture, Scalability, Site Reliability Engineering, CI/CD, Cost Management, Security Controls, Application Performance Management, Data Pipelines, Governance
Intermediate · Course · 3 - 6 Months