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.

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, Relational Databases, Object-Relational Mapping, SQL, Data Access, Java Platform Enterprise Edition (J2EE), Databases, Database Design, Data Persistence, Object Oriented Design, Java, Data Manipulation, Data Mapping, Java Programming, Database Development, JUnit, Object Oriented Programming (OOP), Database Software, Query Languages
★ 4.7 (56) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Agentic Workflows, AI Integrations, Agentic systems, Azure DevOps, Generative AI Agents, Responsible AI, AI Workflows, DevOps, AI Security, Devops Tools, Infrastructure as Code (IaC), Generative AI, AI Orchestration, CI/CD, Risking, Enterprise Architecture, MLOps (Machine Learning Operations), IT Automation, .NET Framework, GitHub
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Java, Java Programming, Object Oriented Programming (OOP), Computer Programming, Object Oriented Design, Memory Management, Programming Principles, Software Engineering, Debugging, Program Development, Data Structures, IntelliJ IDEA, Application Development, Software Development, Virtual Machines
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Tax Preparation, Tax Compliance, Income Tax, Corporate Tax, Tax Returns, Tax Laws, Corporate Accounting, Audit Working Papers, General Accounting, Compliance Management, Regulatory Compliance, Ledgers (Accounting), Data Mapping, Reconciliation, General Ledger, Responsible AI, Verification And Validation, Excel Formulas, Microsoft Excel, ChatGPT
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Copilot, Responsible AI, Generative AI Agents, Microsoft Power Platform, AI literacy, Power Platform Architecture & Technical Design, Governance, Agentic Workflows, Data Governance, Microsoft 365, Application Lifecycle Management, Product Lifecycle Management, Enterprise Application Management, Configuration Management, User Provisioning, Agentic systems, Technical Writing, Continuous Monitoring, Trend Analysis, Verification And Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Power Platform Architecture & Technical Design, Business Workflow Analysis, Process Analysis, Process Mapping, Business Process Improvement, Functional Requirement, Enterprise Architecture, Business Process, Solution Architecture, Microsoft Power Platform, Requirements Analysis, Enterprise Modeling, Requirements Elicitation, Cloud Solutions, Cloud Computing Architecture, Digital Transformation, Microsoft Azure, User Requirements Documents, Planning, Risk Mitigation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Business Marketing, Consumer Behaviour, Business-To-Consumer, B2B Sales, Purchasing, Target Market, Marketing Psychology, Marketing, Customer Analysis, Enterprise Sales, Market Dynamics, Strategic Marketing, Culture, Target Audience, New Product Development, Social Sciences, Marketing Strategies, Decision Making, Organizational Structure, Procurement
Beginner · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: New Product Development, Product Management, Product Development, Innovation, Product Lifecycle Management, Product Roadmaps, Product Planning, Product Strategy, Project Management Life Cycle, Drive Engagement, Product Design, Product Marketing, Stakeholder Engagement, Stakeholder Management, Competitive Analysis, Product Testing, Communication Planning, Project Planning, Registration, Leadership
★ 4.6 (631) · Beginner · Specialization · 3 - 6 Months

McMaster University
Skills you'll gain: Exercise Science, Physical Stamina, Kinesiology, Time Management, Lifting Ability, Human Musculoskeletal System, Habit Formation, Health Assessment, Nutrition and Diet, Physiology, Mental Health, Goal Setting
★ 4.7 (820) · Beginner · Course · 1 - 4 Weeks

Snowflake
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, AI Orchestration, Fine-tuning, Agentic Workflows, AI Workflows, Generative Model Architectures, LLM Application, Data Engineering, Data Manipulation, Model Context Protocol, Data Store, Large Language Modeling, Artificial Intelligence, Application Deployment, Tool Calling, Data Warehousing, Unstructured Data, SQL
★ 4.7 (286) · Beginner · Professional Certificate · 1 - 3 Months

Skills you'll gain: OSI Models, Communication Systems, Cloud Computing Architecture, Network Protocols, Telecommunications, Internet Of Things, Cloud Deployment, TCP/IP, Cloud Computing, General Networking, Electric Power Systems, Energy and Utilities, Cloud Management, Network Infrastructure, Interoperability, Wireless Networks, Electrical Power, Cyber Engineering, Electrical Systems, Threat Modeling
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Content Marketing, Content Performance Analysis, Content Strategy, Campaign Planning, Social Media Campaigns, Content Development and Management, Search Engine Optimization, Content Creation, Digital Marketing Campaigns, Social Media Strategy, Digital Media Strategy, Content Optimization, Social Media Marketing, Social Media Content, Web Analytics and SEO, Shared Media, Target Audience, Digital Brand Strategy, Social Media, Web Presence
★ 4.6 (1.2K) · Intermediate · Course · 1 - 4 Weeks