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.

Akamai Technologies, Inc.
Skills you'll gain: SQL, Linux, Endpoint Security, Database Management, Incident Response, Relational Databases, Network Security, Database Systems, Vulnerability Scanning, Computer Security Incident Management, Security Management, Databases, Linux Administration, File Systems, Routing Protocols, OSI Models, Application Development, Remote Access Systems, Scripting, Scripting Languages
★ 4.6 (372) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Azure Synapse Analytics, Data Warehousing, Apache Hadoop, Power BI, Data Architecture, Data Visualization Software, Microsoft Azure, Apache Spark, Extract, Transform, Load, Data Engineering, Database Administration, Big Data, Apache, Data Integration, Business Intelligence, SQL, Databases, Warehousing, Analytics, Data Storage
★ 4.9 (55) · Intermediate · Specialization · 3 - 6 Months

Pearson
Skills you'll gain: Business Modeling, Feasibility Studies, Entrepreneurship, Business Strategy, Strategic Partnership, Strategic Thinking, Marketing Channel, Business Architecture, New Business Development, Business Analysis, Revenue Management, Business Operations, Value Propositions
Beginner · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Lifelong Learning, Teamwork, Time Management, Learning Strategies, Collaboration, Willingness To Learn, Mental Concentration, Productivity, Learning Theory, Persistence, Self-Motivation, Growth Mindedness, Habit Formation, Cognitive flexibility, Planning, Neurology
★ 4.9 (648) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: DeepSeek API, Deepseek, Agentic Workflows, Retrieval-Augmented Generation, AI Workflows, Generative AI Agents, AI Orchestration, Tool Calling, LLM Application, Prompt Engineering, Application Deployment, Application Programming Interface (API), Agentic systems, Generative AI, Embeddings, Artificial Intelligence, Model Evaluation, Python Programming, Large Language Modeling, Vector Databases
Beginner · Specialization · 1 - 3 Months

Simplilearn
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Computational Thinking, Code Reusability, Application Development, Python Programming, Computer Programming, Development Environment, Computational Logic, Integrated Development Environments, System Software, Software Installation, Functional Design
★ 3.6 (14) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Threat Modeling, Application Security, Security Engineering, Blockchain, Security Controls, Security Requirements Analysis, IT Security Architecture, Security Testing, Security Architecture Review, Data Security, Identity and Access Management, Vulnerability Assessments, Cryptographic Protocols, Cryptography, Threat Detection, Distributed Denial-Of-Service (DDoS) Attacks, Information Assurance, Public Key Infrastructure, Risk Analysis, Penetration Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI) Design, Data Persistence, Data Store, Object Oriented Design, Database Management, Data Access, Program Development, Package and Software Management, Cloud API, Computer Programming, Code Reusability, Software Installation, Data Modeling
★ 4.6 (35) · Intermediate · Specialization · 1 - 3 Months

Sage Publications
Skills you'll gain: Research, Cultural Responsiveness, Research Design, Diversity Awareness, Research Methodologies, Cultural Sensitivity, Data Collection, Informed Consent, Community Outreach, Cultural Diversity, Community Development, Social Justice
Beginner · Course · 1 - 3 Months
Madecraft
Skills you'll gain: Customer Service, Customer Complaint Resolution, Campaign Planning, Customer experience strategy (CX), Customer Support, Service Design, Customer Relationship Building, Customer experience improvement, Assertiveness, Personalized Service, Customer Engagement, Customer Retention, Experimentation, De-escalation Techniques, Customer Relationship Management, Customer Insights, Leadership and Management, Conflict Management, Team Leadership, Active Listening
Intermediate · Specialization · 3 - 6 Months

Sage Publications
Skills you'll gain: Succession Planning, Governance, Conflict Management, Workforce Planning, Business Leadership, Business Continuity, Business Management, Leadership and Management, Corporate Strategy, Relationship Management, Family Law, Business Strategy, Leadership, Accountability Frameworks, Organizational Structure, Business Planning, Corporate Sustainability, Stakeholder Management, Wealth Management, Entrepreneurship
Intermediate · Course · 1 - 3 Months

Coursera
Intermediate · Course · 1 - 4 Weeks