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 Michigan
Skills you'll gain: Climate Change Adaptation, Social Justice, Sustainable Development, Systems Thinking, Social Impact, Sustainable Systems, Environmental Issue, Climate Change Mitigation, Community Organizing, Environment, Innovation, Socioeconomics, Mitigation, Environmental Science, Environmental Resource Management, Social Sciences, Economics, Policy, and Social Studies, Sustainability Standards
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Data Storytelling, Data Analysis Expressions (DAX), Data Presentation, Power BI, Data Ethics, Dashboard Creation, Dashboard, Data Modeling, Data Governance, Extract, Transform, Load, Data Visualization, Business Intelligence, Interactive Data Visualization, Data Visualization Software, Data Analysis, Statistical Analysis, Correlation Analysis, Data Architecture, Data Cleansing, Data Transformation
★ 4.6 (201) · Beginner · Professional Certificate · 3 - 6 Months

LearnKartS
Skills you'll gain: Azure DevOps Pipelines, Azure DevOps, GitHub, Git (Version Control System), Infrastructure as Code (IaC), DevSecOps, CI/CD, Version Control, Agile Software Development, Terraform, Microsoft Azure, Scrum (Software Development), DevOps, Devops Tools, Kubernetes, YAML, Application Performance Management, Authorization (Computing), Load Balancing, Identity and Access Management
Intermediate · Specialization · 3 - 6 Months

Sage Publications
Skills you'll gain: Retail Sales, Conflict Management, Retail Store Operations, Cross-Channel Marketing, Market Dynamics, Sales Strategy, E-Commerce, Coordinating, Market Analysis, Business-To-Consumer, Supplier Performance Management, Customer Analysis, Vendor Management, Performance Measurement, Strategic Partnership, Performance Management, Systems Analysis, Performance Analysis, Performance Improvement, Model Evaluation
Intermediate · Course · 1 - 3 Months
Duke University
Skills you'll gain: Database Design, MySQL, Relational Databases, SQL, Database Management, Data Modeling, Query Languages, Databases, Big Data, Business Analysis, Data Analysis
★ 4.7 (4.1K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: SQL Server Integration Services (SSIS), Azure Synapse Analytics, Data Mapping, Data Warehousing, Extract, Transform, Load, Data Validation, Power BI, Data Architecture, Workflow Management, Data Transformation, Data Visualization Software, Data Management, Data Integration, Business Intelligence, Warehousing, Apache Spark, SQL, Analytics, Data Pipelines, Apache
★ 4.8 (83) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Data Science, Web Applications, Python Programming, Data Analysis, Programming Principles, Artificial Intelligence, Computer Programming, Game Design
★ 4.5 (2.2K) · Beginner · Guided Project · Less Than 2 Hours

University of Geneva
Skills you'll gain: International Relations, Leadership and Management, Strategic Partnership, Marketing, Organizational Leadership, Fundraising, Business Management, Leadership, Governance, Organizational Structure, World History, Branding
★ 4.8 (2K) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Productivity, Productivity Software, Consolidation, Collaborative Software, Setting Appointments, Calendar Management, Organizational Skills, Project Management Software, Scheduling, Time Management, Delegation Skills, Team Oriented, Document Management, Workflow Management, Goal Setting, Project Management, User Accounts
★ 4.5 (800) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Innovation, Product Management, Drive Engagement, Product Marketing, Product Development, Stakeholder Engagement, Competitive Analysis, Product Planning, Communication Planning, Product Strategy, Business Strategy, Business Development, Product Lifecycle Management, Ideation, Market Analysis, Product Knowledge, Communication, Stakeholder Management, Media and Communications, Leadership
★ 4.6 (384) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Professional Networking, LinkedIn, Professional Development, Relationship Building, Follow Through, Interpersonal Communications, Professionalism, Business Communication, Rapport Building, Verbal Communication Skills, Communication, Community Outreach, Collaboration, General Networking, Business Marketing, Personal Development, Business Relationship Management, Business Leadership, Leadership Development, Growth Strategies
Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Hardware Design, Security Engineering, Computer Hardware, Hardware Architecture, Hardening, Computer Security, Threat Modeling, Threat Detection, Cybersecurity, Intrusion Detection and Prevention, Security Architecture Review, Application Specific Integrated Circuits, Cryptographic Protocols, Microarchitecture, Cryptography, Systems Design, Encryption, Exploitation techniques, Functional Design, Emerging Technologies
★ 4.3 (693) · Mixed · Course · 1 - 3 Months