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.

Skills you'll gain: SQL Server Reporting Services, Database Design, Microsoft Access, Microsoft Excel, Business Intelligence, Pivot Tables And Charts, Business Intelligence Software, Database Systems, Dashboard, Business Reporting, Databases, Compensation Analysis, Relational Databases, Dashboard Creation, Spreadsheet Software, Data Integrity, Data Validation, Data Visualization, Analytics, Business
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Frontend Integration, Full-Stack Web Development, Email Automation, Front-End Web Development, HTML and CSS, User Interface (UI), Web Design, Code Reusability, Server Side, Java Programming, Email Marketing, MySQL, Program Development, Hypertext Markup Language (HTML), Software Architecture, Web Applications, Back-End Web Development, Development Testing, Cascading Style Sheets (CSS), Case Studies
★ 4.3 (21) · Intermediate · Course · 1 - 4 Weeks

University of Arizona
Skills you'll gain: Intercultural Competence, Teamwork, Empathy, Diversity Awareness, Visionary, Cooperation, Cultural Diversity, Collaboration, Critical Thinking and Problem Solving, Problem Solving, Environmental Issue, Strategic Planning, Sustainable Development, International Relations, Environment, Planning, Innovation, Social Impact
★ 4.4 (25) · Beginner · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Marketing Strategies, Artificial Intelligence and Machine Learning (AI/ML), Strategic Marketing, Marketing Analytics, Artificial Intelligence, Generative AI, Agentic systems, Content Development and Management, Digital Marketing, Content Creation, Automation, Business Ethics, Customer experience improvement, Machine Learning, Natural Language Processing, Content Management, Creativity, Ethical Standards And Conduct, Interactive Data Visualization
★ 4.5 (12) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Internet Of Things, Docker (Software), Grafana, Development Environment, Embedded Software, Security Controls, Devops Tools, Containerization, Interactive Data Visualization, DevOps, JSON, Network Protocols, Dashboard Creation, Embedded Systems, Authentications, Automation, Data Storage
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Keyword Research, Search Engine Optimization, Generative AI, AI Integrations
★ 4.6 (39) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Javascript, Object Oriented Programming (OOP), Web Development, Scripting, Cascading Style Sheets (CSS), Data Validation, Prototyping, Programming Principles, Computational Logic, Code Reusability, Development Environment
Beginner · Course · 3 - 6 Months

Skills you'll gain: Employee Performance Management, Workforce Planning, Talent Management, Performance Management, AI Personalization, Human Resources Management and Planning, People Development, Human Resource Strategy, Workforce Development, HR Tech, Diversity Equity and Inclusion Initiatives, Human Resources, Diversity Programs, Diversity Training, People Analytics, Workforce Management, Employee Training, Innovation, Analytics, Adaptability
★ 4.5 (13) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Organizational Skills, Project Management Software, Organizational Structure, Collaborative Software, Organizational Effectiveness, Team Management, Project Management, User Accounts
★ 4.6 (19) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Point of Sale, Order Delivery, Shipping and Receiving, Logistics Management, Customer experience strategy (CX), Process Optimization
★ 5 (10) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Market Research, Data-Driven Decision-Making, Consumer Behaviour, Business Research, Customer Analysis, Marketing Psychology, Market Analysis, Marketing, Marketing Planning, Data-Driven Marketing, Behavioral Economics, Target Market, Customer Insights, Marketing Strategy and Techniques, Strategic Marketing, Technology Strategies, Product Lifecycle Management, Business-To-Consumer, B2B Sales, Digital Marketing
★ 4.5 (11) · Beginner · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Relational Databases, Databases, Database Theory, Database Design, Database Management, Database Development, SQL, Database Architecture and Administration, Database Management Systems, Query Languages, Data Modeling, Transaction Processing, Data Management, Data Storage, System Design and Implementation, Information Technology, Data Analysis, Information Architecture, Problem Solving, Logical Reasoning
Intermediate · Course · 1 - 3 Months