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.

Coursera
Skills you'll gain: Canva (Software), Infographics, Video Production, Photo/Video Production and Technology, Content Creation, Visual Design, Design, Video Editing, Graphic Design, Graphics Software, Digital Design, Graphic and Visual Design Software, Design Software
★ 4.7 (92) · Beginner · Guided Project · Less Than 2 Hours

Arizona State University
Skills you'll gain: Electrical Safety, Safety Standards, Environmental Regulations, Electrical Systems, Sustainable Technologies, Power Electronics, Energy and Utilities, Sustainable Engineering, Sustainable Design, Reliability, Climate Change Mitigation, Environmental Issue, Materials science, Product Lifecycle Management, Chemistry, Environmental Engineering, Emerging Technologies
★ 4.7 (127) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Systems Thinking, Epidemiology, Systems Analysis, Social Network Analysis, Simulations, Network Analysis, Public Health, Network Model, Public Health and Disease Prevention, Social Determinants Of Health, Behavioral Health, Economics
★ 4.6 (205) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Process Controls, Statistical Hypothesis Testing, Lean Methodologies, Process Improvement, Six Sigma Methodology, Kaizen Methodology, Lean Six Sigma, Benchmarking, Process Capability, Lean Manufacturing, Risk Analysis, Quality Improvement, Process Improvement and Optimization, Process Analysis, Statistical Analysis, Continuous Improvement Process, Team Leadership, Team Management, Root Cause Analysis, Regression Analysis
★ 4.7 (67) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Role-Based Access Control (RBAC), Azure Active Directory, Microsoft Azure, Virtual Networking, Active Directory, Load Balancing, Cloud Management, Virtual Machines, Kubernetes, Network Monitoring, Authorization (Computing), Identity and Access Management, User Provisioning, Network Troubleshooting, Virtualization and Virtual Machines, Containerization, Network Planning And Design, Cloud Storage, Cloud Computing, Infrastructure As A Service (IaaS)
★ 4.1 (34) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Star Schema, Snowflake Schema, Data Lakes, Data Warehousing, CI/CD, Database Design, Microsoft Azure, Power BI, Data Governance, Continuous Integration, Real Time Data, Data Pipelines, Microsoft Copilot, Transaction Processing, Data Architecture, Model Optimization, Transact-SQL, Enterprise Architecture, SQL, Cloud Infrastructure
★ 3.6 (10) · Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: GitHub Copilot, Responsive Web Design, Web Components, HTML and CSS, Web Design and Development, Prompt Engineering, Prompt Patterns, AI powered creativity, Web Development Tools, Web Development, Software Engineering, Machine Learning
★ 4.6 (76) · Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: WordPress, Responsive Web Design, Web Content, Content Management Systems, Web Design, Web Presence, Web Design and Development, Content Management, Web Development
★ 4.4 (232) · Beginner · Guided Project · Less Than 2 Hours

Microsoft
Skills you'll gain: GitHub Copilot, Prompt Engineering, Prompt Patterns, AI literacy, GitHub, Computer Programming, Software Installation, System Configuration
★ 4.5 (349) · Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Management Accounting, Cost Accounting, Operating Cost, Operational Analysis, Performance Measurement, Financial Accounting, Accounting, Profit and Loss (P&L) Management, Cost Control, Strategic Decision-Making, Cost Estimation, Cost Management, Decision Making, Financial Analysis, Product Planning, Product Lining, Sales
★ 3.8 (189) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, JSON, Test Automation, Test Script Development, Application Programming Interface (API), Restful API, Software Testing, Test Tools, Integration Testing, Functional Testing
★ 4.6 (309) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Structures, Algorithms, Graph Theory, Programming Principles, Theoretical Computer Science, Computer Science, Computer Programming, Python Programming, Pandas (Python Package), Machine Learning Algorithms, Computational Thinking, C++ (Programming Language), Data Architecture, Random Forest Algorithm, Performance Tuning, Object Oriented Programming (OOP), Network Analysis, Program Development, Problem Solving, Debugging
★ 4.5 (40) · Intermediate · Specialization · 3 - 6 Months