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.

Codio
Skills you'll gain: Algorithms, C++ (Programming Language), C and C++, Data Structures, Theoretical Computer Science, Computer Programming
★ 3.9 (16) · Intermediate · Course · 1 - 4 Weeks

Universidad de Palermo
Skills you'll gain: Eclipse (Software), Java, Java Programming, Object Oriented Programming (OOP), Integrated Development Environments, Data Structures, File I/O, Programming Principles, Algorithms, Computer Programming, Software Development Tools, Computational Thinking, Software Development
Beginner · Course · 1 - 4 Weeks

Nanyang Technological University, Singapore
Skills you'll gain: Systems Engineering, Time Series Analysis and Forecasting, Social Studies, Quantitative Research, Sustainable Development, Critical Thinking and Problem Solving, Simulation and Simulation Software, Agentic systems, Systems Analysis, Computational Thinking, Mathematics and Mathematical Modeling, Graph Theory, Epidemiology, Jupyter
★ 4.7 (35) · Beginner · Course · 1 - 3 Months

Meta
Skills you'll gain: React Native, Mobile Development, GitHub, Git (Version Control System), UI/UX Strategy, Version Control, User Experience Design, User Interface (UI) Design, Wireframing, UI Components, React.js, User Flows, Data Store, Data Access, Development Environment, Data Persistence, SQL
★ 4.8 (47) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Software Testing, Software Technical Review, Code Review, Software Quality Assurance, Verification And Validation, Quality Assurance, Human Factors
★ 4.2 (65) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Security Management, Incident Response, Vulnerability Assessments, Computer Security Incident Management, Threat Management, IT Management, Vulnerability Management, Security Strategy, Cyber Governance, Risk Management Framework, Cyber Security Strategy, Cyber Security Policies, Information Assurance, Security Controls, Cyber Risk, Disaster Recovery
★ 4.5 (31) · Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: SQL, Data Store, Database Management, Relational Databases, Databases, Database Design, Database Systems, Data Visualization Software, Query Languages, Web Scraping, Data Processing, Object Oriented Programming (OOP), Data Modeling, Object Oriented Design, Python Programming, Data Collection
Mixed · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Customer Engagement, Target Market, Digital Advertising, Customer Retention, Customer Relationship Building, Search Engine Optimization, Sales Prospecting, Brand Loyalty, Digital Media Strategy, Lead Generation, Prospecting and Qualification, Digital Marketing, Marketing Strategies, Strategic Communication, Customer experience strategy (CX), Digital Marketing Tools, Cash Flows, Web Analytics
★ 4.9 (152) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Feasibility Studies, Systems Development, Process Modeling, Software Design Documents, Software Development Methodologies, Business Analysis, Functional Requirement, Software Design, Analysis, Business Process Modeling, Business Analysis Tools, Verbal Communication Skills, Communication, Software Development, Data Flow Diagrams (DFDs), Stakeholder Communications, Business Communication, Product Lifecycle Management, Stakeholder Engagement
★ 4.6 (53) · Beginner · Course · 1 - 4 Weeks

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

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, Risk Analysis, Quality Improvement, Process Improvement and Optimization, Process Analysis, Statistical Analysis, Operational Efficiency, Continuous Improvement Process, Team Leadership, Team Management, Root Cause Analysis, Regression Analysis
★ 4.7 (66) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Architectural Drawing, Technical Drawing, Drafting and Engineering Design, Engineering Drawings, Computer-Aided Design, Autodesk, Civil and Architectural Engineering, Architecture and Construction, Architectural Design, Design Software, Plot (Graphics), Data Import/Export, File Management, Design, Functional Design, Command-Line Interface
★ 4.6 (60) · Beginner · Course · 3 - 6 Months