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.

Banco Interamericano de Desarrollo
Skills you'll gain: Project Design, Case Studies, Project Closure, Sustainable Development, Program Evaluation, Project Risk Management, Project Implementation, Economic Development, Project Planning, Project Documentation, Project Performance, Project Management Life Cycle, Smart Goals, Accountability Frameworks, Stakeholder Engagement, Performance Metric, Key Performance Indicators (KPIs)
★ 4.8 (468) · Beginner · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Containerization, File I/O, Package and Software Management, Unified Modeling Language, Software Testing, Docker (Software), Development Environment, Unit Testing, Application Deployment, Plot (Graphics), Pandas (Python Package), Scripting, DevOps, Data Persistence, Programming Principles, Python Programming, Scripting Languages, Data Structures, Object Oriented Design, Computer Programming
★ 4 (209) · Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Cryptography, Authentications, Exploit development, Encryption, Penetration Testing, Security Strategy, Vulnerability Scanning, Vulnerability Assessments, Security Testing, Application Security, Software Design, C and C++, Linux Administration, System Design and Implementation, Java, Programming Principles, Cybersecurity
★ 4.5 (607) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: React.js, Routing Protocols, UI Components, Code Reusability, JavaScript Frameworks, Front-End Web Development, Frontend Performance, Web Content Accessibility Guidelines, Cascading Style Sheets (CSS), Event-Driven Programming, User Experience Design, User Interface (UI), Frontend Integration, Debugging, Web Development Tools, Web Frameworks, Data Management, Context Management, Javascript, Application Programming Interface (API)
★ 4.7 (263) · Intermediate · Specialization · 3 - 6 Months

National Taiwan University
Skills you'll gain: Childhood Education and Development, Child Development, Institutional Review Board (IRB), Research Methodologies, Research Design, Research, Human Development, Learning Theory, Data Collection, Psychology, Ethical Standards And Conduct, Informed Consent
★ 4.6 (92) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Graphic and Visual Design, Graphic Design, Graphic and Visual Design Software, Animations, Content Creation, Social Media, Collaborative Software, Marketing
★ 4.4 (186) · Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Product Demonstration, Web Content, Video Production, Marketing Materials, Graphic Design, Data Visualization, Content Creation, Shared Media, Video Editing, Web Design, Storytelling, Content Marketing
★ 4.5 (80) · Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Data Mining, Anomaly Detection, Unsupervised Learning, Data Warehousing, Machine Learning Methods, Supervised Learning, Data Pipelines, Data Preprocessing, Classification Algorithms, Data Processing, Data Modeling, Decision Tree Learning, Data Management, Machine Learning Algorithms, Data Science, Data Cleansing, Model Evaluation, Analytical Skills, Ideation, Exploratory Data Analysis
★ 4.1 (182) · Intermediate · Specialization · 1 - 3 Months

Siemens
Skills you'll gain: Computer-Aided Design, Drafting and Engineering Design, Design Software, Data Import/Export, Engineering Drawings, Assembly Drawing, Mechanical Drawings, Technical Drawing, 3D Modeling, 3D Assets
★ 4.7 (79) · Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Surveys, Statistical Hypothesis Testing, Survey Creation, Quantitative Research, Statistical Analysis, Marketing Analytics, Market Research, Advanced Analytics, Statistical Methods, Data Analysis, Probability & Statistics, Marketing, Data-Driven Marketing, Business Research, Business Analytics, Statistical Modeling, Target Market, Market Analysis, Marketing Strategies, Regression Analysis
★ 4.4 (344) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Prompt Engineering, Microsoft Copilot, Responsible AI, Presentations, Microsoft Excel, Microsoft Outlook, Data Presentation, Interactive Data Visualization, Microsoft PowerPoint, Microsoft Teams, Data Storytelling, Predictive Modeling, Email Automation, Data Visualization Software, Dashboard Creation, Data Synthesis, Microsoft Word, Excel Formulas, Microsoft 365, Data Analysis
★ 4.5 (81) · Beginner · Professional Certificate · 3 - 6 Months

Adobe
Skills you'll gain: Marketing Strategies, Promotional Strategies, Marketing Planning, Marketing Strategy and Techniques, Digital Marketing Campaigns, Digital Marketing, Adobe Express, Target Audience, Marketing Materials, Promotions and Campaigns, Conversion Funnel Analysis, Marketing Effectiveness, Promotional Materials, Product Promotion, Driving engagement, Lead Generation, Marketing Automation, Customer Relationship Management, Advertising, Diversity Marketing
★ 4.8 (330) · Beginner · Course · 1 - 4 Weeks