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.

Queen Mary University of London
Skills you'll gain: Qualitative Research, Proposal Development, Market Research, Research Reports, Data Collection, Research Design, Surveys, Research Methodologies, Analytics, Proposal Writing, Data Analysis, Digital Brand Strategy, Statistical Hypothesis Testing, Survey Creation, Digital Analysis, Statistical Analysis, Correlation Analysis, Business Research, Report Writing, Focus Group
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Cloud Hosting, HTML and CSS, Web Development, Web Design and Development, GitHub, Web Servers, Web Presence, Web Content, Web Design, Git (Version Control System)
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Node.JS, API Testing, Restful API, Unit Testing, API Design, Hardening, Application Performance Management, Authentications, Server Side, Postman API Platform, Software Testing, System Monitoring, Secure Coding, Performance Tuning, Back-End Web Development, Web Servers, Application Programming Interface (API), Application Deployment, MongoDB, Databases
Intermediate · Specialization · 1 - 3 Months

EDUCBA
Skills you'll gain: Technical Drawing, Engineering Drawings, Mechanical Drawings, Computer Aided Three-Dimensional Interactive Application (CATIA), Assembly Drawing, 3D Modeling, Mechanical Design, Drafting and Engineering Design, Computer-Aided Design, Visualization (Computer Graphics), Design Software, File Management, Engineering Design Process, Interoperability, User Interface (UI)
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Theoretical Computer Science, Algorithms, Computational Thinking, Data Structures, Design Strategies, Quantum computing, Applied Mathematics, Python Programming, Analysis
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Requirements Management, Cash Management, Requirements Elicitation, Stakeholder Management, Stakeholder Analysis, Stakeholder Engagement, Working Capital, Financial Management, Finance, Operational Efficiency, Banking, Financial Services, Banking Services, Business, Financial Systems, Business Solutions, Business Strategies, Payment Systems, Decision Making, Design
Mixed · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Logo Design, Brand Marketing, Style Guides, Marketing Design, Brand Awareness, Branding, Marketing Materials, Marketing Collateral, Organizational Skills, Marketing, File Management, Graphic Design, Business, Digital Marketing
Intermediate · Guided Project · Less Than 2 Hours

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Prompt Patterns, Organizational Skills, Planning, Action Oriented, Prioritization, Goal Setting, Productivity, AI Personalization, Time Management, Presentations, Personal Development, Writing and Editing, ChatGPT, Microsoft Copilot, Decision Making, Google Workspace, Generative AI, Research, Professional Development
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: SQL, Microsoft SQL Servers, Relational Databases, Transact-SQL, Data Transformation, Database Theory, Data Manipulation, Databases, Query Languages, Database Development, Database Software, Database Management, Data Access, Database Design, Data Wrangling, GitHub Copilot, Generative AI Agents, Data Presentation, Maintainability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Consumer Behaviour, Marketing Psychology, Customer Analysis, Customer Insights, Market Research, Target Market, Marketing, Data-Driven Marketing, Marketing Strategies, Target Audience, Market Analysis, Marketing Strategy and Techniques, Branding, Culture, Psychology
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Reinforcement Learning, Computational Logic, Responsible AI, AI Workflows, Machine Learning Methods, Model Optimization, Agentic systems, Machine Learning, Theoretical Computer Science, Model Evaluation, Continuous Monitoring, Functional Specification, Markov Model, Verification And Validation, Safety and Security
Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Digital pedagogy, Language Competency, Educational Materials, Instructional Design, Program Standards
Beginner · Course · 1 - 3 Months