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: Role-Based Access Control (RBAC), SQL, Database Development, Databases, Stored Procedure, Database Management Systems, Query Languages, Database Systems, Database Management, Relational Databases, Secure Coding, Authorization (Computing), MySQL, Database Design, Security Controls, Data Access, Business Analytics, Data Analysis, Transaction Processing, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), User Interface (UI), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, Web Design, Typography, API Design, Web Applications, User Interface and User Experience (UI/UX) Design, Application Programming Interface (API), React.js, Javascript, Web Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Mobile Development, Cross Platform Development, Debugging, Application Development, Vibe coding, User Interface (UI), iOS Development, UI Components, Android Jetpack, User Interface and User Experience (UI/UX) Design, Mobile Development Tools, Interactive Design, Android Development, AI powered creativity, User Interface (UI) Design, Apple iOS, Web Applications, Swift Programming, Program Development, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software-Defined Networking, Virtual Networking, Network Architecture, Role-Based Access Control (RBAC), Network Administration, Network Switches, Network Planning And Design, Network Security, Network Troubleshooting, Network Performance Management, Security Controls, IT Automation, Automation, Network Analysis, Event-Driven Programming, Cryptographic Protocols, Python Programming, IT Management, Pandas (Python Package)
Intermediate · Course · 1 - 4 Weeks
Universidade de São Paulo
Skills you'll gain: Conversion Funnel Analysis, Search Engine Marketing, Digital Marketing, Email Marketing, Digital Marketing Campaigns, Google Ads, Marketing Strategies, Search Engine Optimization, Google Analytics, Online Advertising, A/B Testing, Pay Per Click Advertising, Marketing Planning, Advertising Campaigns, Web Analytics, Digital Advertising, Facebook, Campaign Management, Marketing Analytics
Beginner · Course · 1 - 3 Months

University of Manchester
Skills you'll gain: Biotechnology, Biological Engineering, Sustainable Technologies, Process Engineering, Molecular Biology, Chemical Engineering, Sustainable Engineering, Life Sciences, Biochemistry, Pharmaceuticals, Manufacturing and Production, Materials science, Medical Science and Research, Engineering Design Process, Drug Development, Scalability
Beginner · Course · 1 - 3 Months
Rice University
Skills you'll gain: Portfolio Management, Portfolio Risk, Financial Market, Investments, Securities (Finance), Investment Management, Financial Systems, Securities Trading, Asset Management, Behavioral Economics, General Finance, Capital Markets, Risk Modeling, Equities, Financial Trading, Performance Measurement, Finance, Performance Analysis, Risk Management, Return On Investment
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Responsible AI, AI Personalization, Data Ethics, AI Integrations, Computer Vision, Machine Learning Software, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Machine Learning Methods, Natural Language Processing, Web Development, Web Design, Web Applications, AI literacy, Model Training, User Interface and User Experience (UI/UX) Design, Model Evaluation
Intermediate · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Programming Principles, Data Structures, Functional Design, Object Oriented Programming (OOP), Other Programming Languages, Object Oriented Design, Computational Logic, Command-Line Interface
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Search Engine Optimization, Keyword Research, Web Analytics and SEO, Content Optimization, Content Strategy, Marketing, Content Creation, Social Media
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, 3D Assets, Blueprinting, Computer Graphics, Performance Tuning, Virtual Environment, Game Design, Interactive Design, Video Game Development, Scenario Testing, Model Optimization, Visualization (Computer Graphics), Performance Testing, No-Code Development, Development Testing, Software Design, Performance Appraisal, Software Development, Asset Management, Design and Product
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Content Performance Analysis, Marketing Effectiveness, Marketing Strategies, Campaign Planning, Conversion Funnel Analysis, Campaign Management, Data-Driven Marketing, User Feedback, Marketing Communications, Product Marketing, Marketing Analytics, Performance Analysis, Digital Marketing, Performance Measurement, Marketing Design, Target Audience, Driving engagement
Beginner · Course · 1 - 4 Weeks