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.

Board Infinity
Skills you'll gain: Usability Testing, Usability, Software Testing, Software Quality (SQA/SQC), Test Planning, Human Centered Design, Technical Communication, User Experience Design, User Research, UI/UX Research, Quality Assurance, Verification And Validation, User Centered Design, Report Writing, Web Content Accessibility Guidelines, Stakeholder Engagement
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Legal Risk, Contract Management, Contract Review, Risk Mitigation, Procurement, Request For Quotation (RFQ), Vendor Contracts, Purchasing, Technical Communication, Decision Making, Verification And Validation, Verbal Communication Skills, Case Studies, Strategic Decision-Making
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Responsible AI, Prompt Engineering, Generative AI Agents, Google Gemini, Gemini, Retrieval-Augmented Generation, Generative AI, Google Cloud Platform, AI Enablement, Customer experience improvement, Data Ethics, Generative Model Architectures, Google Workspace, Agentic Workflows, AI Orchestration, AI Product Strategy, Agentic systems, Artificial Intelligence, Cloud Computing, Collaboration
Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Convolutional Neural Networks, Computer Vision, Keras (Neural Network Library), Image Analysis, Deep Learning, Transfer Learning, Tensorflow, Dimensionality Reduction, Model Training, Network Architecture
Intermediate · Course · 1 - 4 Weeks

Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Web Components, Cascading Style Sheets (CSS), HTML and CSS, Angular, Hypertext Markup Language (HTML), Responsive Web Design, Frontend Performance, Front-End Web Development, Bootstrap (Front-End Framework), Web Content Accessibility Guidelines, Web Design, Web Design and Development, React.js, UI Components, Frontend Integration, Web Analytics and SEO, JavaScript Frameworks, Web Development, Semantic Web, Web Applications
Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: JUnit, File I/O, Unit Testing, Java Programming, Debugging, Java, Maintainability, Software Development, Secure Coding, Software Testing, Test Case, Cryptographic Protocols, Authentications, Application Security, Data Import/Export, Cryptography, Object Oriented Programming (OOP), Eclipse (Software), Integrated Development Environments, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard Creation, Dashboard, Data Preprocessing, Interactive Data Visualization, Data Visualization Software, Real Time Data, Data Analysis, Application Programming Interface (API), No-Code Development, JSON, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Database Design, Database Systems, Database Theory, MongoDB, Database Development, Database Management Systems, Data Modeling, Database Management, Database Architecture and Administration, NoSQL, Relational Databases, Unified Modeling Language, SQL, Data Management, Performance Tuning, Software Architecture, Conceptual Design
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Video Game Development, Game Design, Unity Engine, Debugging, Program Development, Unreal Engine, Animation and Game Design, No-Code Development, Integrated Development Environments, Graphics Software, Computer Programming, C++ (Programming Language), Event-Driven Programming, Programming Principles, Object Oriented Programming (OOP), Code Reusability, C# (Programming Language), User Interface (UI), Software Installation, Scripting Languages
Beginner · Specialization · 3 - 6 Months

Universidad Peruana de Ciencias Aplicadas
Skills you'll gain: Child Development, Community Development, Social Impact, Infographics, Graphic and Visual Design, Human Centered Design, Design Research, Qualitative Research, Child Welfare, Sustainable Development, Design Strategies, Planning, Community Outreach, Design, Needs Assessment, Design Elements And Principles
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Data Literacy, Statistical Hypothesis Testing, Scientific Methods, Data Analysis, Statistical Reporting, Experimentation, Science and Research, Research Design, Analytical Skills, General Science and Research, Research, Peer Review, Probability & Statistics, Journalism, Statistical Inference, Statistical Methods, Media and Communications, Research Methodologies
Beginner · Course · 1 - 4 Weeks