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: Responsive Web Design, HTML and CSS, Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Bootstrap (Front-End Framework), Layout Design, UI Components, Front-End Web Development, Multimedia, Usability, Web Development, Interactive Design, Javascript, Graphic and Visual Design, Web Design and Development, Typography, Project Design, User Interface (UI), Web Analytics and SEO
★ 4.7 (13) · Beginner · Specialization · 3 - 6 Months

H2O.ai
Skills you'll gain: Large Language Modeling, LLM Application, Model Evaluation, Fine-tuning, Collaborative Software, Artificial Neural Networks, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Model Optimization, Generative AI, Data Management, Model Training, Data Preprocessing, Generative Model Architectures, Natural Language Processing, Data Validation, Data Cleansing, Applied Machine Learning, Transfer Learning, Verification And Validation
★ 3.7 (15) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: CI/CD, Cloud Deployment, Application Deployment, Software Development Life Cycle, Systems Development Life Cycle, Continuous Deployment, Development Testing, Continuous Delivery, Software Development, Continuous Integration, Amazon Web Services, Test Tools, Containerization
Intermediate · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Image Quality, Image Analysis, Digital Signal Processing, Computer Graphics, Python Programming, Color Theory, Algorithms
★ 4.4 (15) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Canva (Software), Presentations, Organizational Structure, Diagram Design, Graphical Tools, Data Visualization, Graphic and Visual Design Software, Design Elements And Principles, Graphic and Visual Design, Graphic Design, Organizational Skills, Marketing
★ 4.5 (22) · Intermediate · Guided Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: Education and Training, International Relations, Systems Thinking, World History, Systems Analysis, Community Development, Leadership, Policy Analysis, Research, and Development, Intercultural Competence, Policy Analysis, Discussion Facilitation, Diversity Equity and Inclusion Initiatives
★ 4.8 (15) · Beginner · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Organizational Change, Business Transformation, Mergers & Acquisitions, Change Management, Organizational Development, Digital Transformation, Culture Transformation, Agile Methodology, Scaled Agile Framework, Adaptability, Organizational Leadership, Organizational Strategy, Organizational Effectiveness, Business Leadership, Strategic Planning, Technology Strategies, Organizational Structure, Innovation, Leadership, Business Strategy
Intermediate · Course · 1 - 3 Months

Codio
Skills you'll gain: Go (Programming Language), Package and Software Management, Object Oriented Programming (OOP), Web Services, Web Frameworks, Debugging, Python Programming, Server Side, Performance Tuning, Other Programming Languages, Software Engineering, Programming Principles
★ 3.6 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SketchUp (3D Modeling Software), AutoCAD, Architectural Drawing, 3D Modeling, 3D Assets, Visualization (Computer Graphics), Design Software, Computer Graphics
★ 5 (30) · Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: File I/O, Object Oriented Programming (OOP), Java Programming, Data Structures, Java, Data Persistence, Programming Principles, Data Store, Persistence
★ 5 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Artificial Intelligence, Agentic systems, Machine Learning Algorithms, Bayesian Network, Applied Machine Learning, Computational Logic, Machine Learning, Bayesian Statistics, Artificial Neural Networks, Reinforcement Learning, Decision Intelligence, Markov Model, Algorithms, Programming Principles, Data-Driven Decision-Making, Probability & Statistics
★ 5 (10) · Mixed · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Rapport Building, Companionship, Relationship Building, Relationship Management, Team Building, Constructive Feedback, Friendliness, Collaboration, Professional Networking, Trustworthiness, Growth Mindedness, Communication Strategies
★ 4.5 (8) · Beginner · Course · 1 - 3 Months