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.

Coursera
Skills you'll gain: Marketing Materials, Marketing Design, Presentations, Data Visualization, Content Creation, Graphic Design, Content Marketing, Social Media, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Closing (Sales), Sustainable Business, Sales, Professional Development, Customer Relationship Building, Sales Strategy, Professionalism, Persuasive Communication, Emotional Intelligence, Influencing, Adaptability, Data Centers, Customer Insights, Interviewing Skills, Public Speaking, Negotiation, Account Management, Customer Relationship Management, Lead Generation, Digital Content
Beginner · Professional Certificate · 3 - 6 Months

Board Infinity
Skills you'll gain: White-Box Testing, Software Testing, Risk Analysis, Code Coverage, Test Case, Unit Testing, Test Engineering, Test Planning, Integration Testing
Advanced · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Adobe Illustrator, Adobe Creative Cloud, Graphic Design, Graphic and Visual Design, Adobe Photoshop, Graphic and Visual Design Software, User Interface (UI), Computer Graphics, Document Management, Design Elements And Principles, Typography, Web Content, Productivity Software, Scalability
Mixed · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Web Development Tools, Javascript, Cross Platform Development, Web Applications, Node.JS, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Terraform, User Provisioning, Infrastructure as Code (IaC), Verification And Validation, Data Validation, Amazon Web Services, User Accounts, Amazon Elastic Compute Cloud, Test Case, Secure Coding, Configuration Management, Data Structures
Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, HTML and CSS, Web Design, Frontend Performance, Usability, Web Design and Development, User Interface (UI), Usability Testing, Animations
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Human Factors (Security), Security Awareness, Cyber Governance, Cyber Security Strategy, Cyber Attacks, Cyber Security Policies, Safety Culture, Cyber Risk, Usability, Cyber Security Assessment, Cybersecurity, Security Management, Law, Regulation, and Compliance, Security Strategy, Employee Training, Information Privacy, Network Security, Business Ethics
Beginner · Course · 1 - 3 Months
Universidad de Chile
Skills you'll gain: Education and Training, Leadership, Initiative and Leadership, Adaptability, Professional Development, Collaboration, Community Development, Sustainable Systems
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, LLM Application, LangChain, Large Language Modeling, Vector Databases, Model Deployment, OpenAI API, Hugging Face, Scalability, Embeddings, Generative AI, Data Integration, Data Science, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scenario Testing, Energy and Utilities, Predictive Analytics, Google Gemini, Data-Driven Decision-Making, Forecasting, Analytics, 3D Modeling, Simulation and Simulation Software, Simulations, Sustainable Technologies, Time Series Analysis and Forecasting, Data Visualization, Artificial Intelligence, Search Engine Optimization
Intermediate · Course · 1 - 4 Weeks

Codio
Skills you'll gain: Model View Controller, Test Driven Development (TDD), Restful API, Vue.JS, Full-Stack Web Development, Frontend Integration, Web Applications, Unit Testing, Server Side, Javascript, HTML and CSS, Cascading Style Sheets (CSS), User Interface (UI)
Intermediate · Course · 1 - 4 Weeks