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.

LearnQuest
Skills you'll gain: Exploratory Data Analysis, Data Storytelling, Data Presentation, Data Analysis, Dashboard Creation, Interactive Data Visualization, No-Code Development, Market Data, Data Science, Predictive Modeling, Data Ethics, Data Capture, Data Processing, Data Transformation, Data Integrity, Data Cleansing, Applied Machine Learning, Data Governance, Data Collection, Data Integration
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Content Creation, Web Content, Generative AI, Content Optimization, Search Engine Marketing
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Geospatial Information and Technology, Cloud Deployment, Geospatial Mapping, Spatial Data Analysis, Cloud Computing, Data Validation, Geographic Information Systems, Image Quality, Data Manipulation, Spatial Analysis, Data Transformation, Cloud Platforms, Verification And Validation, Data Import/Export, Metadata Management, Data Integrity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Consumer Behaviour, Data Collection, Market Research, Marketing, Surveys, Customer Insights, Marketing Psychology, Customer Analysis, Marketing Strategies, Data-Driven Marketing, Qualitative Research, Research Methodologies, Target Market, Survey Creation, Branding, Marketing Strategy and Techniques, Marketing Effectiveness, Research Design, MarTech, Decision Making
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Retrieval-Augmented Generation, AI Workflows, Agentic Workflows, Vector Databases, LangGraph, LangChain, AI Orchestration, LLM Application, Generative AI Agents, Embeddings, Application Performance Management, Large Language Modeling, Agentic systems, Data Pipelines, Semantic Web, Software Visualization, Performance Tuning, Context Management, Debugging, Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Build Tools, Cloud Deployment, Amazon Web Services, Software Architecture, Configuration Management, Java
Beginner · Course · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Systems Thinking, Systems Analysis, Enterprise Modeling, Business Systems Analysis, Process Modeling, Complex Problem Solving, Organizational Development, Analysis, Process Improvement, Dependency Analysis, Organizational Change, Feasibility Studies, Decision Making, Model Evaluation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, API Design, Application Programming Interface (API), Security Controls, Virtual Environment, Development Environment, Python Programming, Secure Coding, Data Access, User Accounts, Package and Software Management, Application Security, Encryption
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Canva (Software), Social Media Content, Graphical Tools, Social Media, Collaborative Software, Social Media Marketing, Social Media Strategy, Graphic and Visual Design Software, Video Editing, Instagram, Graphic and Visual Design, Graphic Design, Content Creation, Animations, Design, Brand Awareness
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Database Development, Billing & Invoicing, Billing, Database Application, Application Design, Registration, Program Development, Restaurant Operation, Invoicing, Restaurant Management, Systems Development, UI Components, Order Entry, Order Management, Scalability, Authentications
Beginner · Course · 1 - 3 Months

Skills you'll gain: Content Performance Analysis, Content Optimization, Web Analytics and SEO, Content Creation, Web Content, Search Engine Optimization, Performance Analysis, Digital Publishing, Content Marketing, Driving engagement, Content Management Systems, Web Analytics, Performance Measurement, Performance Metric, Performance Improvement, Data-Driven Marketing, Copywriting, Process Optimization, Benchmarking, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Software Development Life Cycle, Version Control, Program Development, Software Development, Application Deployment, Git (Version Control System), Software Design Documents, CI/CD, Software Design, DevOps, Unified Modeling Language, GitHub, Debugging, Containerization, Systems Design, Docker (Software), Code Review, Software Documentation, Functional Requirement, Requirements Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months