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.

The State University of New York
Skills you'll gain: Strategic Communication, Professional Development, Employee Coaching, Collaboration, Personal Development, Lifelong Learning, Smart Goals, Social Media Content, Coaching, Self-Awareness, Brand Management, Digital Assets, Goal Setting, Branding, LinkedIn, Promotional Strategies, Marketing Strategies, Constructive Feedback, Investigation, Business Research
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Endpoint Detection and Response, Cloud Security, Network Administration, Infrastructure Security, Encryption, Cloud Computing, Authorization (Computing), Network Architecture, Dynamic Host Configuration Protocol (DHCP), Identity and Access Management, Email Security, Application Security, Human Factors (Security), Network Infrastructure, Network Protocols, Local Area Networks, Data Security, Authentications, Malware Protection, Mobile Security
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: File I/O, Test Case, Data Validation, Verification And Validation, Scripting, Data Cleansing, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

ISAE-SUPAERO
Skills you'll gain: Mechanics, Structural Analysis, Engineering Analysis, Mechanical Engineering, Vibrations, Mathematical Modeling, Control Systems, Physics, Systems Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Content Strategy, Content Development and Management, Web Content, No-Code Development, Marketing Collateral, Web Design, Driving engagement, Web Development, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Object Oriented Programming (OOP), Java, Algorithms, Application Programming Interface (API), Data Structures
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Back-End Web Development, Front-End Web Development, OpenAI API, Full-Stack Web Development, Application Development, User Interface (UI), HTML and CSS, Application Programming Interface (API), User Interface and User Experience (UI/UX) Design, Figma (Design Software), Cloud API, Cascading Style Sheets (CSS), AI Personalization, Real Time Data
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsible AI, Anomaly Detection, Computer Vision, Image Analysis, Microsoft Azure, Data Ethics, Artificial Intelligence, Natural Language Processing, Artificial Intelligence and Machine Learning (AI/ML), AI Enablement, Azure DevOps, Machine Learning, Information Privacy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Generative AI, LLM Application, Snowflake Schema, Prompt Engineering, Embeddings, Natural Language Processing, Unstructured Data, Data Pipelines, User Interface (UI), Semantic Web, Data Processing, SQL
Intermediate · Course · 1 - 4 Weeks

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

Microsoft
Skills you'll gain: AI Workflows, Agentic Workflows, AI Orchestration, AI Security, API Testing, System Testing, Test Script Development, Context Management, Health Informatics, Performance Testing, Functional Testing, Business Logic
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prototyping, Object Oriented Programming (OOP), JavaScript Frameworks, Software Design Patterns, Software Design, Maintainability, Software Architecture
Intermediate · Course · 1 - 3 Months