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.

University of Colorado System
Skills you'll gain: Systems Engineering, Verification And Validation, Systems Architecture, Configuration Management, Systems Development, Systems Development Life Cycle, Systems Design, Reliability, Risk Management, Risk Management Framework, Systems Analysis, Systems Integration, Integration Testing, Acceptance Testing, Change Control, Requirements Analysis, Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, API Design, Web Applications, Cascading Style Sheets (CSS), Application Programming Interface (API), HTML and CSS, JSON, Web Servers, Javascript, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Multimodal Prompts, Prompt Engineering, AI Orchestration, AI Workflows, Generative AI, AI Integrations, Microsoft Azure, OpenAI API, Prompt Patterns, Image Analysis, Artificial Intelligence, Computer Vision, Model Optimization
Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Keyword Research, Search Engine Optimization, Content Creation, Competitive Analysis, Web Analytics and SEO, Data Ethics, Search Engine Marketing, ChatGPT, Content Performance Analysis, Artificial Intelligence, Marketing, Marketing Materials, Business Strategy, Digital Marketing, Marketing Strategy and Techniques, Digital Media Strategy, Content Marketing, Market Research, Business Ethics, Product Strategy
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: MLOps (Machine Learning Operations), Convolutional Neural Networks, Recurrent Neural Networks (RNNs), Fine-tuning, Containerization, Model Optimization, AI Workflows, Model Evaluation, Model Deployment, Generative AI Agents, LangGraph, Keras (Neural Network Library), Agentic Workflows, Transfer Learning, Artificial Intelligence and Machine Learning (AI/ML), CrewAI, Image Analysis, Large Language Modeling, Natural Language Processing, Python Programming
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Brand Strategy, Presentations, Branding, Logo Design, Design Strategies, Process Development, Visual Storytelling, Creative Design, Graphic and Visual Design, Adobe Illustrator, Photo Editing, Adobe Photoshop, Storytelling, Target Audience
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Workplace inclusivity, Diversity and Inclusion, Culture Transformation, Safety Culture, Diversity Training, Cognitive flexibility, Leadership, Organizational Leadership, Team Management, Empathy, Drive Engagement, Cultural Diversity, Diversity Equity and Inclusion Initiatives, Collaboration, Diversity Awareness, Diversity Programs, Innovation, Employee Engagement, Adaptability, Communication
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Microservices, Frontend Integration, JavaScript Frameworks, Microarchitecture, Front-End Web Development, Event-Driven Programming, Web Design, Secure Coding, Software Design, Scalability, Server Side, Maintainability, Data Sharing
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, Spring Framework, Spring Boot, Hibernate (Java), API Design, Development Testing, Verification And Validation, Authentications, Object-Relational Mapping, Maintainability, Data Persistence, Authorization (Computing), Application Design, YAML, Role-Based Access Control (RBAC), Endpoint Security, Business Logic, Configuration Management
Intermediate · Course · 1 - 4 Weeks

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

LearnKartS
Skills you'll gain: Amazon S3, Amazon Web Services, SQL, Extract, Transform, Load, Data Quality, Cloud Engineering, Data Pipelines, Version Control, Data Modeling, Data Storage, Cloud Storage, Git (Version Control System), Data Management, Query Languages, Data Storage Technologies, Data Processing, Cloud Security, AWS Identity and Access Management (IAM), Data Security, Big Data
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Hardware, SQL, Hardware Architecture, General Networking, Database Design, Database Software, Hardware Troubleshooting, Networking Hardware, Database Theory, Databases, Database Management Systems, Computer Networking, Relational Databases, Network Support, Database Management, Network Protocols, Query Languages, Information Technology, Network Routers, Wireless Networks
Beginner · Course · 1 - 4 Weeks