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 Michigan
Skills you'll gain: Constructive Feedback, Peer Review, Independent Thinking, Empathy, Rapport Building, Teamwork, Collaboration, Relationship Building, Diversity and Inclusion, Concision, Emotional Intelligence, Diversity Awareness, Communication, Social Network Analysis
★ 4.8 (6) · Beginner · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Empowerment, Responsible AI, Data Ethics, Community Organizing, Community Development, Advocacy, Social Justice, Social Work, Creativity, Public Policies, Qualitative Research, Diversity Equity and Inclusion Initiatives, Innovation, Education and Training, Collaboration, Student Engagement, Adult Education, Case Studies, Training Programs, Student Support and Services
★ 4.6 (7) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Encryption, Cybersecurity, Cryptography, File I/O, Python Programming, Programming Principles, Debugging, Data Mapping, Software Testing, Data Structures
★ 4.8 (13) · Mixed · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Cloud Security, Identity and Access Management, AWS Identity and Access Management (IAM), Incident Response, Cloud Computing, Cloud Applications, Computer Security Incident Management, Cloud Standards, Cloud Platforms, IT Security Architecture, Data Security, Application Security, Network Security, Encryption, Cloud Deployment, Incident Management, Role-Based Access Control (RBAC), Amazon Web Services, Security Management, Authorization (Computing)
Beginner · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI), Bootstrap (Front-End Framework), Blockchain, User Interface (UI) Design, JavaScript Frameworks, Front-End Web Development, Debugging, Frontend Integration, Full-Stack Web Development, Animations, Web Applications, Javascript, Test Script Development
Advanced · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Generative AI, Generative AI Agents, Generative Model Architectures, Prompt Patterns, Prompt Engineering, AI literacy, LLM Application, Retrieval-Augmented Generation, Large Language Modeling, Tool Calling, AI powered creativity, AI Enablement, Responsible AI, AI Workflows, Model Evaluation, Context Engineering, Model Training, Agentic systems, Fine-tuning, Systems Architecture
★ 4.1 (13) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: AWS Kinesis, Amazon DynamoDB, Amazon S3, Amazon Web Services, Data Pipelines, AWS SageMaker, Real Time Data, Amazon CloudWatch, AWS Identity and Access Management (IAM), Data Visualization, Cloud Storage, Data Presentation, Apache Spark, Dashboard, Apache Hive, Interactive Data Visualization, Apache Hadoop, Data Visualization Software, Database Development, Data Processing
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Education Software and Technology, Teaching, Digital pedagogy, Graphic Design, Creativity
★ 4.5 (8) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Sales Presentation, B2B Sales, Overcoming Objections, Sales Presentations, Dashboard, Dashboard Creation, Root Cause Analysis, Rapport Building, User Feedback, Strategic Partnership, Empathy & Emotional Intelligence, Selling Techniques, Sales Process, Sales Development, Customer Relationship Management (CRM) Software, Oral Comprehension, Composure, Emotional Intelligence, Responsible AI, Negotiation
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Virtual Networking, Cloud Infrastructure, Data Import/Export, Network Architecture, Identity and Access Management, Generative AI, Network Planning And Design, AI Workflows, Network Performance Management, Network Protocols, Network Infrastructure, Performance Tuning, Computer Networking, Multi-Cloud, System Configuration, Distributed Computing, Scalability
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Deepseek, DeepSeek API, Hugging Face, Large Language Modeling, LLM Application, AI Personalization, ChatGPT, Deep Learning, Open Source Technology, AI literacy, Model Deployment, AI Integrations, Applied Machine Learning, Application Programming Interface (API), Business Process Automation
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Blockchain, Business Analysis, Emerging Technologies, Plan Execution, Solution Design, Entrepreneurship, Market Opportunities, Case Studies, Market Analysis, Competitive Analysis, Solution Delivery, Business Modeling, Project Closure, Proposal Development, Ideation, Value Propositions, Market Research, Decision Making, Target Audience, Presentations
Intermediate · Course · 1 - 3 Months