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 Maryland, College Park
Skills you'll gain: Innovation, New Product Development, Design Thinking, Agile Product Development, Product Development, Product Improvement, Product Management, Product Lining, Business Modeling, Product Strategy, Performance Metric, Customer experience strategy (CX), Product Marketing, Key Performance Indicators (KPIs), Product Planning, Value Propositions, Performance Measurement, Portfolio Management, Customer Insights, Customer experience improvement
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Patient Education and Support, Patient Education And Counseling, Patient Treatment, Communication Strategies, Communication, Instructional Design, Empathy
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Model View Controller, Spring Framework, Java, Application Frameworks, Web Applications, Context Management, Software Architecture, Application Development, Data Validation, Data Mapping
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Brainstorming, Prioritization, Productivity, Goal Setting, Goal-Oriented, Mindfulness, Stress Management, Creativity, Mental Concentration, Growth Mindedness, Time Management, Organizational Skills, Creative Thinking, Follow Through, Planning, Personal Development, Open Mindset, Habit Formation, Overcoming Obstacles, Self-Discipline
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cinematography, Videography, Photography, Video Production, Photo/Video Production and Technology, Video Editing, Post-Production, Peer Review, Visual Storytelling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Presentations, Photo Editing, Social Media Content, Graphic and Visual Design Software, Graphic Design, Photo/Video Production and Technology, Creative Design, Content Creation, Visual Storytelling, Marketing Collateral, Design, Visual Design, Graphic and Visual Design, Video Editing, Brochures, Collaborative Software, Design Elements And Principles, Branding, Marketing Materials
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Information Management, Security Controls, Configuration Management, Threat Management, Secure Coding, Vulnerability Assessments, System Configuration, Asset Management, Cloud Security, Patch Management, Cloud Management, Software Development Life Cycle, Asset Protection, Cloud Computing, Change Control, Encryption
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Word, Proofreading, Document Management, Microsoft 365, Productivity Software, Microsoft Windows, Writing and Editing, Editing, Productivity, Writing, Technical Documentation, Collaborative Software, Report Writing, Web Content, Business Writing, Grammar, Data Visualization, Web Content Accessibility Guidelines, Collaboration, Business Communication
Mixed · Course · 1 - 3 Months

Skills you'll gain: Storytelling, Content Development and Management, Content Strategy, AI powered creativity, ChatGPT, Prompt Engineering, Content Creation, Content Marketing, Driving engagement, Social Media Content, Target Audience, Persona Development, AI literacy, User Research, Problem Solving, Brainstorming, Ideation
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: GIS Software, Spatial Data Analysis, Geographic Information Systems, Geospatial Information and Technology, Geospatial Mapping, Data Import/Export, Visual Design, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Product Management, A/B Testing, Analytics, Value Propositions, User Experience, Data Analysis, Product Improvement, Customer Analysis, Conversion Funnel Analysis, User Research, Customer experience improvement, Performance Metric, Customer Insights, Driving engagement, Data-Driven Decision-Making, Customer Retention, Customer Engagement, Drive Engagement
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, CrewAI, Prompt Engineering, AI Orchestration, Context Engineering, Agentic Workflows, Model Context Protocol, Generative AI Agents, LLM Application, Tool Calling, Agentic systems, Role-Based Access Control (RBAC), AI Security, Artificial Intelligence and Machine Learning (AI/ML), AI Enablement, Large Language Modeling, Retrieval-Augmented Generation, Generative AI, Artificial Intelligence, Prompt Patterns
Intermediate · Specialization · 1 - 3 Months