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.

Coursera
Skills you'll gain: Storyboarding, Storytelling, Canva (Software), Graphical Tools, Animations, Content Creation, Graphic Design, Design and Product, Business, Marketing
Intermediate · Guided Project · Less Than 2 Hours

ISSA (International Sports Sciences Association)
Skills you'll gain: Patient Communication, Medical Support, Patient Education And Counseling, Mental and Behavioral Health, Medical Prescription, Health And Wellness Coaching, Exercise Science, Healthcare Ethics, Collaboration, Athletic Training, Rehabilitation, Medication Therapy Management, Health Care, Nutrition and Diet, Health Assessment, Nutrition Education, Coaching, Health Education, Nutritional Assessment, Human Development
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Unsupervised Learning, Model Deployment, Generative AI, Large Language Modeling, Data Management, Natural Language Processing, MLOps (Machine Learning Operations), Supervised Learning, Microsoft Azure, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Generative Adversarial Networks (GANs), Infrastructure Architecture, LLM Application, Responsible AI, Generative AI Agents, Applied Machine Learning, Azure DevOps, Reinforcement Learning, Data Preprocessing
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Threat Modeling, AI Security, DevSecOps, Security Testing, Continuous Monitoring, CI/CD, Threat Detection, Secure Coding, MITRE ATT&CK Framework, DevOps, System Monitoring, Application Security, Continuous Integration, MLOps (Machine Learning Operations), Scripting, Unit Testing, Test Case, Prompt Engineering, Integration Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Flask (Web Framework), Web Development, Web Applications, Application Development, Object-Relational Mapping, Database Application, Back-End Web Development, Software Development, SQL, Python Programming, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours
Johns Hopkins University
Skills you'll gain: Clinical Data Management, Clinical Trials, Sample Size Determination, Clinical Research Ethics, Clinical Trial Management Systems, Clinical Research, Data Quality, Quality Assurance, Data Entry, Case Report Forms, Institutional Review Board (IRB), Good Clinical Practices (GCP), Data Cleansing, Data Management, Regulatory Compliance, Data Integrity, Statistical Reporting, Informed Consent, Clinical Documentation, Data Collection
Beginner · Specialization · 3 - 6 Months

Multiple educators
Skills you'll gain: Storytelling, Data Storytelling, Business Strategy, Design Thinking, Business Strategies, Sustainable Business, Brand Strategy, Business Solutions, Business Planning, Innovation, Presentations, Market Opportunities, Business Modeling, Business Risk Management, Design and Product, Branding, Strategic Thinking, Process Design, Digital Transformation, Persuasive Communication
Intermediate · Specialization · 3 - 6 Months

AI CERTs
Skills you'll gain: Agentic systems, Responsible AI, Data Pipelines, Law, Regulation, and Compliance, Data Ethics, Model Evaluation, Information Privacy, Data Processing, AI Workflows, Data Analysis, No-Code Development, Analytical Skills, Machine Learning, Artificial Intelligence, Real Time Data, Ethical Standards And Conduct, Machine Learning Algorithms, Data Collection
Intermediate · Course · 1 - 3 Months
Arizona State University
Skills you'll gain: Business Ethics, Sales Presentations, Meeting Facilitation, Graphic Design, English Language, Brainstorming, Negotiation, Purchasing, Verbal Communication Skills, Business Writing, Presentations, Product Planning, Telephone Skills, Business Communication, Advertising, Business Correspondence, Business Planning, Financial Analysis, Communication, Marketing
Intermediate · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Electric Power Systems, Electrical Systems, Safety Standards, Energy and Utilities, Electrical Safety, Environmental Regulations, Power Electronics, Sustainable Technologies, Hydraulics, Basic Electrical Systems, Thermal Management, Equipment Design, Semiconductors, Physics
Beginner · Course · 1 - 3 Months

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

Skills you'll gain: Data Ethics, Generative AI, ChatGPT, OpenAI API, Blogs, Artificial Intelligence, Social Media Management, Copywriting, Social Media Content, Content Creation, Marketing Automation, Social Media Campaigns, Social Media, Digital Content, Email Marketing, Web Development, Digital Publishing, Web Design and Development, Content Marketing, Productivity
Beginner · Course · 1 - 3 Months