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: Brand Awareness, Brand Management, Branding, Brand Strategy, Brand Loyalty, Data Presentation, Marketing Effectiveness, Marketing Management, Data-Driven Decision-Making, Marketing, Visual Design, Customer Insights, Presentations, Data Analysis, Asset Management, Business Metrics, Digital Assets, Health Equity, Health Promotion, Strategic Decision-Making
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: C (Programming Language), C++ (Programming Language), Object Oriented Programming (OOP), Data Structures, Programming Principles, Algorithms, Computer Programming, Software Design, Application Security, Other Programming Languages, Python Programming, Java Programming, System Programming, Computer Architecture, Performance Tuning, Unix, Computer Science, Debugging
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: PyTorch (Machine Learning Library), Deep Learning, Performance Analysis, Artificial Neural Networks, Resource Utilization
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Responsible AI, Predictive Modeling, Data Analysis, Research, AI Product Strategy, Statistical Analysis, Data Preprocessing, Data Science, Research Methodologies, AI Enablement, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Generative AI Agents, Generative AI, Research and Design, Research Reports, Ethical Standards And Conduct, Qualitative Research, Emerging Technologies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: JUnit, Java Programming, Unit Testing, Java, Software Testing, Quality Assurance, Test Case, Software Development, Application Development, Data Validation, Object Oriented Programming (OOP), Debugging, User Interface (UI), Command-Line Interface, Data Modeling, Requirements Analysis
Mixed · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Responsible AI, Model Evaluation, GitHub, Application Programming Interface (API), AI Enablement, Generative AI, Development Environment, API Design, LLM Application, Cloud Development, Microsoft Azure, Scalability, Authentications, Data Validation
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Prompt Engineering, Blogs, Google Gemini, Email Automation, Email Marketing, Web Analytics and SEO, Social Media Content, Social Media Marketing, Google Ads, Copywriting, Search Engine Optimization, Digital Marketing, ChatGPT, Digital Advertising, Content Marketing, Content Creation, Keyword Research, Lead Generation, Artificial Intelligence, Brand Strategy
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Tool Calling, Code Review, Maintainability, AI Workflows, Generative AI, Software Documentation, JSON, Persona Development, Git (Version Control System), Debugging, Development Testing, Data Management
Advanced · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Stored Procedure, NoSQL, Database Design, Database Architecture and Administration, SQL, Relational Databases, Cloud Applications, PostgreSQL, Database Management Systems, Data Store, Databases, Database Theory, Data Modeling, JSON, Database Management, Query Languages, Cloud Deployment, Text Mining, Database Systems, Natural Language Processing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Relational Databases, Database Design, Databases, PostgreSQL, SQL, Database Management, Query Languages, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apple iOS, Open Web Application Security Project (OWASP), Swift Programming, Mobile Security, Mobile Development, Secure Coding, IT Security Architecture, Application Security, Data Validation, Vulnerability Assessments, Cryptography, Application Programming Interface (API), JSON
Intermediate · Course · 1 - 4 Weeks

University of California, Santa Barbara
Skills you'll gain: Governance, Organizational Structure, Legal Risk, Tax, Corporate Strategy, Business, Business Ethics, Business Risk Management, Strategic Partnership, Corporate Tax, Commercial Laws, Business Administration, Financial Analysis, Corporate Finance, Case Studies, Regulation and Legal Compliance, Risk Analysis, Partnership Accounting, Decision Making, Contract Management
Beginner · Course · 1 - 4 Weeks