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.

ISSA (International Sports Sciences Association)
Skills you'll gain: Nutrition Counseling, Nutrition and Diet, Nutrition Care Plans, Nutrition Education, Health And Wellness Coaching, Clinical Nutrition, Coaching, Nutritional Assessment, Motivational Interviewing, Exercise Science, Habit Formation, Behavior Management, Mental and Behavioral Health, Health Education, Psychology, Health Assessment, Athletic Training, Health Care
Beginner · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Adobe After Effects, Animations, Video Production, Post-Production, Motion Graphics, Photo/Video Production and Technology, Videography, Video Editing, Conceptual Design, Ideation, Visual Storytelling, File Management, Cinematography, Timelines, Computer Graphic Techniques, Graphics Software, Control Panels, Color Matching
★ 4.8 (8) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: White-Box Testing, Software Testing, Risk Analysis, Code Coverage, Test Case, Test Tools, Test Planning, Risk Management, Software Quality Assurance
★ 3.4 (8) · Advanced · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Node.JS, Server Side, Web Servers, Back-End Web Development, Package and Software Management, Web Applications, Code Reusability, Javascript, JSON, Web Development, Event-Driven Programming, Development Environment, Application Programming Interface (API), File Systems, Maintainability, Operating Systems, API Testing, Network Routing, File I/O, Object Oriented Design
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Fine-tuning, Model Deployment, MLOps (Machine Learning Operations), AWS SageMaker, Software Documentation, Data Pipelines, AI Integrations, Tensorflow, Solution Architecture, Model Evaluation, Apache Airflow, Model Optimization, Systems Design, Transfer Learning, Unit Testing, PyTorch (Machine Learning Library), API Design, Cloud Computing, Network Architecture, Deep Learning
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Generative Engine Optimization (GEO), Search Engine Optimization, Content Optimization, Generative AI, Content Strategy, AI powered creativity, Semantic Web, Workforce Development, Content Performance Analysis, Digital Marketing, Content Creation, Vocabulary, Digital Content, Social Media
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Programming Principles, Code Reusability, Scripting, File Management, Data Structures, Development Environment, Microsoft Visual Studio, Integrated Development Environments, Computer Programming, Software Installation, Program Development
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Community Outreach, Social Justice, Community Organizing, Diversity Awareness, Advocacy, Social Impact, Diversity Equity and Inclusion Initiatives, Community Development, Cultural Diversity
★ 5 (15) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, SQL, Apache Airflow, Extract, Transform, Load, JSON, Pandas (Python Package), Data Manipulation, Data Warehousing, Database Design, Star Schema, Query Languages, Data Transformation, Performance Tuning, Real Time Data, Big Data, Data Validation, Performance Analysis, Data Quality, Verification And Validation
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Microsoft SQL Servers, SQL, Query Languages, Data Manipulation, Data Transformation, Database Software, Database Management, Pivot Tables And Charts, Relational Databases, Database Design, Data Processing, Databases, Data Presentation, Data Access, Extensible Markup Language (XML), Data Import/Export, Data Management, Data Sharing, Code Reusability
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Social Media, Social Media Strategy, Social Media Marketing, Social Media Management, Social Media Campaigns, Social Media Content, Marketing Communications, Target Audience, Strategic Communication, Media Planning, Brand Marketing, Media Strategy, Communication Planning, Media and Communications, Digital Media Strategy, Brand Strategy, Brand Management, Social Media Analytics, Paid media, Content Creation
★ 4.9 (8) · Intermediate · Specialization · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Business Communication, Entrepreneurship, Social Media Marketing, Search Engine Optimization, Communication Strategies, Social Media, Web Design and Development, Web Analytics and SEO, Marketing, E-Commerce, Project Management, Business Strategy, Business Process, Branding, Brand Strategy
★ 4.1 (9) · Beginner · Course · 1 - 4 Weeks