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.

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

Skills you'll gain: Spatial Data Analysis, Geographic Information Systems, GIS Software, Geospatial Information and Technology, Spatial Analysis, Geospatial Mapping, Data Validation, Metadata Management, Geostatistics, Technical Documentation, Query Languages, SQL, Data Import/Export, Global Positioning Systems, Graphic and Visual Design, Data Quality, PostgreSQL, Data Wrangling, Data Mapping, Python Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft 365, Microsoft Teams, Microsoft Outlook, Calendar Management, Collaborative Software, Productivity Software, Project Management Software, Organizational Skills, Collaboration, Team Management, Scheduling, File Management, Multimedia, Business Communication
Intermediate · Course · 1 - 3 Months

Meta
Skills you'll gain: Jest (JavaScript Testing Framework), React.js, Web Development Tools, JavaScript Frameworks, Application Programming Interface (API), Unit Testing, UI Components, Front-End Web Development, Software Design Patterns, Javascript, Context Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Video Production
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Dashboard, Key Performance Indicators (KPIs), Performance Measurement, Business Intelligence, Tableau Software, Performance Analysis, Performance Review, Gap Analysis, Business Metrics, Data-Driven Decision-Making, Data Presentation, Performance Improvement, Business Analytics, Performance Management, Business Analysis, Data Analysis, Accountability, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Integrated Development Environments, Data Flow Diagrams (DFDs)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Image Analysis, Computer Vision, Model Evaluation, Analysis, Debugging, Failure Mode And Effects Analysis, Exploratory Data Analysis, Root Cause Analysis, Data Visualization, Quality Assurance, Statistical Reporting
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: LangChain, LangGraph, Model Context Protocol, AI Workflows, LLM Application, AI Orchestration, Agentic Workflows, Generative AI Agents, Tool Calling, Model Deployment, Data Transformation, Retrieval-Augmented Generation, Agentic systems, Generative AI, Middleware, Gemini, Scalability, Artificial Intelligence, Prompt Engineering, Responsible AI
Intermediate · Specialization · 3 - 6 Months

Berklee
Skills you'll gain: File Management, Musical Composition, Music Performance, Music, Media Production, Music Theory, Instrumental Music, Performing Arts, Post-Production, Creativity, Digital Signal Processing, Electronic Media, Automation, Editing, Design Software, digital literacy, Peer Review, Patch Management, Software Installation, System Configuration
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Collaboration, Team Building, Project Coordination, Teamwork, Team Management, Workflow Management, Internal Communications, Delegation Skills, Communication Strategies, Resource Allocation
Beginner · Course · 1 - 4 Weeks

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