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 Colorado System
Skills you'll gain: Scrum (Software Development), Scaled Agile Framework, Agile Methodology, Systems Engineering, Risk Management, Lean Methodologies, Agile Software Development, Sprint Retrospectives, Agile Project Management, Team Building, Systems Development, Systems Development Life Cycle, Waterfall Methodology, Sprint Planning, Backlogs, Software Development Life Cycle
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Development Environment, Computer Graphics, Graphics Software, Cross Platform Development, Computer Graphic Techniques, Video Game Development, Computer Programming Tools, Program Development, Build Tools, Software Installation, System Configuration
★ 4.7 (15) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Intelligence, Data Warehousing, Dashboard, Dashboard Creation, Databases, Database Design, Data Analysis, Interactive Data Visualization, Data-Driven Decision-Making, Analytics, Data Visualization Software, Data Presentation
Beginner · Course · 1 - 4 Weeks

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), 3D Modeling, Computer-Aided Design, Drafting and Engineering Design, Mechanical Design, Mechanical Engineering
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Blockchain, Interoperability, Network Architecture, Solution Architecture, Enterprise Architecture, Cryptography, Identity and Access Management, Emerging Technologies, Cryptographic Protocols, Quantum computing, Systems Integration, Semantic Web, Information Privacy, Enterprise Security, Technology Strategies, Threat Management, Requirements Analysis, Prototyping
Intermediate · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Sales, Selling Techniques, Sales Strategy, Meeting Facilitation, Sales Prospecting, General Sales Practices, Sales Presentations, Overcoming Objections, Team Oriented, Storytelling, Constructive Feedback, Verbal Communication Skills, Communication, Peer Review
Beginner · Course · 1 - 3 Months

Skills you'll gain: Lean Six Sigma, Six Sigma Methodology, Project Design, Project Documentation, Google Docs, Project Scoping, Milestones (Project Management), Document Management, Project Planning, Google Workspace, Organizational Skills
★ 4.7 (9) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Email Marketing, Advertising Campaigns, Email Automation, Marketing Automation, Web Presence, Target Audience, Campaign Planning, Digital Marketing, Campaign Management, Driving engagement, Search Engine Optimization, Customer Engagement, Direct Marketing, Social Media Marketing, Marketing Strategies, Marketing Strategy and Techniques, Web Analytics and SEO, Drive Engagement, Competitive Analysis, Digital Marketing Campaigns
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: OSI Models, TCP/IP, Network Protocols, Systems Analysis, Linux, Dynamic Host Configuration Protocol (DHCP), Virtual Networking, Network Analysis, Linux Administration, Virtual Machines, General Networking, Networking Hardware, Virtualization and Virtual Machines, Network Support, Virtualization, System Configuration, Network Architecture, Computer Networking, Network Model, Software Installation
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: iOS Development, Apple iOS, Swift Programming, Core Data (Software), Apple Xcode, Mobile Development, User Interface (UI), User Interface (UI) Design, UI Components, Integrated Development Environments, Debugging, Data Persistence, Data Management, Programming Principles, Application Programming Interface (API), Data Storage, Authentications
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Safety Culture, Behavioral Management, Behavior Management, Accident Prevention, Safety Training, Positive Behavior Support, Safety Assurance, Applied Behavior Analysis, Proactivity, Coaching, Trustworthiness, Constructive Feedback, Recognizing Others, Case Studies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Architecture, Code Review, AI Workflows, AI Integrations, Software Design, Python Programming, Version Control, Java Programming
Intermediate · Course · 1 - 3 Months