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.

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), UI Components, Interactive Design, HTML and CSS, User Interface (UI), Interaction Design, Responsive Web Design, User Interface (UI) Design, Web Components, Web Design, Animations, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Collaborative Software, Teaching, Education Software and Technology, Interactive Learning, Graphic Design, User Accounts
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsible AI, Data Ethics, Data Governance, Workflow Management, No-Code Development, Financial Data, Accounting and Finance Software, Artificial Intelligence, Financial Management, Generative AI, Automation, Financial Forecasting, Financial Regulation, Finance, Financial Reporting, Data Management, Financial Analysis, Accounting, Strategic Decision-Making, Securities (Finance)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Software Development Methodologies, Development Environment, Software Development, Application Programming Interface (API), Version Control, Software Design Patterns, JSON, Network Engineering, Software Development Tools, Restful API, Virtualization and Virtual Machines, Web Applications, TCP/IP, YAML, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Negotiation, Communication, Conflict Management, Interpersonal Communications, Collaboration, Assertiveness, Proposal Development, Problem Solving, Active Listening, Planning, Cognitive flexibility
Intermediate · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Responsive Web Design, Web Design, HTML and CSS, Web Design and Development, Cascading Style Sheets (CSS), Usability, Web Content Accessibility Guidelines, User Interface and User Experience (UI/UX) Design, User Experience, Javascript, Front-End Web Development, Hypertext Markup Language (HTML), GitHub
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Office, Public Speaking
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Canva (Software), Presentations, Animations, LinkedIn, Marketing Design, Social Media, Instagram, Social Media Marketing, Facebook, Marketing Materials, Marketing Budgets, Graphic Design, Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Interactive Data Visualization, Data Mapping, Network Analysis, Diagram Design, Information Architecture
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Apache Kafka, Spring Boot, Real Time Data, Java, Unit Testing, Restful API, JSON, Integration Testing, Data Transformation, Scalability, Debugging
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Process Mapping, Six Sigma Methodology, Lean Six Sigma, Quality Improvement, Quality Management, Process Analysis, Process Improvement, Data-Driven Decision-Making, Continuous Improvement Process, Operational Excellence, Team Oriented, Statistical Process Controls, Pareto Chart, Statistical Methods, Root Cause Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: IT Security Architecture, Threat Modeling, Enterprise Architecture, Cybersecurity, Application Security, Threat Management, Network Security, Systems Architecture, Identity and Access Management, Solution Architecture, Endpoint Security, Data Security, Risk Analysis, Remote Access Systems, Case Studies, Risk Management
Intermediate · Course · 1 - 3 Months