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 Pittsburgh
Skills you'll gain: Educational Materials, Web Content Accessibility Guidelines, Disabilities, Education and Training, Adaptive Equipment, Instructional Design, Education Software and Technology, Case Studies, Diversity Training, Student Support and Services, Student Services, Diversity Awareness, Higher Education, Diversity Equity and Inclusion Initiatives
★ 4.6 (333) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management, Project Management Life Cycle, Risk Management Framework, Project Management Institute (PMI) Methodology, Stakeholder Management, Project Risk Management, Risk Mitigation, Risk Analysis, Project Management, Stakeholder Engagement, Communication Planning, Systems Development Life Cycle, Project Management Software, Stakeholder Communications, Project Documentation, Communication Strategies, Communication
★ 4.7 (246) · Beginner · Course · 1 - 3 Months

Skills you'll gain: User Story, Business Requirements, Requirements Analysis, Requirements Elicitation, Business Analysis, User Requirements Documents, Gap Analysis, Requirements Management, Business Systems Analysis, Project Documentation, Functional Specification, Diagram Design, Business Process Modeling, Needs Assessment
★ 4.6 (108) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Quality, Data Presentation, Data Management, Technical Communication, Data Analysis, Statistical Methods, Analytical Skills, Data-Driven Decision-Making, Data Science, Statistical Machine Learning, Statistical Inference, Statistics, A/B Testing, Statistical Modeling
★ 4.5 (2.4K) · Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Object-Relational Mapping, Web Development, Context Management, Scripting Languages, Scripting, Middleware, Server Side, Data Storage, Data Sharing, Data Persistence, Event-Driven Programming, Enterprise Application Management, Web Components
★ 4.6 (226) · Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Angular, JavaScript Frameworks, Unit Testing, Ajax, Cloud Applications, Web Applications, Web Components, Application Frameworks, Front-End Web Development, Web Development, Javascript, Code Reusability, Software Architecture, UI Components
★ 4.8 (1.9K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Oral Expression, Communication, Persuasive Communication, Presentations, Verbal Communication Skills, Teamwork, Team Oriented, Team Collaboration, Problem Solving, Public Speaking, Collaboration, Interpersonal Communications, Agile Product Development, Professional Development, Social Skills, Agile Project Management, Professionalism, Critical Thinking and Problem Solving, Complex Problem Solving, Solution Delivery
★ 4.7 (353) · Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Usability Testing, User Interface (UI), Usability, User Research, UI/UX Research, Human Computer Interaction, User Interface (UI) Design, Interaction Design, Test Planning
★ 4.7 (276) · Mixed · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Prioritization, Time Management, Business Priorities, Goal-Oriented, Smart Goals, Goal Setting, Personal Development, Overcoming Obstacles, Delegation Skills, Plan Execution, Professionalism, Mental Concentration, Team Oriented
★ 4.7 (120) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Product Demonstration, Web Content, Video Production, Marketing Materials, Graphic Design, Data Visualization, Content Creation, Shared Media, Video Editing, Web Design, Storytelling, Content Marketing
★ 4.5 (80) · Intermediate · Guided Project · Less Than 2 Hours

Peking University
Skills you'll gain: C# (Programming Language), Data Structures, C++ (Programming Language), Computer Programming, Microsoft Visual Studio, Object Oriented Programming (OOP), Extensible Markup Language (XML), Extensible Languages and XML, Object Oriented Design, .NET Framework, Java, Programming Principles, Data Access, Database Management, User Interface (UI), Algorithms, UI Components, Event-Driven Programming, Computer Graphics, Program Development
★ 4.5 (53) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Security, Data Migration, Data Governance, Extract, Transform, Load, Cloud Storage, Data Architecture, Data Management, Data Integration, Data Storage, Enterprise Architecture, Data Quality, Data Modeling, Incident Response, Security Controls, Information Privacy, Data Infrastructure, Data Storage Technologies, Security Strategy, Database Architecture and Administration, Threat Management
★ 4.4 (92) · Advanced · Specialization · 1 - 3 Months