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.

Board Infinity
Skills you'll gain: Product Design, Product Management, Interviewing Skills, Case Studies, Oral Expression, Stakeholder Communications, Portfolio Management, Verbal Communication Skills, User Research, Estimation, Product Knowledge, Storytelling, Technical Communication, Communication, Analysis, Complex Problem Solving, Data Analysis, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Dashboard Creation, Dashboard, Data Transformation, Interactive Data Visualization, Data Manipulation, Data Analysis, Statistical Analysis, Query Languages, Data Visualization Software, Statistical Methods, Data Presentation, Ad Hoc Reporting, Continuous Monitoring
★ 4.9 (140) · Intermediate · Course · 1 - 4 Weeks

EDUCBA
★ 4.4 (16) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Trustworthiness, Research, Research Methodologies, Research and Design, Honesty, Personal Integrity, Peer Review, Journals, Intellectual Property, Mentorship
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), User Interface (UI) Design, Journey Mapping, User Interface and User Experience (UI/UX) Design, User Experience, User Experience Design, Experience Design, User Centered Design, Customer Retention, Business Intelligence
Intermediate · Guided Project · Less Than 2 Hours

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Android Jetpack, Mobile Development Tools, Extensible Markup Language (XML), Data Management, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Analytics, Supplier Management, E-Commerce, Web Analytics and SEO, WordPress, No-Code Development, Search Engine Optimization, Supply Chain, Supplier Relationship Management, Order Fulfillment, Blogs, Web Design, Web Development, Content Management Systems, Order Management, Web Design and Development, Shipping and Receiving, Performance Analysis, Web Frameworks, Web Development Tools
Beginner · Course · 1 - 3 Months

Skills you'll gain: Program Management, Communication Planning, Project Documentation, Project Management Software, Process Modeling, Project Management, Diagram Design, Program Development, Agile Methodology, Communication Strategies, Strategic Communication
★ 4.4 (10) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Java Programming, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Bootstrap (Front-End Framework), Responsive Web Design, HTML and CSS, UI Components, Web Design and Development, Front-End Web Development, Cascading Style Sheets (CSS), Web Development, User Interface (UI)
★ 4.5 (16) · Intermediate · Course · 1 - 4 Weeks

INSEAD
Skills you'll gain: Blockchain, Digital Assets, FinTech, Business Transformation, Business Leadership, Governance, Cryptography, Financial Inclusion, Business Analysis, Organizational Structure, Strategic Leadership, Public Key Infrastructure, Emerging Technologies, Plan Execution, Solution Design, Payment Systems, Entrepreneurship, Cryptographic Protocols, Financial Systems, Market Opportunities
★ 4.9 (40) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Journals, Color Theory, Storytelling, Creativity, Layout Design, Visual Storytelling, Creative Thinking, Creative Problem-Solving, Overcoming Obstacles, Resourcefulness, Time Management, Curiosity, Growth Mindedness, Cognitive flexibility, Design Elements And Principles, Resilience, Decisiveness, Open Mindset, Personal Development, Decision Making
Beginner · Specialization · 1 - 3 Months