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: Teradata SQL, SQL, Stored Procedure, Transaction Processing, Query Languages, Performance Tuning, Database Management, Data Manipulation, Data Architecture, Data Security, Extract, Transform, Load, Database Architecture and Administration, Security Controls, Security Management, Data Storage, Data Transformation, Relational Databases, Solution Design, Database Management Systems, Data Import/Export
Intermediate · Specialization · 1 - 3 Months

EDUCBA
Skills you'll gain: User Interface and User Experience (UI/UX) Design, Layout Design, Interactive Design, Web Frameworks, Web Development
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Tensorflow, Computer Vision, Convolutional Neural Networks, Image Analysis, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Model Training, Artificial Neural Networks, Applied Machine Learning, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Development Methodologies, Project Estimation, Database Development, Database Design, Scheduling, Oracle Databases, Stakeholder Engagement, Oracle SQL Developer, Scope Management, Relational Databases, Team Management, Cost Estimation, Database Application, SQL, Agile Project Management, Estimation, Project Planning, Software Engineering, Risk Management, Functional Requirement
Beginner · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Debugging, Program Development, Programming Principles, Computational Thinking, Computational Logic, Diversity Equity and Inclusion Initiatives, Digital pedagogy, Computer Programming, Event-Driven Programming, Computer Science
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Cascading Style Sheets (CSS), Front-End Web Development, HTML and CSS, Web Design and Development, Hypertext Markup Language (HTML)
Intermediate · Guided Project · Less Than 2 Hours

Universidad Autónoma Metropolitana
Skills you'll gain: Computational Thinking, Lifelong Learning, Creative Thinking, Self-Starter, Programming Principles, Program Development, Computer Programming, Critical Thinking, Critical Thinking and Problem Solving, Creativity, Willingness To Learn, Debugging, Creative Problem-Solving, Open Source Technology, Event-Driven Programming, Independent Thinking, Problem Solving, digital literacy, Computer Programming Tools, Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Strategies, Business Strategy, Process Optimization, Program Implementation, Operational Analysis, Strategic Thinking, Performance Metric, Contingency Planning, Business Process Reengineering, Business Planning, Process Improvement, Organizational Strategy, Strategic Decision-Making, Performance Improvement, Operational Performance Management, Process Management, Competitive Analysis, Business Systems, Data Strategy, Business
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Web Presence, Content Management Systems, Web Content, Web Development Tools, Web Design, Content Management, Web Design and Development, No-Code Development, Web Development, User Accounts, Graphic Design
Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Risk Analysis, Enterprise Risk Management (ERM), Incident Management, Incident Response, Security Controls, Cyber Risk, Risk Mitigation, Threat Management, Asset Management, Business Continuity, Security Strategy, Governance, IT Management, Risk Control, Disaster Recovery, Information Management, Security Awareness, Vendor Management, Program Evaluation, Continuous Improvement Process
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, UI Components, Hypertext Markup Language (HTML), Typography, Web Design, Maintainability, Debugging, Web Design and Development, Interactive Design, Semantic Web, Color Theory
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), Artificial Intelligence, Agentic systems, Algorithms, Game Design, Video Game Development, Program Development
Intermediate · Guided Project · Less Than 2 Hours