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 Boulder
Skills you'll gain: Theoretical Computer Science, Algorithms, Graph Theory, Data Structures, Operations Research, Public Key Cryptography Standards (PKCS), Cryptography, Programming Principles, Computational Thinking, Pseudocode, Design Strategies, Computer Science, Tree Maps, Encryption, Linear Algebra, Combinatorics, Data Science, Mathematical Modeling, Advanced Mathematics, Python Programming
Build toward a degree
Advanced · Specialization · 3 - 6 Months

Tecnológico de Monterrey
Skills you'll gain: Responsive Web Design, Hypertext Markup Language (HTML), Content Management Systems, Web Design, User Centered Design, Usability, Cybersecurity, Cyber Attacks, Security Awareness, WordPress, Web Development, Semantic Web, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Redis, NoSQL, Operational Databases, Key Management, Data Persistence, Data Structures, Data Storage, Performance Tuning, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: 3D Assets, 3D Modeling, Unreal Engine, Computer Graphics, Animation and Game Design, Data Import/Export, Graphical Tools, User Interface (UI), Content Management
Beginner · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Peer Review, Journals, Scientific Methods, Research, Research Design, Proofreading, Research Methodologies, Editing, Ethical Standards And Conduct, Data Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Jira (Software), Sprint Retrospectives, Performance Metric, Performance Reporting, Team Performance Management, Business Metrics, Organizational Effectiveness, Performance Improvement, Issue Tracking, Continuous Improvement Process, Cycle Counting, Taking Meeting Minutes, Record Keeping
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Conflict Management, De-escalation Techniques, Teamwork, Mediation, Collaboration, Leadership, Negotiation, Emotional Intelligence, Analysis, Communication, Active Listening, Leadership Development, Problem Solving, Empathy, Non-Verbal Communication, Self-Awareness
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Concision, Slack (Software), Teamwork, Team Building, Internal Communications, Team Oriented, Interpersonal Communications, Team Performance Management, Communication, Communication Strategies, Business Writing, Writing, Project Documentation, Cross-Functional Team Leadership, Project Coordination
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ad Hoc Reporting, Customer Analysis, Management Reporting, Real Time Data, Marketing Analytics, Trend Analysis, Performance Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Node.JS, Software Development, Web Development Tools, Web Servers, Server Side, Development Environment, Front-End Web Development, File Management, File I/O, Web Design and Development, Routing Protocols, Data Storage, Computer Networking, Data Entry
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Gross Profit, Case Studies, Performance Analysis, Data Cleansing, Business Reporting, Business Analysis, Fiscal Management, Time Series Analysis and Forecasting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Apache, Database Systems, NoSQL, Big Data, Database Management Systems, Databases, Shell Script, Data Storage, Data Storage Technologies, Database Design, Software Installation, Data Access, Data Modeling, System Configuration, Command-Line Interface, Scalability
Beginner · Course · 1 - 4 Weeks