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 Washington
Skills you'll gain: GitHub, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, Git (Version Control System), HTML and CSS, Web Design and Development, Web Development, Web Development Tools, Web Design, Front-End Web Development, Web Content Accessibility Guidelines, Debugging, Semantic Web, Web Analytics and SEO, Command-Line Interface
★ 4.5 (16) · Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: PHP (Scripting Language), Application Deployment, Object-Relational Mapping, Model View Controller, Database Management, UI Components, PostgreSQL, Full-Stack Web Development, Web Development, Web Frameworks, Web Applications, Authentications, Development Environment, Web Development Tools, Authorization (Computing), Application Frameworks, Code Reusability, GitHub, Cascading Style Sheets (CSS), Data Migration
Intermediate · Course · 3 - 6 Months

Skills you'll gain: MySQL Workbench, MySQL, Database Design, SQL, Database Development, Database Systems, Database Management, Relational Databases, Databases, Data Integration, Data Manipulation, Business Intelligence
★ 4.4 (31) · Beginner · Guided Project · Less Than 2 Hours

California Institute of the Arts
Skills you'll gain: Executive Presence, Oral Expression, Non-Verbal Communication, Verbal Communication Skills, Empathy, Active Listening, Rapport Building, Business Communication, Teamwork, Influencing, Empowerment, Action Oriented, Initiative and Leadership, Goal-Oriented, Adaptability
Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Generative AI Agents, Java, Java Programming, Agentic systems, Agentic Workflows, AI Workflows, Generative AI, LLM Application, Tool Calling, OpenAI API, Application Development, Prompt Engineering, Large Language Modeling, Memory Management
★ 4.2 (25) · Beginner · Course · 1 - 3 Months

Indian Institute of Science
Skills you'll gain: Biomedical Engineering, Medical Devices, Medical Equipment and Technology, Vital Signs, Engineering, Scientific, and Technical Instruments, Materials science, Health Technology, Analytical Testing, Laboratory Testing, Analytical Chemistry, Biochemistry, Diagnostic Tests, Molecular Biology, Sensory Systems Analysis, Electrophysiology, AI Personalization, Electocardiography, Neurology, Electronics, Oncology
★ 4.7 (12) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Kafka, Apache Hadoop, Apache Spark, Real Time Data, Scala Programming, Data Integration, Command-Line Interface, AWS Kinesis, Apache Hive, Big Data, Applied Machine Learning, Data Processing, Systems Design, System Design and Implementation, Apache Cassandra, Data Pipelines, Java, Distributed Computing, Query Languages, IntelliJ IDEA
★ 4.6 (16) · Intermediate · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Management Training And Development, Goal Setting, Organizational Change, Leadership and Management, Business Management, Professional Development, Change Management, Motivational Skills, Business Modeling, Personal Development, Coordinating, Organizational Development, People Management, Organizational Structure, Decision Making, Leadership, Coordination, Employee Engagement
★ 4.7 (105) · Mixed · Course · 1 - 3 Months

Skills you'll gain: SketchUp (3D Modeling Software), 3D Modeling, Visualization (Computer Graphics), 3D Assets, Conceptual Design, AutoCAD, Design Thinking, Animations, Computer Graphic Techniques, Layout Design, Software Visualization, Editing, Graphical Tools, Model Evaluation, Software Installation, Design Software, Model Optimization, Spatial Analysis, User Interface (UI), Data Import/Export
★ 4.9 (26) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Video Game Development, Game Design, Programming Principles, Python Programming, Program Development, Computer Programming, Computational Logic, Computer Science
★ 4.6 (125) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Adobe Firefly, Visual Storytelling, AI powered creativity, Prompt Engineering, Multimodal Prompts, Prompt Engineering Tools, Adobe Illustrator, Adobe Photoshop, Generative AI, Adobe Premiere, Creative Design, Creativity, Scalability
★ 4.5 (14) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: ASP.NET, Restful API, Full-Stack Web Development, Cloud Deployment, Performance Tuning, Frontend Integration, .NET Framework, Data Modeling, Frontend Performance, Development Environment, Software Development Tools, Object-Relational Mapping, Web Development, Software Development, Cloud Infrastructure, Web Applications, UI Components, Code Reusability, Authentications, Application Development
★ 4.6 (12) · Beginner · Course · 1 - 4 Weeks