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.

EDUCBA
Skills you'll gain: MySQL, Database Design, Python Programming, User Interface (UI) Design, UI Components, Database Application, Database Management, Software Design, Application Development, Data Access
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spring Framework, Web Applications, Java Platform Enterprise Edition (J2EE), Java, Authentications, Application Development, Software Design, Database Design, Model View Controller, Databases, Object Oriented Programming (OOP), Hypertext Markup Language (HTML)
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Figma (Design Software), Prototyping, Collaborative Software, Mockups, Design, Graphic Design, UI Components, User Interface (UI) Design, Typography, User Accounts, Application Design, Instructional Design, Image Quality, Systems Design
Beginner · Guided Project · Less Than 2 Hours

Universitat Autònoma de Barcelona
Skills you'll gain: Student-Centred Learning, Entrepreneurship, Train The Trainer, Design Thinking, Digital pedagogy, Problem Solving, Innovation, Creative Thinking, Higher Education, Ideation, Collaboration, Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Telecommuting, Student Engagement, Education Software and Technology, Digital pedagogy, Virtual Environment, Stress Management, Instructional Design, Organizational Skills, Active Listening, Empathy, Communication, Collaboration, Driving engagement, Relationship Building, Emotional Intelligence
Beginner · Course · 1 - 4 Weeks

Harvard Business Review
Skills you'll gain: Team Performance Management, Teamwork, Team Building, Team Management, Virtual Teams, Collaboration, Intercultural Competence, Team Leadership, Conflict Management, Cross-Functional Collaboration, Team Motivation, Productivity, Cultural Diversity, Cultural Sensitivity, Cultural Responsiveness, Meeting Facilitation, Drive Engagement, Safety Culture, Communication Strategies
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Apple iOS, Swift Programming, Apple Xcode, Mobile Development, User Interface (UI), User Interface (UI) Design, Debugging, Data Persistence, Data Management, Programming Principles, Application Programming Interface (API), Data Storage, Authentications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: z/OS, Operating Systems, System Programming, Mainframe Computing, System Monitoring, Performance Tuning, System Configuration, OS Process Management, Data Storage, Systems Architecture, Capacity Management, Problem Management, Disaster Recovery, Computer Architecture, Data Access
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Program Management, Project Design, Program Evaluation, Project Management Life Cycle, Process Flow Diagrams, Project Management, Diagram Design, Project Management Software, Program Development, Agile Methodology
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Case Studies, Collaboration, Professional Networking, Leadership and Management, Professionalism, Teamwork, Team Leadership, Professional Development, Leadership, Business Leadership, Relationship Building, Branding, Personal Attributes, Goal Setting, Mentorship, Adaptability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Mobile Development, Game Design, Video Game Development, User Interface (UI), Unity Engine, Android Development, C# (Programming Language), Animations, Scripting, Debugging
Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Semiconductors, Electronics, Materials science, Product Testing, Electronic Components, Mechanical Engineering, Electrical Engineering, Personal protective equipment
Intermediate · Course · 1 - 4 Weeks