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: Education Software and Technology, Mathematics Education, Digital pedagogy, Design Reviews, Simulations, Simulation and Simulation Software, User Feedback
★ 4.9 (90) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Spring Framework, Model View Controller, Java Platform Enterprise Edition (J2EE), Application Performance Management, Software Design Patterns, Java Programming, Java, Enterprise Architecture, Enterprise Application Management, Software Design, System Monitoring, Security Controls, Software Architecture, Application Security, Maintainability, Application Frameworks, Secure Coding, OS Process Management, Memory Management, Data Sharing
★ 3.9 (14) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Canva (Software), Marketing Design, Social Media Marketing, Social Media Content, Content Creation, Graphic and Visual Design Software, Social Media, Marketing Materials, Color Matching, Graphic Design, Graphical Tools, Design, User Accounts
★ 4.4 (67) · Beginner · Guided Project · Less Than 2 Hours

Universidad Nacional de Colombia
Skills you'll gain: Programming Principles, Debugging, Computational Thinking, Computer Programming, Arithmetic, Algorithms, Code Reusability, Program Development, Computational Logic, Python Programming, Functional Design, Mathematical Software
★ 4.8 (34) · Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Civil Engineering, Construction Engineering, Land Development, Building Information Modeling, Construction, Construction Management, Capacity Management, Construction Inspection, Aerospace Basic Quality System Standards, Capacity Planning, Building Design, Building Services Engineering, Facility Management, Facility Repair And Maintenance, Landscape Architecture, Construction Estimating, Engineering Plans And Specifications, Architectural Design, Civil and Architectural Engineering, Environmental Engineering
★ 4.8 (15) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Restful API, CI/CD, Model View Controller, ASP.NET, Cloud Infrastructure, Continuous Deployment, Load Balancing, OAuth, Continuous Integration, Continuous Delivery, Cloud Computing, Cloud Applications, Cloud Deployment, Application Deployment, Cloud Platforms, API Design, Web Applications, Web Development, .NET Framework, Microservices
★ 4.9 (165) · Intermediate · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Data Visualization Software, Statistical Visualization, Data Presentation, Plot (Graphics), Data Storytelling, Tableau Software, Exploratory Data Analysis, Descriptive Statistics, Data Analysis, Descriptive Analytics, Histogram
★ 3.9 (20) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: AutoCAD, Computer-Aided Design, Layout Design, Electrical Systems, Safety Standards, Electrical Safety, Drafting and Engineering Design, Electrical Equipment, Requirements Analysis, Engineering Calculations
★ 5 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Transformation, JSON, Data Preprocessing, Data Structures
★ 4.8 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Apache Maven, Model View Controller, Unit Testing, Frontend Integration, Spring Boot, Restful API, Data Persistence, Web Services, Software Testing, Java Programming, Object-Relational Mapping, Java, Back-End Web Development, Secure Coding, Authentications, Data Modeling, Business Logic
★ 4.7 (27) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Instagram, Keyword Research, LinkedIn, Web Analytics and SEO, Blogs, Lead Generation, Events and Conferences, Copywriting, Google Analytics, Content Optimization, Professional Networking, No-Code Development, Video Production, Vibe coding, Sales Presentations, Social Media Content, Promotional Materials, Social Media Marketing, Growth Strategies, Search Engine Optimization
Beginner · Specialization · 3 - 6 Months

Advancing Women in Tech
Skills you'll gain: Amazon Web Services, Cloud Computing, Cloud Services, Amazon S3, Cloud Platforms, Amazon Elastic Compute Cloud, Public Cloud, Cloud Computing Architecture, AWS Identity and Access Management (IAM), Technical Product Management, AWS CloudFormation, Amazon Redshift, Cloud Security, Software Architecture, Cloud Storage, Network Security, Amazon DynamoDB, Product Management, Data Storage, Identity and Access Management
★ 4.5 (92) · Beginner · Specialization · 1 - 3 Months