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.

Skills you'll gain: Database Design, Database Development, Query Languages, SQL, Database Architecture and Administration, Data Modeling, Database Management
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Collaborative Software, Meeting Facilitation, Virtual Teams, Drive Engagement, Telecommuting, Experience Design, Business Process Management, Virtual Environment
★ 4.1 (20) · Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Data Visualization, Data Visualization Software, Tableau Software, Color Theory, Data Integration, Data Literacy, Data Presentation, Data Import/Export, Design Elements And Principles, Business Analytics, Data Science, Marketing Analytics
★ 4.8 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Presentations, Data Visualization, Corporate Communications, Data Storytelling, Sales Presentation, Data Sharing, Storytelling, Business Communication, Marketing Communications
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Canva (Software), Style Guides, Design Specifications, Graphic and Visual Design Software, Graphic Design, Social Media, Graphic and Visual Design, Social Media Content, Social Media Marketing, Social Media Management, Marketing Design, Graphics Software, Instagram, Digital Design, Image Quality, Facebook, Branding
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Memory Management, Go (Programming Language), Code Reusability, Software Design Patterns, Software Architecture, Object Oriented Programming (OOP), Systems Design, Functional Design, Software Design, System Design and Implementation, Maintainability, Object Oriented Design, System Programming, Data Modeling, Programming Principles, Back-End Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Visual Design, Layout Design, Virtual Environment, Graphical Tools, Graphic and Visual Design Software, Design Elements And Principles, Graphic and Visual Design, Design, Color Matching, Graphic Design, Content Creation, Marketing
★ 4.8 (24) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Surveys, Market Research, Customer Insights, Data-Driven Marketing, Marketing, Customer Analysis, User Research, Research Methodologies, Market Analysis, Data Collection
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Electric Power Systems, Electrical Power, Environmental Regulations, Safety Standards, Sustainable Design, Sustainable Technologies, Energy and Utilities, High Voltage, Sustainable Development, Electrical Safety, Sustainable Engineering, Wireless Networks, Capacity Management, Emerging Technologies
★ 4.7 (13) · Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Environmental Regulations, Reliability, Pump Stations, Plant Operations and Management
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Construction, Mechanical Engineering, Hydraulics, Construction Engineering, Hydrology, Civil Engineering, Structural Engineering, Mechanical Design, Construction Management, Engineering, Scientific, and Technical Instruments, Electric Power Systems, Safety Standards, Water Resource Management, Electrical Equipment, Safety Assurance, Energy and Utilities, Water Resources, Safety Training, Structural Analysis, Electrical Systems
★ 3.6 (8) · Advanced · Specialization · 1 - 3 Months

Microsoft
Intermediate · Course