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.

L&T EduTech
Skills you'll gain: Hydraulics, Chemical Engineering, Engineering Analysis, Mechanical Engineering, Process Engineering, Engineering Calculations, Mathematical Modeling, Process Analysis, Applied Mathematics, Estimation
★ 4.8 (14) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Warehousing, Data Architecture, Data Infrastructure, Data Storage, Database Administration, Extract, Transform, Load, Database Architecture and Administration, Data Integration, Cloud Storage, Data Mart, Data Storage Technologies, Database Design, Operational Data Store, Database Systems, Query Languages, Data Persistence, Metadata Management
★ 3.8 (69) · Beginner · Course · 1 - 4 Weeks
University of Minnesota
Skills you'll gain: Spreadsheet Software, Analysis, Systems Design, Solution Design, Systems Analysis, Model Evaluation, Machine Learning Algorithms, Algorithms
★ 4.1 (30) · Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Modeling, Oracle SQL Developer, Relational Databases, Database Design, Databases, SQL, Oracle Databases, Query Languages, Software Installation
★ 4.5 (31) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Content Creation, Visual Storytelling, Visual Design, Design, Graphic and Visual Design, Design Elements And Principles, Graphic Design
★ 4.4 (62) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: AI Personalization, Mobile Development, AI powered creativity, Generative AI, Generative Model Architectures, Anthropic Claude, Mobile Development Tools, LLM Application, iOS Development, Personalized Campaigns, Apple iOS, Machine Learning Methods, Application Development, Cloud Applications, Application Design, Cloud Development, AI Integrations
★ 5 (23) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Manufacturing Operations, Production Management, Production Planning, Production Process, Operations Management, Production Schedule, Operations, Inventory Management, Business Operations, Inventory Control, Quality Control, Materials Management, Scheduling, Production Line, Inventory Management System, Operational Efficiency, Lean Manufacturing, Material Requirements Planning, Quality Assurance and Control, Quality Management
★ 5 (21) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Logo Design, Canva (Software), Video Production, Photo/Video Production and Technology, Graphic and Visual Design Software, Graphical Tools, Graphic Design, Graphic and Visual Design, Content Creation, Design, Creative Design, Social Media Marketing
★ 4.8 (20) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: API Testing, Software Documentation, API Design, Application Programming Interface (API), Technical Documentation, Restful API, JSON, Software Design
★ 4.1 (35) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Data Mining, Data Pipelines, Analytical Skills, Data Preprocessing, Ideation, Exploratory Data Analysis, Model Evaluation, Technical Writing, Technical Communication
★ 4.4 (33) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Human Development, Biology, Child Development, Music, Decision Making, Liberal Arts, Life Sciences, Education and Training, Psychology, Performing Arts, Medical Science and Research, Pedagogy, Business Research, Business Economics, Clinical Trials, Instructional and Curriculum Design
★ 4.4 (43) · Beginner · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Health Systems, Managed Care, Health Policy, Health Care Administration, Health Care, Value-Based Care, Regulation and Legal Compliance, Competitive Analysis, Risk Management, Risk Analysis, Economics
★ 4.8 (44) · Intermediate · Course · 1 - 3 Months