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.

Coursera
Skills you'll gain: Audit Working Papers, Financial Auditing, Document Management, Auditing, Audit Planning, Accounting Records, Compliance Auditing, Document Control, File Management, Verification And Validation
★ 3.7 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, Agentic Workflows, Generative AI Agents, AI Orchestration, Model Deployment, Automation, No-Code Development, AI Integrations, Prompt Engineering, Process Optimization, System Monitoring, Performance Analysis, Performance Management
★ 4.9 (7) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Data Governance, Databricks, Data Management, Metadata Management, Data Quality, Data Security
★ 2.8 (34) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Instagram, Storytelling, Content Creation, Social Media Content, Photo/Video Production and Technology, Video Editing, Copywriting, Video Production, Photo Editing, Visual Storytelling, Photography, Media Production, Social Media, Graphic and Visual Design, Writing, Design Elements And Principles
Beginner · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Engineering Management, Engineering Design Process, Computer-Aided Design, Building Information Modeling, Construction Estimating, Engineering Practices, Construction Management, Change Control, Innovation, Estimation, Construction, Simulation and Simulation Software, 3D Modeling
★ 4.8 (6) · Mixed · Course · 1 - 3 Months

Packt
Skills you'll gain: Cryptographic Protocols, Application Design, Exploitation techniques, Event Monitoring, Intrusion Detection and Prevention, Server Side, Continuous Monitoring, Computer Security Incident Management, System Monitoring, System Configuration
Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Medical Devices, Semiconductors, Medical Equipment and Technology, Biomedical Engineering, Electronics, Mechanical Design, Manufacturing Processes, Design Specifications, Microarchitecture, Mechanical Engineering, Materials science, Hardware Architecture, Mathematical Modeling
★ 4.9 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Relational Databases, Database Design, Transact-SQL, Data Visualization, Microsoft SQL Servers, Power BI, Database Management, Database Development, Data Presentation, Data Visualization Software, Data Wrangling, SQL, Data Preprocessing, Data Management, Data Integrity, Data Modeling, Data Access, Query Languages, Data Manipulation, Data Transformation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: GitHub Copilot, Prompt Engineering, AI Integrations, Generative AI, ChatGPT, AI literacy, AI Workflows, Application Development, Code Review, Debugging
Intermediate · Course · 1 - 3 Months

Peking University
Skills you'll gain: Surveys, Survey Creation, Interviewing Skills, Statistical Analysis, Research Methodologies, Research, Science and Research, Data Cleansing, Data Collection, Research Design, Scientific Methods, Social Sciences, Case Studies, Qualitative Research, Research Reports, Report Writing
★ 4.9 (25) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Photo Editing, Canva (Software), Graphical Tools, Creative Design, Content Creation, Editing, User Accounts
★ 4.6 (7) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Database Development, Data Sharing, Database Architecture and Administration, Microsoft SQL Servers, Data Integration, Data Entry, Report Writing, IT Automation, User Interface (UI) Design
Intermediate · Course · 3 - 6 Months