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: PL/SQL, SQL, Business Logic, Stored Procedure, Database Design, Database Management, Database Development, Relational Databases, Data Integrity, Scalability, Program Development
★ 4.8 (19) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Project Finance, Program Management, Program Development, Project Planning, Project Management Software, Innovation, Finance, Financial Planning, Business Modeling, Diagram Design, Agile Methodology, Strategic Planning
★ 4.3 (12) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Program Management, Agile Project Management, Project Management Life Cycle, Process Flow Diagrams, Diagram Design, Project Closure, Agile Methodology, Benefits Administration, Project Documentation, Solution Design, Change Management
★ 4.7 (22) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Plotly, PyTorch (Machine Learning Library), NumPy, Matplotlib, Object Oriented Programming (OOP), Pandas (Python Package), Plot (Graphics), Data Structures, Unit Testing, Python Programming, File I/O, Data Visualization Software, Algorithms, Interactive Data Visualization, Machine Learning Methods, Test Case, Computational Thinking, Programming Principles, Computer Programming, Code Reusability
Intermediate · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Decision Intelligence, Feasibility Studies, Business Analysis, Decision Making, Strategic Decision-Making, Business Planning, Applied Machine Learning, Data-Driven Decision-Making, Machine Learning, Strategic Thinking, AI Product Strategy, Program Evaluation, Business Leadership, Project Design, Leadership and Management, Strategic Leadership
★ 4.6 (27) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Flutter (Software), Data Persistence, JSON, Data Store, UI Components, User Interface (UI), Operational Databases, User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Database Development, Database Application, Databases, Debugging, Application Development, Data Access, Mobile Development, Cloud API, Application Programming Interface (API), Data Mapping
★ 5 (7) · Intermediate · Course · 1 - 4 Weeks

Dassault Systèmes
Skills you'll gain: SolidWorks (CAD), 3D Modeling, Computer-Aided Design, Assembly Drawing, Drafting and Engineering Design, Mechanical Design, Simulation and Simulation Software, Engineering Design Process, Mechanical Engineering
★ 5 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Javascript, Object Oriented Programming (OOP), Web Development, Scripting, Cascading Style Sheets (CSS), Data Validation, Prototyping, Programming Principles, Computational Logic, Code Reusability, Development Environment
Beginner · Course · 3 - 6 Months

★ 5 (13) · Intermediate · Course · 1 - 4 Weeks

Harvard Business Review
Skills you'll gain: Performance Analysis, Goal Setting, Performance Measurement, Team Performance Management, Goal-Oriented, Smart Goals, Performance Metric, Performance Management, Performance Improvement, Employee Performance Management, Key Performance Indicators (KPIs), Business Priorities, Prioritization, Organizational Strategy
★ 4.9 (8) · Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Conflict Management, Negotiation, De-escalation Techniques, Trustworthiness, Mediation, Collaboration, Follow Through, Interpersonal Communications, Leadership, Empathy, Composure, Cooperation, Emotional Intelligence, Behavior Management, Creative Problem-Solving, Communication Strategies, Problem Solving, Personal Integrity, Communication, Honesty
★ 4.4 (6) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Test Automation, Object Oriented Programming (OOP), CI/CD, Test Script Development, File I/O, Unit Testing, Devops Tools, Continuous Integration, Jupyter, Data Import/Export, Test Tools, DevOps, IT Automation, Application Programming Interface (API), Program Development, Software Testing, Continuous Deployment, Maintainability, Scripting, Python Programming
Intermediate · Specialization · 3 - 6 Months