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 Virginia
Skills you'll gain: Financial Statements, Financial Accounting, Balance Sheet, Financial Reporting, Financial Statement Analysis, Design Thinking, Accounting, Annual Reports, Innovation, Process Design, Business Modeling, Entrepreneurship, Philanthropy, Leadership Development, Strategic Leadership, Corporate Sustainability, Professional Development, Business Ethics, Finance, HR Tech
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Machine Learning Methods, Motion Graphics
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Organizational Change, Project Closure, Revenue Recognition, Agile Methodology, Waterfall Methodology, Organizational Structure, Organizational Leadership, Accrual Accounting, Project Planning, Organizational Strategy, Project Management Life Cycle, Business Ethics, Change Management, Cash Flows, Sprint Retrospectives, Accounting, Project Implementation, Financial Statements, Financial Accounting, Project Management
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Augmented Reality, Augmented and Virtual Reality (AR/VR), User Experience Design, Experience Design, Usability, Virtual Environment, Interaction Design, User Interface (UI) Design, User Research
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI) Design
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Database Design, Relational Databases, Data Modeling, Database Management Systems, Database Management, Oracle Databases, SQL, Data Integrity, PostgreSQL, Conceptual Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Spark, PySpark, Performance Tuning, Data Pipelines, Data Processing, Systems Analysis
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Project, Management Reporting, Project Management Software, Timelines, Project Schedules, Microsoft 365, Project Controls, Project Implementation, Project Management, Project Coordination, Project Scoping, Project Design, Project Portfolio Management, Project Planning, Resource Allocation, Resource Management, Microsoft Office, Project Estimation, Productivity Software, User Interface (UI)
Mixed · Course · 1 - 3 Months
Skills you'll gain: Model Evaluation, Decision Tree Learning, Data Preprocessing, Classification Algorithms, Applied Machine Learning, Java, Predictive Modeling, Machine Learning Software, Supervised Learning, Technical Communication, Feature Engineering, Tree Maps, MLOps (Machine Learning Operations), Machine Learning Algorithms, Machine Learning, Algorithms
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: SketchUp (3D Modeling Software), 3D Modeling, Visualization (Computer Graphics), Model Evaluation, Design Software, Software Installation, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: WordPress, Secure Coding, Data Store, Data Management, Content Management Systems, Data Security, Data Persistence, Database Development, Content Management, PHP (Scripting Language), Back-End Web Development, Maintainability, Program Development, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft SQL Servers, SQL, Relational Databases, Database Management, Database Design, Transact-SQL, Database Systems, Server Administration, Query Languages, Databases, Database Administration, Database Architecture and Administration, Data-Driven Decision-Making, Data Integrity, Database Management Systems, Servers, Data Manipulation, Data Processing, Scripting Languages, System Requirements
Beginner · Specialization · 3 - 6 Months