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.

Board Infinity
Skills you'll gain: Node.JS, Full-Stack Web Development, User Interface (UI), Application Deployment, MongoDB, Angular, Back-End Web Development, Front-End Web Development, User Interface (UI) Design, Web Design, Web Applications, JavaScript Frameworks, Restful API, Secure Coding, Authentications, Authorization (Computing), Scalability
★ 4.2 (19) · Intermediate · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Data Storytelling, Dashboard, Power BI, Data Visualization, Interactive Data Visualization, Data Analysis, Data Modeling, Data Visualization Software, Data Analysis Expressions (DAX), Star Schema, Data Cleansing, Data Transformation, Data Import/Export, Data Security
★ 4.6 (58) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ASP.NET, .NET Framework, Model View Controller, Web Applications, Middleware, Debugging, Application Deployment, Application Development, Development Environment, Software Testing, Microsoft Development Tools, Cross Platform Development, Software Architecture, Network Routing, Open Source Technology, Command-Line Interface
★ 4 (79) · Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Object Oriented Programming (OOP), Programming Principles, Computer Programming, Python Programming, Scripting, Scripting Languages, Software Development
Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Data Quality, Data Cleansing, Computer Vision, Visualization (Computer Graphics), Data Preprocessing, Deep Learning, Image Analysis, Convolutional Neural Networks, Model Evaluation, Data Manipulation, Applied Machine Learning, Data Analysis
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Generative AI Agents, Java, Agentic systems, Generative AI, LLM Application, OpenAI API, Application Development, Prompt Engineering, Large Language Modeling, Debugging
★ 4.2 (25) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Unity Engine, UI Components, Scripting, User Interface (UI), Torque (Physics), Responsive Web Design, User Interface (UI) Design, Object Oriented Programming (OOP), C# (Programming Language), Game Design, Animation and Game Design, Animations, Interactive Design, Usability, Video Game Development, Mechanics, Simulations, Mathematical Modeling, Physics, Debugging
★ 5 (11) · Beginner · Specialization · 1 - 3 Months

Starweaver
Skills you'll gain: Team Management, Team Leadership, Team Performance Management, Team Building, Teamwork, Team Motivation, People Management, Leadership and Management, Conflict Management, Leadership, Collaboration, Diversity and Inclusion, Talent Management, Talent Recruitment, Employee Engagement, Performance Appraisal, Communication Strategies, Communication
★ 4.7 (71) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Workday (Software), Payroll Processing, Payroll, Payroll Systems, Payroll Administration, Benefits Administration, Human Resources Software, Business Reporting, Workforce Management, Business Process, Compensation and Benefits, Organizational Structure, Data Maintenance, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Scientific Methods, Research, General Science and Research, Critical Thinking, Probability, Research Design, Bayesian Statistics, Probability & Statistics, Research Methodologies, Experimentation, Investigation, Statistical Methods
★ 4.9 (42) · Beginner · Course · 1 - 3 Months
Kennesaw State University
Skills you'll gain: Customer Retention, Customer Insights, Customer experience strategy (CX), Customer Relationship Management, Value Propositions, Innovation, Organizational Change, Cost Accounting, Organizational Structure, Business Transformation, Strategic Marketing, Consumer Behaviour
★ 4.7 (53) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Role-Based Access Control (RBAC), Azure Synapse Analytics, Azure Active Directory, Real Time Data, Zero Trust Network Access, Serverless Computing, Cloud Solutions, Identity and Access Management, Data Integration, Cloud Management, Cloud Applications, Virtual Machines, Cloud Computing Architecture, Data Governance, Cloud Storage, Cloud Computing, Solution Architecture, Disaster Recovery, Virtual Networking
Intermediate · Specialization · 1 - 3 Months