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 Illinois Urbana-Champaign
Skills you'll gain: Management Accounting, Performance Measurement, Variance Analysis, Budgeting, Accounting, Capital Budgeting, Financial Accounting, Performance Management, Financial Data, Performance Metric, Operating Budget, Cost Management, Organizational Strategy, Key Performance Indicators (KPIs), Financial Analysis, Organizational Structure, Decision Making
★ 4.7 (651) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Request for Proposal, Conflict Management, Presentations, Teamwork, Technical Communication, Storytelling, Persuasive Communication, Communication Strategies, Organizational Strategy, Non-Verbal Communication, Proposal Writing, Business Communication, Interpersonal Communications, Intercultural Competence, Communication, Target Audience, Oral Expression, Leadership Studies, Team Collaboration, Strategic Thinking
★ 4.8 (86) · Intermediate · Specialization · 3 - 6 Months

National Taiwan University
Skills you'll gain: Machine Learning Algorithms, Model Evaluation, Classification Algorithms, Machine Learning Methods, Model Training, Algorithms, Supervised Learning, Logistic Regression, Machine Learning, Applied Machine Learning, Regression Analysis, Feature Engineering, Statistical Methods, Model Optimization, Verification And Validation, Data Transformation
★ 4.9 (331) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Network Security, Intrusion Detection and Prevention, Command-Line Interface, Cryptography, Cyber Security Strategy, Open Web Application Security Project (OWASP), Application Security, Secure Coding, Cybersecurity, IT Security Architecture, Encryption, Information Systems Security, Vulnerability Assessments, Cyber Attacks, Risk Management Framework, Multi-Factor Authentication, Cloud Security, Penetration Testing, Risk Management
★ 4.7 (68) · Intermediate · Specialization · 3 - 6 Months

New York Institute of Finance
Skills you'll gain: Tensorflow, Keras (Neural Network Library), Financial Trading, Data Pipelines, Applied Machine Learning, Machine Learning, Securities Trading, Statistical Machine Learning, Model Training, Market Trend, Data Preprocessing, Deep Learning, Python Programming, Model Evaluation, Correlation Analysis, Artificial Neural Networks, Time Series Analysis and Forecasting
★ 3.9 (379) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Prompt Engineering, Google Gemini, Gemini, Responsible AI, Generative AI, Generative Model Architectures, Generative AI Agents, Google Workspace, AI Workflows, AI Enablement, AI Orchestration, Agentic Workflows, Google Cloud Platform, AI Product Strategy, Prompt Patterns, Productivity Software, Large Language Modeling, Artificial Intelligence, Cloud Computing, Collaboration
★ 4.8 (263) · Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Cascading Style Sheets (CSS), GitHub, HTML and CSS, Version Control, Git (Version Control System), Microsoft Copilot, Web Development, Web Design and Development, Web Content Accessibility Guidelines, Responsive Web Design, Hypertext Markup Language (HTML), Javascript, Web Design, Front-End Web Development, Web Development Tools, JSON, Semantic Web
★ 4.1 (50) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Hypertext Markup Language (HTML), Application Frameworks, Front-End Web Development, Javascript, Software Design Patterns, Java, Web Components, Code Reusability, Web Applications, Full-Stack Web Development, Cascading Style Sheets (CSS), Programming Principles, Web Design, Maintainability, Web Development, UI Components
★ 4.4 (118) · Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Robotics, Machine Controls, Automation Engineering, Programmable Logic Controllers, Control Systems, Automation, Simulation and Simulation Software, Manufacturing Processes, Simulations, Industrial Engineering, Equipment Design, Internet Of Things, Matlab, Electronic Components, Engineering, Scientific, and Technical Instruments, Process Control
★ 4.5 (128) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scalability, Role-Based Access Control (RBAC), ASP.NET, Authentications, Secure Coding, Load Balancing, Microsoft Copilot, Software Architecture, Performance Tuning, Data Security, Back-End Web Development, API Design, .NET Framework, Restful API, C# (Programming Language), Application Security, Application Development, Multi-Factor Authentication, Process Optimization, Debugging
★ 4.5 (97) · Beginner · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Surveys, Survey Creation, Interviewing Skills, Data Collection, Sampling (Statistics), Research Methodologies, Research Design, Data Quality, Social Media Analytics
★ 4.6 (353) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Data Mining, Education Software and Technology, Digital pedagogy, Program Evaluation, Learning Management Systems, Analytics, Data Ethics, AI Personalization, Data Access, Natural Language Processing
★ 4.6 (331) · Beginner · Course · 1 - 4 Weeks