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: Software Testing, Software Technical Review, Code Review, Software Quality Assurance, Verification And Validation, Quality Assurance, Human Factors
★ 4.2 (65) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Web Scraping, Git (Version Control System), Test Script Development, Scripting, Version Control, Test Automation, IT Automation, Email Automation, Test Tools, Software Testing, Cloud API, Scripting Languages, Automation, Restful API, Application Programming Interface (API), Data Ethics, Scalability, Python Programming, File I/O, Productivity
★ 3.8 (49) · Beginner · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Descriptive Statistics, Data Literacy, Graphing, Statistical Visualization, Statistical Hypothesis Testing, Probability & Statistics, Statistical Inference, Quantitative Research, Statistics, Statistical Analysis, Statistical Methods, Descriptive Analytics, Sample Size Determination, Data Analysis, Sampling (Statistics), Exploratory Data Analysis, Science and Research, Psychology, Bayesian Statistics, Research Design
★ 4.6 (67) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, Application Security, Java, Java Programming, Application Frameworks, Model View Controller, Security Controls, Development Environment, Web Applications, Application Programming Interface (API), Apache Maven, Authorization (Computing), Authentications, Configuration Management
★ 4.4 (38) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: ASP.NET, Restful API, Full-Stack Web Development, Cloud Deployment, Performance Tuning, Frontend Integration, .NET Framework, Data Modeling, Frontend Performance, Development Environment, Software Development Tools, Object-Relational Mapping, Web Development, Software Development, Cloud Infrastructure, Web Applications, UI Components, Code Reusability, Authentications, Application Development
★ 4.6 (12) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Organizational Development, Culture Transformation, Talent Recruitment, Human Resource Management, Management Training And Development, Human Capital, Intercultural Competence, Human Resources Software, Organizational Leadership, People Development, Professionalism, Human Resources Information System (HRIS), Workforce Development, Organizational Change, Staff Management, Employee Engagement
★ 3.7 (90) · Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Organizational Strategy, Governance, Corporate Strategy, Organizational Structure, Business Strategies, Competitive Analysis, Business Management, Business Planning, Business Strategy, Business Ethics, Corporate Sustainability, New Business Development, Environmental Social And Corporate Governance (ESG), Business, Strategic Thinking, Entrepreneurship, Market Analysis, Strategic Decision-Making, Analysis, Stakeholder Analysis
★ 4.8 (550) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Figma (Design Software), Responsive Web Design, UI Components, Layout Design, UI/UX Strategy, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Design Strategies, Web Design, Scalability, Prototyping, File Management
★ 4.6 (21) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Sensory Systems Analysis, Marketing Psychology, Influencing, Case Studies, Persuasive Communication, Advertising, Marketing Communications, Consumer Behaviour, Decision Making, Marketing Effectiveness, Neurology, Behavioral Economics, Marketing, Psychology, Anatomy
★ 4.4 (43) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Sustainability Reporting, Organizational Change, Business Reporting, Sustainable Design, Stakeholder Analysis, Environmental Social And Corporate Governance (ESG), Sustainable Business, Annual Reports, Sustainability Standards, Corporate Sustainability, Performance Reporting, Leadership and Management, Key Performance Indicators (KPIs), Sustainable Development, Change Management, Organizational Development, Stakeholder Management, Stakeholder Engagement, Environmental Issue, Leadership
★ 4.8 (107) · Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Collaboration, Team Collaboration, Leadership, Presentations, Creativity, Ideation, Creative Problem-Solving, Teamwork, Innovation, Team Building, Creative Thinking, People Management, Persuasive Communication, Influencing, Storytelling, Communication, Social Skills, Critical Thinking, Decision Making
★ 4.8 (413) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PyTorch (Machine Learning Library), Model Training, Convolutional Neural Networks, Transfer Learning, Image Analysis, Predictive Modeling, Deep Learning, Radiology, Medical Imaging, Computer Vision, Machine Learning, Data Preprocessing, Data Transformation
★ 4.5 (340) · Intermediate · Guided Project · Less Than 2 Hours