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: Scaled Agile Framework, Agile Product Development, Sprint Planning, Agile Methodology, Cross-Functional Collaboration, Dependency Analysis, Coordinating, Strategic Leadership, Product Management, Collaboration, Leadership, Performance Measurement, Team Performance Management, Coordination, Release Management, Prioritization, Innovation, Estimation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Brand Strategy, Presentations, Branding, Design Thinking, Style Guides, Marketing Strategies, Graphic and Visual Design, Adobe Illustrator, Adobe Photoshop, Target Audience, Color Theory, Competitive Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Java Programming, Test Automation, JUnit, Object Oriented Programming (OOP), Integration Testing, Browser Compatibility
Intermediate · Course · 3 - 6 Months

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Data Sharing, Interoperability, Information Architecture, Technical Documentation, Data Management, Data Validation, Document Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Query Languages, Databases
Beginner · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Relational Databases, Databases, Application Development, SQL, Object Oriented Programming (OOP), Data Structures, File I/O, Software Development, Command-Line Interface, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

NIIT
Skills you'll gain: React.js, Front-End Web Development, Systems Development Life Cycle, Application Development, User Interface and User Experience (UI/UX) Design, UI Components, User Flows, Unit Testing, Data Validation, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Product Testing, Laboratory Testing, Structural Engineering, Construction Inspection, Process Validation, Construction Engineering, Construction, Civil Engineering, Engineering Analysis, Simulation and Simulation Software, Safety Standards
Advanced · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Design Thinking, Sustainable Development, Sustainable Business, Entrepreneurship, Environmental Social And Corporate Governance (ESG), Product Development, Business Modeling, Innovation, Investment Banking, Ideation, Stakeholder Management, Customer Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Debugging, Search Engine Optimization, PHP (Scripting Language), jQuery, Hypertext Markup Language (HTML), MySQL, WordPress, Web Applications, Application Programming Interface (API), Web Development, Content Management Systems, Restful API, Javascript, Application Deployment, Cloud Hosting, Program Development, Object Oriented Programming (OOP), Servers, Development Environment
Intermediate · Specialization · 3 - 6 Months

American Psychological Association
Skills you'll gain: Sample Size Determination, Statistical Hypothesis Testing, Statistical Methods, Quantitative Research, Statistical Analysis, Probability & Statistics, Statistical Inference, Statistics, Data Analysis, Regression Analysis, Research Design, Research, Psychology
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Telehealth, Teamwork, Patient Communication, Collaboration, Health Technology, Health Care, Patient Coordination, Communication, Patient Education And Counseling, Patient-centered Care, Patient Treatment, Patient Flow, Primary Care, Health Systems
Beginner · Course · 1 - 4 Weeks