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 Pittsburgh
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization Software, Data Presentation, Data Visualization, Tableau Software, Matplotlib, Geospatial Information and Technology, Spatial Analysis, Geospatial Mapping, Visualization (Computer Graphics), Seaborn, Infographics, Heat Maps, Data Ethics, Text Mining, Data Mapping, Network Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Authentications, Application Frameworks, Web Applications, Web Development, Network Routing, Information Architecture, Unit Testing, Authorization (Computing), Middleware, Development Testing, Functional Testing, Application Security, Configuration Management, File Management
Advanced · Course · 1 - 3 Months

Zoho Corporation
Skills you'll gain: Sales Process, Sales, Sales Presentation, Sales Strategy, Verbal Communication Skills, Selling Techniques, Sales Management, Customer Relationship Management (CRM) Software, Closing (Sales), Communication, Customer Relationship Building, Active Listening, Business Software, Overcoming Objections, Business Writing, Negotiation, Collaboration, Problem Solving, Value Propositions, Critical Thinking
Beginner · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Wide Area Networks, Software-Defined Networking, Open Shortest Path First (OSPF), Network Routing, Network Planning And Design, Virtual Networking, Network Architecture, Border Gateway Protocol, Network Performance Management, Network Protocols
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Bash (Scripting Language), Shell Script, Linux Commands, Unix Shell, Scripting, Linux, Unix Commands, Unix, Command-Line Interface, Remote Access Systems, OS Process Management, Computational Logic, File Management, Debugging, Data Validation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: iOS Development, Swift Programming, Apple iOS, Mobile Development, User Interface (UI), Apple Xcode, Restful API, User Interface and User Experience (UI/UX) Design, Application Development, Development Environment, Application Programming Interface (API), UI Components, Real Time Data, JSON
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embeddings, Vector Databases, PostgreSQL, Google Cloud Platform, SQL, Database Design, Relational Databases, Generative AI
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Kubernetes, Docker (Software), Containerization, DevOps, Application Deployment, Scalability, Load Balancing, YAML, Capacity Management, Disaster Recovery, System Monitoring, Maintainability, Command-Line Interface
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Web Design and Development, Front-End Web Development, Animations, Javascript, Application Deployment, Interactive Design, Web Content Accessibility Guidelines, User Interface (UI), Usability, Maintainability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Kibana, System Monitoring, Automation, Scripting, Devops Tools, Python Programming, Linux, Data Visualization Software, Data Structures, JSON
Mixed · Course · 1 - 4 Weeks

H2O.ai
Skills you'll gain: LLM Application, Application Development, AI Enablement, User Interface (UI), Development Environment, Interactive Design, Cloud Deployment, Generative AI, Python Programming, Application Frameworks, Open Source Technology
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Data Governance, Extract, Transform, Load, Data Warehousing, Data Integration, DevOps, Data Pipelines, CI/CD, Data Architecture, Infrastructure as Code (IaC), Data Quality, Amazon Redshift, Cloud Computing, Database Architecture and Administration, Cloud Computing Architecture, Analytics, Data Transformation, Amazon S3, Scalability
Mixed · Course · 1 - 3 Months