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: Restful API, API Design, Application Deployment, Application Programming Interface (API), Authentications, Cloud API, API Testing, Cloud Deployment, Web Services, Web Frameworks, User Provisioning, Unit Testing, Continuous Deployment, User Accounts, Test Script Development, Email Automation, Debugging, Operational Databases, Test Tools, Continuous Integration
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Web Services, Extensible Markup Language (XML), Java Platform Enterprise Edition (J2EE), Java, Web Applications, Program Development
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Program Development, Debugging, Programming Principles, Python Programming, Computer Programming, Computational Logic, Game Design, Interactive Design, Design and Product, Computer Science
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Education Software and Technology, Differentiated Instruction, Education and Training, Diversity Awareness, Cultural Diversity, Digital pedagogy, Special Education, Human Learning, Teaching, Pedagogy, Higher Education, Student-Centred Learning, Instructional Strategies, Social Justice, Socioeconomics
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Business Writing, Business Communication, Writing, Presentations, Report Writing, Communication, Grammar, Writing and Editing, Persuasive Communication, Editing, Graphic Design, Organizational Structure
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Linux, Linux Commands, Computer Systems, Command-Line Interface, Cybersecurity, Computer Architecture, Network Security, Cyber Attacks, Vulnerability Assessments, Hardware Architecture, Information Systems Security, Application Security, Threat Detection, Authorization (Computing), Network Protocols, Virtual Private Networks (VPN), Operating Systems, VPN Clients, Systems Architecture, Authentications
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Multimodal Prompts, Gemini, Prompt Engineering, Google Gemini, Prompt Patterns, LLM Application, Tool Calling, Large Language Modeling, Token Optimization, Application Programming Interface (API), Image Analysis
Beginner · Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: AI Orchestration, AI Workflows, CrewAI, LangGraph, Agentic Workflows, LLM Application, LangChain, Large Language Modeling, Agentic systems, Generative AI Agents, AI Integrations, Application Deployment, Artificial Intelligence and Machine Learning (AI/ML), Software Architecture, Systems Architecture, Context Management, API Design, Software Design, Data Validation, Memory Management
Intermediate · Specialization · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Virtual Teams, Telecommuting, Interpersonal Communications, Trustworthiness, Collaboration, Team Collaboration, Team Building, Communication, Relationship Building, Team Leadership, Leadership, Communication Strategies, Leadership Development, Communication Planning, Overcoming Obstacles
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Node.JS, Full-Stack Web Development, Web Applications, Authentications, Server Side, JavaScript Frameworks, Back-End Web Development, Restful API, Middleware, Database Application, Dataflow, Data Validation, NoSQL, TypeScript, Application Programming Interface (API), Object-Relational Mapping, Authorization (Computing), MongoDB, Databases, MySQL
Intermediate · Course · 1 - 3 Months
Blue Prism
Skills you'll gain: Robotic Process Automation, Business Objects Framework, Business Process Automation, Process Flow Diagrams, Automation, Process Design, Workflow Management, Process Management, Process Modeling, Process Development, Business Process, Process Validation, Release Management, Data Analysis
Beginner · Course · 1 - 3 Months

Knowledge Accelerators
Skills you'll gain: Microsoft 365, Project Management, Project Coordination, Coordinating, Project Planning, Leadership and Management, Project Management Software, Calendar Management, Project Implementation, Collaborative Software, Delegation Skills, Workflow Management, Productivity, Productivity Software, Data Management, Business Software
Beginner · Course · 1 - 3 Months