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: Unit Testing, JUnit, Integration Testing, Restful API, Test Driven Development (TDD), Software Testing, Java Programming, Hibernate (Java), Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Kotlin, Android Jetpack, Cross Platform Development, Mobile Development, Cloud Deployment, Android Development, Back-End Web Development, Google Cloud Platform, MongoDB, User Interface (UI), Restful API, Application Programming Interface (API), API Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Search Engine Marketing, Research, Competitive Intelligence, Digital Marketing, Content Creation, Content Performance Analysis, Data-Driven Decision-Making, ChatGPT, Content Strategy, Content Marketing, Marketing Analytics, Digital Content, Web Analytics, AI Enablement, Generative AI, Content Management, Analytics
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Ideation, Adobe Firefly, Creative Problem-Solving, Target Audience, Conceptual Design, Creative Thinking, Brainstorming, Creativity, Communication, Design Thinking, Adobe Express, Visual Design, Storyboarding, Entrepreneurship, Value Propositions, Generative AI, Prototyping, Problem Solving, Adobe Creative Cloud, Market Opportunities
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Server Side, Restful API, API Design, Database Management, Back-End Web Development, Databases, Database Systems, Node.JS, Application Programming Interface (API), Full-Stack Web Development, Authentications, Web Applications, JavaScript Frameworks, Web Development, Web Servers, Authorization (Computing), NoSQL, MongoDB, Servers, Javascript
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Convolutional Neural Networks, Image Analysis, Computer Vision, Deep Learning, Artificial Neural Networks, Transfer Learning, Applied Machine Learning, Network Architecture, Algorithms
Intermediate · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Report Writing, Operations Research, Applied Mathematics, Mathematical Modeling, Algorithms, Industrial Engineering, Business Modeling, Process Optimization, Engineering Calculations, Feasibility Studies, Project Design, Engineering Management, Business Operations, Computational Thinking, Data Visualization, Complex Problem Solving, Decision Making, Performance Metric, Business Analytics
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Customer experience improvement, Workflow Management, AI Personalization, Customer Service, Customer Support, Customer Engagement, Generative AI, Customer Communications Management, Emotional Intelligence, Customer Success Management, OpenAI, Salesforce, Customer Data Management, Customer Relationship Management, Artificial Intelligence, Customer Analysis, No-Code Development, De-escalation Techniques, Surveys, Communication
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Systems Engineering, Verification And Validation, Systems Architecture, Configuration Management, Systems Development, Systems Development Life Cycle, Systems Design, Reliability, Risk Management, Risk Management Framework, Systems Analysis, Systems Integration, Requirements Analysis, Maintainability
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, R (Software), GitHub, Data Literacy, Version Control, Data Analysis, Big Data, R Programming, Git (Version Control System), Statistical Programming, Data Quality, Data Management
Mixed · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Data Strategy, Data Management, Agile Project Management, Data Infrastructure, Data Governance, Data Literacy, Project Management, Risk Management, Data-Driven Decision-Making, Project Management Life Cycle, Resource Management, Project Design, Project Implementation, Culture Transformation, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prompt Engineering, Google Gemini, Responsible AI, Retrieval-Augmented Generation, Generative AI Agents, Generative AI, Google Workspace, AI Enablement, Google Cloud Platform, Gemini, AI Security, AI Product Strategy, Productivity Software, AI Workflows, Agentic systems, Customer experience improvement, Cloud Infrastructure, Cloud Computing, Artificial Intelligence, Collaboration
Beginner · Specialization · 3 - 6 Months