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: Secure Coding, .NET Framework, Data Validation, Business Logic, Database Design, C# (Programming Language), Relational Databases, Databases, Billing Systems, Microsoft SQL Servers, Database Application, Application Development, Registration, Usability, Software Development Methodologies, Software Design, Application Design, Invoicing, SQL, Web Design and Development
Beginner · Specialization · 3 - 6 Months

Khalifa University
Skills you'll gain: AI Personalization, Sales Enablement, Customer Data Management, Sales Management, AI Enablement, Customer experience improvement, Predictive Analytics, AI Product Strategy, Customer Insights, Customer Engagement, Advanced Analytics, Large Language Modeling, Fraud detection, Artificial Intelligence, Data Integration, Network Analysis, User Feedback, Technology Roadmaps, Change Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Javascript, Web Applications, HTML and CSS, Animations, Hypertext Markup Language (HTML), Event-Driven Programming, Web Design and Development, UI Components, Data Structures, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Self Service Technologies, Test Tools, Development Testing, Natural Language Processing
Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Software Quality Assurance, Quality Assurance, Software Testing, Jira (Software), Regression Testing, Functional Testing, Test Planning, Test Case, Usability Testing, Technical Communication, Issue Tracking, Agile Methodology, Software Documentation, Software Development, Agile Project Management, Risk Management, User Interface and User Experience (UI/UX) Design, Data Analysis, Problem Solving
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Cryptography, Encryption, Application Security, Threat Modeling, Cybersecurity, Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Assessments
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Product Management, Cross-Functional Collaboration, Product Roadmaps, Product Strategy, Product Lifecycle Management, Product Development, Analysis, Stakeholder Management, Decision Making, Innovation, Market Analysis, Agile Methodology, Key Performance Indicators (KPIs), Prioritization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, AI Orchestration, Generative AI Agents, Anthropic Claude, Prompt Engineering, Tool Calling, Generative AI, Automation, Scalability, Application Programming Interface (API), Servers, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Data Management, Data Pipelines, Statistical Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Data Preprocessing, Feature Engineering, AI Personalization, Applied Machine Learning, Data Science, Machine Learning, Scalability, Data Manipulation, Python Programming, Data Transformation, Pandas (Python Package), Machine Learning Methods, Predictive Modeling, Text Mining, Development Environment, Scikit Learn (Machine Learning Library), Machine Learning Algorithms, NumPy, Data Analysis
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: User Interface (UI), Bootstrap (Front-End Framework), Blockchain, User Interface (UI) Design, Front-End Web Development, Debugging, Full-Stack Web Development, Animations, Web Applications, Javascript, Test Script Development
Advanced · Course · 1 - 3 Months

Skills you'll gain: Mobile Development, Game Design, Video Game Development, User Interface (UI), Unity Engine, Android Development, C# (Programming Language), Animations, Scripting, Debugging
Intermediate · Course · 1 - 4 Weeks