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: Oracle Databases, Oracle SQL Developer, PL/SQL, Database Administration, Database Architecture and Administration, Relational Databases, Database Management, Database Management Systems, Stored Procedure, Database Design, SQL, Data Storage, Data Management, Performance Tuning, Data Integrity, Security Controls, Authorization (Computing), Identity and Access Management, System Monitoring, User Accounts
Mixed · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Front-End Web Development, Web Content Accessibility Guidelines, Web Components, UI Components, Web Analytics and SEO, User Interface (UI), Usability, Semantic Web, Animations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Electrical Wiring, Wiring Diagram, Electrical Systems, Blueprint Reading, Electrical Equipment, Electrical Power, Schematic Diagrams, Technical Drawing, Engineering Drawings, Computer-Aided Design, Basic Electrical Systems, AutoCAD, Electrical Safety
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: AI Workflows, Technical Communication, AI Enablement, Model Deployment, Generative AI Agents, Data Integration, AI Orchestration, Reinforcement Learning, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems, Responsible AI, Artificial Intelligence, Cloud Computing, Deep Learning, Data Visualization, Python Programming, Machine Learning, Data Engineering, Anomaly Detection, Statistical Analysis
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Design, Web Design and Development, User Interface and User Experience (UI/UX) Design, Animations, Typography, Color Theory
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Electrical Equipment, Electrical Systems, Architectural Drawing, Electrical Wiring, Electrical Power, AutoCAD, Blueprint Reading, Basic Electrical Systems, Engineering Calculations, Estimation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File Transfer Protocol (FTP), Transaction Processing, Integration Testing, Data Integration, Data Mapping, Data Validation, Test Case, Middleware, Systems Integration, Databases
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Metadata Management, Extract, Transform, Load, Data Integration, Data Pipelines, Data Processing, Java, Data Import/Export, Data Transformation, Software Documentation, Data Storage Technologies, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Azure DevOps Pipelines, CI/CD, Package and Software Management, Infrastructure as Code (IaC), Azure DevOps, Continuous Delivery, Application Deployment, Continuous Integration, DevOps, Cloud Deployment, Release Management, Software Versioning, Version Control, Microsoft Azure, GitHub, Development Testing, Test Engineering
Intermediate · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Functional Design, Software Design Patterns, Unit Testing, Data Structures, Simulations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Big Data, Application Deployment, Social Network Analysis, Data Processing, Distributed Computing, Java, Text Mining, Graph Theory, File Systems
Mixed · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Ideation, AI Product Strategy, UI/UX Research, Brainstorming, Innovation, Design Thinking, User Research, AI Enablement, Generative AI, Competitive Analysis, User Experience Design, Human Centered Design, Data Ethics, Persona (User Experience), Artificial Intelligence, Problem Solving, Data Collection, Data Synthesis, Critical Thinking
Beginner · Course · 1 - 4 Weeks