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: Capacity Management, Data Loss Prevention, Power BI, Data Analysis Expressions (DAX), Resource Management, Solution Architecture, Data Security, Azure DevOps, Data Architecture, Microsoft Power Platform, Azure DevOps Pipelines, Microsoft Teams, Microsoft Copilot, Model Optimization, Microsoft Azure, Data Modeling, Business Intelligence Software, AI Integrations, AI Security, Data Science
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Web Development, Multimedia, Web Design and Development, Information Architecture, Front-End Web Development, Semantic Web, Interactive Design, Browser Compatibility, Microsoft Visual Studio, Web Development Tools, Web Content Accessibility Guidelines, Visual Design, Development Environment, Metadata Management, Scripting, Building Design, Data Validation
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Storytelling, Dashboard, Data Visualization, Dashboard Creation, Data Presentation, Interactive Data Visualization, Infographics, Data Literacy, Tableau Software, Data Visualization Software, Presentations, Storytelling, Data Analysis, Health Informatics, Stakeholder Communications
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Hibernate (Java), Multi-Tenant Cloud Environments, Object-Relational Mapping, Spring Boot, Performance Tuning, Java Programming, Java, Data Mapping
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Environmental Issue, Team Building, Business Modeling, Entrepreneurship, Sustainable Business, Business Planning, New Business Development, Business Strategy, Innovation, Sustainable Design, Corporate Sustainability, Sustainable Development, Case Studies, Market Opportunities, Stakeholder Engagement
Beginner · Course · 1 - 3 Months

Skills you'll gain: Creative Problem-Solving, Solution Design, Social Impact, Complex Problem Solving, AI Integrations, AI literacy
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Health Policy, Public Health, Public Health and Disease Prevention, Systems Thinking, Health Promotion, Program Evaluation, Health Systems, Health Equity, Health Administration, Epidemiology, Community Health, Health Informatics, Media and Communications, Emergency Response, Collaboration, Communication
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Deepseek, DeepSeek API, LLM Application, Model Deployment, Generative AI Agents, Prompt Engineering, AI Workflows, Tool Calling, OpenAI, AI Orchestration, Agentic Workflows, Large Language Modeling, Fine-tuning, Prompt Patterns, Legal Technology, Model Optimization, Model Training, Gemini, Deep Learning, Cloud Platforms
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Server Side, Application Deployment, Apache Tomcat, Back-End Web Development, Apache, Front-End Web Development, Web Design and Development, PHP (Scripting Language), Application Servers, HTML and CSS, Web Applications, Full-Stack Web Development, Web Development, Web Design, Email Automation, Development Testing, User Interface (UI) Design, Code Reusability, Web Analytics and SEO, Software Installation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Model Evaluation, Model Training, Forecasting, Financial Data, Financial Forecasting, Performance Metric, Financial Analysis, Credit Risk, AI Integrations, Applied Machine Learning, AI Workflows, Data Pipelines, Artificial Neural Networks, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Airflow, Data Governance, Data Management, Apache Spark, PySpark, Databricks, Record Keeping
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: vSphere Networking and Storage, Virtual Networking, VMware ESX Servers, vSphere DRS & HA, Storage vMotion, vCenter Server, vCenter Server Management, Role-Based Access Control (RBAC), Virtual Local Area Network (VLAN), Virtual Machines, Performance Tuning, Virtualization and Virtual Machines, Authorization (Computing), Security Controls, Identity and Access Management, Network Performance Management, Network Troubleshooting, Infrastructure Security, Data Storage Technologies, Hardening
Intermediate · Course · 1 - 3 Months