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.

Microsoft
Skills you'll gain: CI/CD, C# (Programming Language), Azure DevOps, Load Balancing, Continuous Integration, Role-Based Access Control (RBAC), Scalability, Object Oriented Programming (OOP), Authentications, ASP.NET, Debugging, SQL, Microsoft Copilot, .NET Framework, Relational Databases, Database Management, Graph Theory, Back-End Web Development, Program Development, Data Structures
Beginner · Professional Certificate · 3 - 6 Months

LearnQuest
Skills you'll gain: Account Management, Consultative Selling, Selling Techniques, Business Risk Management, Upselling, Business Metrics, Business Communication, Overcoming Objections, Sales Process, Solution Selling, Business Transformation, Virtual Teams, Customer Engagement, Strategic Thinking, Stakeholder Engagement, Innovation, Strategic Communication, Stakeholder Analysis, Value Propositions, Business Analytics
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Data Structures, Spring Boot, Restful API, Model View Controller, Spring Framework, Java Programming, Java, Back-End Web Development, Authentications, Authorization (Computing), Algorithms, Object Oriented Programming (OOP)
Advanced · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Inventory and Warehousing, Supply Chain Management, Business Continuity, Forecasting, Predictive Analytics, Logistics, Automation, Logistics Management, Real Time Data, Risk Mitigation, Risk Management, Case Studies, Business Ethics, Anomaly Detection, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: 3D Modeling, Emerging Technologies, Manufacturing Processes, Computer-Aided Design, Industrial Design, Prototyping, Materials science, Business Economics, Product Development, Innovation, New Product Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Lightweight Directory Access Protocols, Splunk, System Monitoring, Role-Based Access Control (RBAC), Authentications, Data Storage, Data Management, Enterprise Security, Disaster Recovery, Identity and Access Management, Data Integrity, User Accounts, Dataflow, Data Security, System Configuration, Configuration Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Healthcare 5.0, Artificial Intelligence, AI Enablement, Jupyter, Healthcare Ethics, Health Informatics, Healthcare Industry Knowledge, LLM Application, Machine Learning, Deep Learning, Machine Learning Software, MLOps (Machine Learning Operations), Generative Model Architectures, Statistical Machine Learning, AI Product Strategy, Model Evaluation, Predictive Modeling, Data-Driven Decision-Making, Data Processing, Data Analysis
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Computer Systems, Operating Systems, Generative AI, Business Systems, Cybersecurity, Enterprise Security, Servers, Security Awareness, Computer Hardware, Information Systems Security, Computer Architecture, Data Storage, Patch Management, Cloud Computing
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Usability, Human Computer Interaction, Authentications, Security Engineering, Usability Testing, Interaction Design, Human Factors, Information Privacy, Cybersecurity, Personally Identifiable Information, User Interface (UI) Design, Multi-Factor Authentication, User Centered Design, Design
Mixed · Course · 1 - 3 Months
Starweaver
Skills you'll gain: Cyber Threat Hunting, Splunk, Threat Detection, Jupyter, Anomaly Detection, Threat Management, Cybersecurity, Data Analysis, Data Science, Applied Machine Learning, Security Information and Event Management (SIEM), Pandas (Python Package), Interactive Data Visualization, Data Cleansing, Data Transformation, MLOps (Machine Learning Operations), Unsupervised Learning, Machine Learning Methods, Automation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Front-End Web Development, Git (Version Control System), Web Content Accessibility Guidelines, User Interface and User Experience (UI/UX) Design, HTML and CSS, React.js, Usability, Software Technical Review, Web Applications, User Experience Design, Semantic Web, Data Validation, Javascript
Intermediate · Course · 1 - 4 Weeks

CertNexus
Skills you'll gain: Artificial Intelligence, AI Enablement, AI Product Strategy, Artificial Intelligence and Machine Learning (AI/ML), Business Requirements, Responsible AI, AI Security, Data Ethics, Process Improvement, Process Improvement and Optimization, Environmental Social And Corporate Governance (ESG), Cloud Computing, Process Optimization, User Experience, Customer Service, Big Data, Data Security, Operational Efficiency, Marketing, Data Quality
Mixed · Course · 1 - 4 Weeks