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.

Board Infinity
Skills you'll gain: Unit Testing, Angular, Software Testing, Development Testing, Test Case, Frontend Performance, Software Architecture, Software Design, Application Programming Interface (API), Restful API, Frontend Integration, Performance Tuning, Enterprise Architecture, Authentications, Authorization (Computing), Scalability, Dataflow, TypeScript, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 4 Weeks

University of Lausanne
Skills you'll gain: Health Systems, Systems Thinking, Public Health, Model Based Systems Engineering, Public Health and Disease Prevention, Community Health, Simulation and Simulation Software, Systems Analysis, Mathematical Modeling, Control Systems
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Email Automation, Debugging, IT Automation, Software Testing, Software Development Methodologies, Git (Version Control System), File Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Team Building, Scaled Agile Framework, Team Oriented, Agile Product Development, Project Management, AI Workflows, Plan Execution, Meeting Facilitation, Stakeholder Engagement
Beginner · Course · 3 - 6 Months

Packt
Skills you'll gain: Microsoft Azure, Compliance Management, Active Directory, Enterprise Application Management, Continuous Monitoring, Cyber Security Policies, User Accounts, System Monitoring, Control Panels, Authorization (Computing), System Configuration, Information Assurance, Event Monitoring, Configuration Management, Legal Technology, Network Analysis, Live Streaming, Record Keeping
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: User Interface (UI), Application Design, Code Reusability, Program Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Embeddings, Tool Calling, Generative AI Agents, Agentic Workflows, Document Management, Query Languages, Agentic systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Human Resources Software, Human Resources Information System (HRIS), Systems Administration, System Configuration, Organizational Structure, Payroll Administration, Oracle Databases, Enterprise Resource Planning, Workforce Management, Payroll Systems, Payroll, Payroll Processing, User Accounts, Data Validation, Data Entry, Scheduling
Intermediate · Course · 1 - 3 Months

The Expert Academy
Skills you'll gain: Executive Presence, Team Motivation, Business Leadership, Leadership Studies, Drive Engagement, Organizational Leadership, Goal Setting, Goal-Oriented, Motivational Skills, Strategic Leadership, Team Leadership, Leadership, Leadership Development, Smart Goals, Telecommuting, Leadership and Management, Business Priorities, Cross-Functional Team Leadership, Communication, Systems Thinking
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Amazon Web Services, Cloud Deployment, Cloud Development, Cloud Applications, Application Programming Interface (API), Amazon Elastic Compute Cloud, Cloud Engineering, API Gateway, Cloud Infrastructure, Development Environment, Serverless Computing, Software Development, System Configuration, Amazon S3, Infrastructure Security, Network Administration, Software Visualization, Restful API, TypeScript
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering Tools, Generative AI, AI Enablement, Performance Analysis, Strategic Leadership, AI literacy, Performance Measurement, Brand Awareness, Initiative and Leadership, LLM Application, Branding, Generative Model Architectures, AI powered creativity, Prompt Patterns, Leadership, Cybersecurity, Strategic Thinking, Computer Security Awareness Training, AI Personalization, Business
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: SAP Analytics Cloud, Data Access, Data Modeling, Real Time Data, Stored Procedure, Database Architecture and Administration, Data Architecture, Text Mining, Data Integration, SAP Applications, SQL, Decision Intelligence, Predictive Analytics, Business Reporting, Scripting
Intermediate · Course · 1 - 3 Months