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.

Johns Hopkins University
Skills you'll gain: Bioinformatics, Data Structures, Jupyter, Python Programming, Programming Principles, Object Oriented Programming (OOP), File I/O, Computational Logic, Package and Software Management, Data Manipulation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Project Design, Project Coordination, Decision Making, Agile Methodology, Stakeholder Engagement, Waterfall Methodology, Project Management, Agile Project Management, Project Planning
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: User Story, Behavior-Driven Development, DevSecOps, Agile Project Management, Test Driven Development (TDD), Backlogs, Sprint Planning, Kanban Principles, Agile Methodology, Scrum (Software Development), Continuous Integration, Agile Software Development, Project Risk Management, Sprint Retrospectives, Lean Methodologies, Scaled Agile Framework, DevOps, Risk Management, Agile Product Development, Management Reporting
Beginner · Specialization · 3 - 6 Months

Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Data Storytelling, Data Presentation, Human Capital, Employee Relations, Human Resource Strategy, Performance Metric, Employee Training, Dashboard, Business Metrics, Employee Engagement, Business Analysis, Employee Retention, Data Analysis, Compensation Analysis, Training and Development, Compensation and Benefits, Compensation Strategy, Talent Recruitment, Mental Health
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: OAuth, Salesforce Development, Authentications, Salesforce, Cloud Deployment, Cloud-Based Integration, Systems Integration, Application Programming Interface (API), Application Deployment, Data Integration, API Design, Data Mapping, Restful API, Application Performance Management, System Monitoring, Data Transformation, Secure Coding, Event Monitoring, Security Controls, Real Time Data
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Apple iOS, Swift Programming, Mobile Development, Authentications, User Interface (UI), User Flows, User Accounts, Software Architecture, Frontend Integration, Debugging, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Dashboard, Data Visualization, Key Performance Indicators (KPIs), System Monitoring, Performance Analysis, Data Visualization Software, Business Intelligence, Performance Metric, Continuous Monitoring, Budget Management, Cost Management, Decision Making
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Magnetic Resonance Imaging, Medical Imaging, Radiology, Research Design, Image Analysis, Experimentation, Neurology, Data Preprocessing, Science and Research, Statistical Analysis, Statistical Modeling, Statistics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Apache Spark, SQL, Performance Tuning, Disaster Recovery, Database Management, PySpark, Query Languages, Infrastructure as Code (IaC), Data Architecture, Cloud Computing Architecture, Distributed Computing, Data Pipelines, Performance Analysis, Data Warehousing, Data Transformation, Scalability, Root Cause Analysis, Cost Management, Resource Management
Intermediate · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Program Development, Python Programming, Maintainability, Programming Principles, Scripting, Debugging, Scripting Languages, Computer Programming, Software Development, Functional Design, Computational Logic
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, Agentic systems, AI Orchestration, AI Enablement, Advanced Analytics, Data Processing, Enterprise Architecture, Automation, Data Transformation, Artificial Intelligence, Continuous Improvement Process, Data Quality, Application Deployment, Scalability, Performance Tuning, Business Metrics, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks