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.

Simplilearn
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Operational Risk, Application Security, Security Requirements Analysis, DevSecOps, Security Testing, Threat Modeling, Cyber Attacks, Web Development, Web Applications, Security Management, Vulnerability Assessments, Security Software, Security Engineering, Security Controls, Scenario Testing, Authorization (Computing), Software Development, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Financial Statement Analysis, Management Accounting, Revenue Recognition, Forecasting, Financial Analysis, Cost Accounting, Budget Management, Inventory Accounting, Budgeting, Performance Measurement, Income Statement, Balance Sheet, Cost Management, Analytics, Enterprise Resource Planning, Systems Analysis, Information Systems, Management Information Systems, Business Analytics, Finance
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Test Automation, Test Case, Software Testing, Automation, Continuous Integration, Acceptance Testing, Test Execution Engine, Integration Testing, Test Planning, Mobile Development
Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Target Audience, Target Market, Agile Product Development, User Interface and User Experience (UI/UX) Design, Product Improvement, Product Development, Customer Analysis, User Experience, Business Metrics, Lean Methodologies, Persona Development, Product Management, Product Lifecycle Management, Agile Methodology, New Product Development, Performance Measurement, Product Design, Product Marketing, User Feedback, Business Operations
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Microsoft 365, Microsoft Teams, Microsoft Outlook, Calendar Management, Collaborative Software, Productivity Software, Project Management Software, Organizational Skills, Collaboration, Team Management, Scheduling, File Management, Multimedia, Business Communication
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Shiny (R Package), Application Deployment, Server Side, Application Lifecycle Management, Authentications, User Interface (UI) Design, Interactive Design, Business Logic, Application Design, Application Development, Dashboard, Security Controls, Web Applications, R (Software)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), System Implementation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Postman API Platform, JUnit, Test Automation, API Testing, Software Quality Assurance, Test Tools, Test Script Development, Quality Assurance, Unit Testing, Software Testing, Continuous Integration, Automation, Data Validation, Performance Testing, Test Case, Agile Methodology, Integration Testing, Debugging, Javascript
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Performance Testing, Performance Tuning, Algorithms, Performance Analysis, Performance Metric
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Convolutional Neural Networks, Model Evaluation, Keras (Neural Network Library), Image Analysis, Deep Learning, Applied Machine Learning, Computer Vision, Dimensionality Reduction, PyTorch (Machine Learning Library), Tensorflow, Machine Learning Methods, Data Preprocessing, Performance Tuning, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Strategic Prioritization, Web Analytics, Product Roadmaps, Business Analytics, Analytics, Product Management, Data-Driven Decision-Making, Predictive Modeling, Prioritization, Customer Analysis, Root Cause Analysis, Performance Analysis, Forecasting, User Flows, Performance Metric, Customer Retention, Data Capture, Resource Allocation, Statistical Methods
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Cloud Computing Architecture, Cloud Infrastructure, Multi-Cloud, Infrastructure Architecture, Systems Architecture, Cloud Technologies, Terraform, Generative AI, Cloud Management, Microservices, Infrastructure as Code (IaC), Data Architecture, Scalability, Site Reliability Engineering, CI/CD, Cost Management, Security Controls, Application Performance Management, Data Pipelines, Governance
Intermediate · Course · 3 - 6 Months