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.

John Wiley & Sons
Skills you'll gain: Performance Measurement, Sales Strategy, Selling Techniques, Sales, Solution Selling, Sales Enablement, Sales Management, Sales Process, General Sales Practices, Generative AI Agents, Sales Development, Operational Performance Management, Digital Transformation, Performance Metric, AI Product Strategy, Key Performance Indicators (KPIs), Performance Analysis, Customer experience strategy (CX), AI Enablement, Sales Support
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Presentations, Sales Presentation, User Accounts, Account Management, Productivity Software, Data Visualization, Business Communication, Data Storytelling, Content Creation, Entrepreneurship, Marketing Communications
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Selenium (Software), Jenkins, Test Script Development, CI/CD, Continuous Integration, Test Automation, Apache Maven, DevOps, Automation, Systems Administration, Scripting, Scalability, Web Applications, Role-Based Access Control (RBAC), Distributed Computing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Animations, Computer Graphic Techniques, Model Optimization, Data Import/Export, Image Quality
Advanced · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, Application Security, Secure Coding, Authentications, OAuth, Threat Management, Software Testing, Development Testing, Software Development Life Cycle, Unit Testing, Security Testing, Unified Modeling Language, Authorization (Computing), Single Sign-On (SSO), Databases, Security Software, Software Development, Cyber Security Assessment, Cyber Security Strategy, Cybersecurity
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Modeling, Data Transformation, Database Design, Data Engineering, Dashboard, Dashboard Creation, Cloud Engineering, Analytics, Star Schema, Data Warehousing, Data Architecture, Data Integration, Extract, Transform, Load, Business Intelligence, Business Intelligence Software, Data Infrastructure, Data Analysis, Cloud Computing Architecture, Data Pipelines, Cloud Infrastructure
Intermediate · Course · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: Public Health and Disease Prevention, Public Health, Chronic Diseases, Preventative Care, Community Health, Empathy & Emotional Intelligence, Cardiology, Professional Development, Training Programs, Health Disparities, Health Policy, Education and Training, Care Management, Public Policies, Adult Education, Health Education, Adult Learning Principles, Program Evaluation, Train The Trainer, Collaboration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Test Script Development, Software Testing, System Testing, Database Design, Requirements Analysis, Test Tools, Test Execution Engine, Test Case, Automation, Test Data, System Design and Implementation, Functional Requirement, Databases, Role-Based Access Control (RBAC)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Robotic Process Automation, Email Automation, Business Process Automation, Automation, Transaction Processing, Solution Architecture, Web Applications, Software Architecture, Maintainability, Data Import/Export, Data Structures, File Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Mahout, NoSQL, Big Data, Apache Hive, Data Pipelines, Databases, Applied Machine Learning, Real Time Data, Database Theory, Scalability, Distributed Computing, Data Processing, Database Architecture and Administration, Model Evaluation, Machine Learning Algorithms, Transaction Processing, Classification Algorithms
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Ethics, Market Research, Data Collection, Advanced Analytics, Market Analysis, Research Reports, Business Research, R Programming, Statistical Analysis, Data Presentation, Presentations, Customer Analysis, Data Analysis, Quantitative Research, Technical Communication, Report Writing, Dashboard Creation, Data Capture, Project Design, Strategic Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, .NET Framework, Identity and Access Management, Full-Stack Web Development, Web Applications, C# (Programming Language), Microsoft Azure, Web Development, Cloud Deployment, Application Deployment, Database Development, Cloud Applications, Database Application, Authorization (Computing), Role-Based Access Control (RBAC), Databases, Database Design, Software Architecture, Payment Systems, Software Design Patterns
Intermediate · Course · 3 - 6 Months