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.

University of Colorado Boulder
Skills you'll gain: Simulations, Mathematics Education, Science and Research, Conceptual Design, User Feedback
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, 3D Assets, Animations, Animation and Game Design, Visualization (Computer Graphics), Computer Graphics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Apache Cassandra, Query Languages, Data Modeling, Operational Databases, Back-End Web Development, Distributed Computing, Full-Stack Web Development, Performance Tuning, NoSQL, Data Manipulation, Database Design, Scalability, Data Integrity, Data Management, Java
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: jQuery, Javascript and jQuery, Responsive Web Design, HTML and CSS, Web Design and Development, Software Testing, Front-End Web Development, User Interface (UI) Design, Web Development Tools, Event-Driven Programming, Web Development, Hypertext Markup Language (HTML), Usability, Maintainability
Beginner · Specialization · 1 - 3 Months

CertNexus
Skills you'll gain: Internet Of Things, Business Planning, Project Planning, Information Technology, Systems Development Life Cycle, Software Development Life Cycle, Technology Strategies, Business Solutions, Emerging Technologies, Cloud Computing, Technology Solutions, Business Strategy, Cybersecurity, Operations, Risk Management, Software Development, Operational Efficiency, Prototyping
Mixed · Course · 1 - 4 Weeks

CertNexus
Skills you'll gain: Data Science, Data Strategy, Internet Of Things, AI Product Strategy, Analytics, Big Data, Data Collection, Artificial Intelligence, Descriptive Analytics, Artificial Intelligence and Machine Learning (AI/ML), Predictive Analytics, Process Optimization, Process Improvement and Optimization, Cloud Computing, Operations, Marketing, Operational Efficiency, Customer Service, User Experience, Prototyping
Mixed · Course · 1 - 3 Months

Skills you'll gain: IT Automation, IT Infrastructure, Amazon Web Services, Cloud Deployment, System Configuration, Security Controls
Intermediate · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: Model Evaluation, Data Preprocessing, MLOps (Machine Learning Operations), Classification Algorithms, Applied Machine Learning, Maintainability, Machine Learning Algorithms, Java, Software Architecture, Software Design Patterns, Logistic Regression, Business Metrics, Benchmarking, Decision Tree Learning, Matrix Management, Business
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Programming Principles, Data Modeling, Data Integrity, Application Development, Data Maintenance, Debugging
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Security, Cloud Computing Architecture, Network Planning And Design, Cloud Infrastructure, Google Cloud Platform, Cloud Solutions, Solution Architecture, Cloud Computing, Process Analysis, IT Infrastructure, Infrastructure Architecture, Cloud Deployment, Process Optimization, Cloud Platforms, Cloud Management, Key Performance Indicators (KPIs), Cost Reduction, Business Requirements
Advanced · Course · 1 - 3 Months

Skills you'll gain: SQL, Metadata Management, SAS (Software), Data Management, Relational Databases, Data Manipulation, Data Transformation, Query Languages, Data Governance, Data Integration, Automation
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Surveys, Survey Creation, Customer Insights, Data Import/Export, Data Presentation, Market Research, Marketing Analytics, Customer Analysis, Marketing Strategies, Target Audience, Presentations, Data Analysis, Microsoft Excel, Pivot Tables And Charts, Data-Driven Decision-Making, Data Storytelling, Strategic Marketing, Data Capture, Data Collection
Beginner · Course · 1 - 4 Weeks