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.

Illinois Tech
Skills you'll gain: Relational Databases, Database Management, Database Development, SQL, MySQL, Database Design, Transaction Processing, Stored Procedure, Java, Data Structures, Data Integrity, Performance Tuning
Build toward a degree
Intermediate · Course · 1 - 3 Months

Indian Institute of Science
Skills you'll gain: Biomedical Engineering, Electronics, Semiconductors, Electronic Systems, Medical Devices, Internet Of Things, Embedded Systems, Materials science, Chemical Engineering, Manufacturing Processes
Beginner · Course · 1 - 3 Months

Skills you'll gain: Adobe Firefly, Responsible AI, Data Ethics, Generative AI, AI Enablement, Creativity, Prompt Engineering, Ideation, Brainstorming, Artificial Intelligence, Innovation, Creative Design, Design Thinking, Multimedia, Storytelling, Visual Design, Content Strategy
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Java, Object Oriented Programming (OOP), Education Software and Technology, Computer Programming, Digital pedagogy, Program Development, Debugging, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, Spring Boot, Full-Stack Web Development, React.js, IntelliJ IDEA, Application Programming Interface (API), Object-Relational Mapping, JavaScript Frameworks, Integrated Development Environments, Front-End Web Development, YAML, Web Applications, Web Development Tools, Back-End Web Development, Data Access, User Interface (UI), MongoDB, UI Components, Application Frameworks, Databases
Intermediate · Specialization · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Cybersecurity, Data Management, Interoperability, Digital Transformation, Data Security, Public Administration, Governance, Case Studies, Public Key Infrastructure, Identity and Access Management, Service Design, Policy Analysis, Innovation, Strategic Planning
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Risk Management Framework, Federal Information Security Management Act, NIST 800-53, Systems Development Life Cycle, Cyber Risk, Security Management, Continuous Monitoring, Cyber Security Policies, Security Controls, Authorization (Computing), Information Privacy, Information Systems
Mixed · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Search Engine Marketing, Google Ads, Marketing Analytics, Web Analytics, Google Analytics, Key Performance Indicators (KPIs), Marketing Effectiveness, Performance Measurement, Business Metrics, Marketing Budgets, Performance Metric, Performance marketing, Pay Per Click Advertising, Paid media, Marketing Strategies, Search Engine Optimization, Data-Driven Decision-Making, Marketing Automation, Digital Marketing, Marketing
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Microarchitecture, Computer Architecture, Hardware Architecture, Simulations, Computer Hardware, Performance Tuning, Scalability, Data Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Back-End Web Development, Server Side, Middleware, Authentications, API Design, Application Programming Interface (API), User Accounts, Databases, JavaScript Frameworks, Scalability, GitHub, Development Environment, Data Validation
Intermediate · Course · 1 - 4 Weeks

National Academy of Sports Medicine
Skills you'll gain: Stress Management, Medical Nutrition Therapy, Behavioral Health, Psychiatry, Psychosocial Assessments, Mental Health, Exercise Science, Social Determinants Of Health, Nutritional Assessment, Social Sciences, Nutrition and Diet, Cognitive Behavioral Therapy, Health And Wellness Coaching, Kinesiology, Medical Devices, Nutrition Counseling, Sociology, Coaching, Physical Stamina, Health Assessment
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Generative Adversarial Networks (GANs), AI Security, Generative AI, Fraud detection, Model Evaluation, Feature Engineering, Cybersecurity, Cyber Security Strategy, Data Preprocessing, Anomaly Detection, Security Testing, Applied Machine Learning, Reinforcement Learning, Performance Tuning
Intermediate · Course · 1 - 3 Months