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 Illinois Urbana-Champaign
Skills you'll gain: Deep Learning, Convolutional Neural Networks, Health Informatics, Autoencoders, Recurrent Neural Networks (RNNs), Image Analysis, Embeddings, Machine Learning, Applied Machine Learning, Health Care, Model Deployment, Generative Adversarial Networks (GANs), Artificial Neural Networks, Healthcare Project Management, Supervised Learning, Model Evaluation, Machine Learning Methods, Graph Theory, Medical Science and Research, Big Data
Advanced · Specialization · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Model Context Protocol, AI Security, Threat Modeling, AI Workflows, Secure Coding, LLM Application, Enterprise Architecture, Generative AI Agents, Security Controls, Interoperability, Agentic systems, Generative AI
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Quality Assurance, White-Box Testing, API Testing, Test Script Development, Debugging, Software Development Methodologies, User Acceptance Testing (UAT), JUnit, Maintainability, Development Testing, Selenium (Software), Scalability, Automation, Software Technical Review, DevOps, Regression Testing, Test Execution Engine, Security Testing
Beginner · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: C (Programming Language), Embedded Systems, Embedded Software, Debugging, System Programming, Hardware Architecture, Microarchitecture, Computer Architecture, Data Structures, Peripheral Devices
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Network Architecture, Network Protocols, Wireless Networks, Network Performance Management, Network Planning And Design, Network Infrastructure, Communication Systems, Telecommunications, Emerging Technologies
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Performance Tuning, Web Development, Web Applications, Web Services, Object Oriented Design, Software Architecture, Microservices, Network Security, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Generative Adversarial Networks (GANs), Artificial Intelligence and Machine Learning (AI/ML), Responsible AI, Applied Machine Learning, Data Ethics, Transfer Learning, Federated Learning, Scalability, Machine Learning, Distributed Computing, Model Evaluation, MLOps (Machine Learning Operations), Microsoft Azure, Information Privacy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Photo/Video Production and Technology, Video Production, Content Creation, Social Media, User Accounts, Design, Creativity
Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Google Analytics, Email Marketing, Google Ads, WordPress, LinkedIn, Content Creation, Content Marketing, Social Media, Facebook, Social Media Marketing, Search Engine Marketing, Social Media Content, Web Analytics and SEO, Advertising Campaigns, Email Automation, Social Media Campaigns, Analytics, Keyword Research, ChatGPT, Bidding
Beginner · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: SAS (Software), Business Analytics, Dashboard, Data-Driven Decision-Making, Analytical Skills, Business Intelligence, Data Analysis, Forecasting, Trend Analysis, Histogram, Business Ethics, Correlation Analysis, Time Series Analysis and Forecasting, Statistics, Predictive Modeling, Innovation, Sustainable Business
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: C++ (Programming Language), Data Structures, File I/O, Data Store, Data Cleansing, Data Mapping, Data Integrity
Intermediate · Guided Project · Less Than 2 Hours

University of Maryland, College Park
Skills you'll gain: Fire And Life Safety, Safety Standards, Accident Prevention, Hazard Analysis, Environmental Issue, Environmental Science, Building Design, Risk Management, Property Maintenance, Emergency Response
Mixed · Course · 1 - 3 Months