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.

Johns Hopkins University
Skills you'll gain: Survey Creation, Sampling (Statistics), Quantitative Research, Research Methodologies, Data Analysis, Data Quality, Research Design, Model Evaluation, Data Transformation, Statistical Analysis, Data Modeling, Statistical Methods
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Hardware, Hardware Architecture, Data Storage Technologies, System Configuration, Computer Architecture, Operating Systems, Software Installation, Peripheral Devices, Computer Displays
Build toward a degree
Beginner · Course · 1 - 4 Weeks

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

L&T EduTech
Skills you'll gain: Equipment Design, Manufacturing Processes, Hydraulics, Manufacturing Operations, Chemical Engineering, Production Process, Process Engineering, Control Systems, Manufacturing Standards, Automation, Mechanical Engineering, Internet Of Things, Materials science, Quality Assurance, Safety Standards, Petroleum Industry, Engineering Practices, Technical Standard, Maintenance, Repair, and Facility Services, Thermal Management
Intermediate · Specialization · 1 - 3 Months
Vanderbilt University
Skills you'll gain: AI Enablement, Agentic systems, Workforce Management, Scalability, Workforce Planning, Solution Design
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Prompt Engineering, Generative AI Agents, Tool Calling, Agentic systems, User Interface and User Experience (UI/UX) Design, Human Computer Interaction, OpenAI, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Debugging, Object Oriented Programming (OOP), Java, Teaching, Programming Principles, Program Development, Pedagogy, Computer Programming, Integrated Development Environments, Computational Thinking, Education Software and Technology, Cultural Responsiveness, Digital pedagogy, Test Case, Computational Logic, Pseudocode, Algorithms, Data Structures
Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Diversity Awareness, Intercultural Competence, Teamwork, Cultural Diversity, Collaboration, Verbal Communication Skills, Student Support and Services, Professional Development, English Language, Research, Professionalism, Higher Education, Communication, Adaptability, Communication Strategies, Public Speaking, Community Development, Relationship Building, Vocabulary, Writing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Design, Continuous Integration, Restful API, Docker (Software), Model View Controller, Front-End Web Development, Databases, User Story, CI/CD, Java, Java Programming, Database Application, Application Programming Interface (API), HTML and CSS, Full-Stack Web Development, Spring Boot, Microservices, Back-End Web Development, Software Design Documents, Software Architecture
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: JSON, NoSQL, Cloud API, Javascript, Data Store, Data Import/Export, Cloud Computing, Software Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Visualization, Exploratory Data Analysis, Data Presentation, Probability Distribution, Statistical Hypothesis Testing, Dashboard, Data Analysis, Data Science, Probability & Statistics, Statistical Analysis, Jupyter, Matplotlib, Data Preprocessing, Data Cleansing, Pandas (Python Package), Statistical Inference, Statistics, Data Manipulation, Python Programming, Machine Learning
Advanced · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Construction, Construction Inspection, Construction Management, Equipment Design, Construction Engineering, Construction Estimating, Product Lifecycle Management, Cost Estimation, Building Codes, Engineering Practices, Commercial Construction, Machine Controls, Plant Operations and Management, Structural Engineering, Environmental Engineering, Facility Management and Maintenance, Automation Engineering, Engineering Plans And Specifications, Architecture and Construction, Civil Engineering
Advanced · Specialization · 3 - 6 Months