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.

DeepLearning.AI
Skills you'll gain: LangGraph, LangChain, AI Workflows, LLM Application, Agentic systems, Prompt Engineering, Data Persistence, Context Management, Human Centered Design
Intermediate · Project · Less Than 2 Hours

Imperial College London
Skills you'll gain: Public Health, Health Equity, Community Health, Diversity Awareness, Health Policy, Health Promotion, Social Determinants Of Health, Research, Community Development, Research Methodologies, Social Justice, Program Evaluation, Cultural Diversity, Cultural Responsiveness, Case Studies, Qualitative Research, Collaboration, Patient Communication, Social Impact, Data Collection
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Open Source Technology, Package and Software Management, Web Development, Linux, Shell Script, Database Design, Ubuntu, Relational Databases, Web Development Tools, Unix Shell, Test Driven Development (TDD), Python Programming, Linux Administration, Databases, Object Oriented Programming (OOP), Operating System Administration, Scripting Languages, Computer Programming, Javascript, Database Management
Build toward a degree
Beginner · Specialization · 3 - 6 Months

IIT Bombay
Skills you'll gain: Internet Of Things, Network Protocols, Wireless Networks, Emerging Technologies, Data Analysis, Communication Systems, Digital Signal Processing, Scikit Learn (Machine Learning Library), Regression Analysis, Pandas (Python Package), Unsupervised Learning
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Bayesian Network, Linear Algebra, Numerical Analysis, Matlab, Statistical Modeling, Simulations, Estimation, Advanced Mathematics, Mathematical Modeling, Statistical Analysis, Time Series Analysis and Forecasting, Probability & Statistics, Forecasting, Applied Mathematics, Statistical Methods, Predictive Analytics, Predictive Modeling, Engineering Analysis, Control Systems, Probability
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Web Analytics and SEO, Search Engine Optimization, Content Marketing, Web Analytics, Blogs, Search Engine Marketing, Content Creation, Marketing Strategy and Techniques, Digital Marketing, Growth Strategies, Content Strategy, Social Media Marketing, Market Research
Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Ansible, Development Environment, Postman API Platform, Restful API, Authentications, YAML, Software Development Methodologies, Software-Defined Networking, CI/CD, DevOps, IT Automation, Network Engineering, Network Architecture, Network Administration, Application Programming Interface (API), Scripting, JSON, Data Modeling, Version Control, Network Protocols
Beginner · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Experimentation, Statistical Analysis, Statistical Methods, Variance Analysis, Data Analysis, Sample Size Determination, Statistical Modeling
Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Adobe InDesign, Typography, Layout Design, Adobe Creative Cloud, Style Guides, Automation, Data Import/Export, Graphic and Visual Design, Graphic Design, Technical Documentation, File Management
Intermediate · Specialization · 1 - 3 Months

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Computational Thinking, Database Design, Theoretical Computer Science, Programming Principles, Query Languages, Computer Programming, Performance Tuning, Computer Science, Data Storage
Intermediate · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Software-Defined Networking, Network Engineering, Network Architecture, Scripting, Application Programming Interface (API), Data Modeling, General Networking, Network Planning And Design, Automation, Network Administration, Linux Commands, Python Programming, Network Protocols, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Root Cause Analysis, Six Sigma Methodology, Quality Management, Kaizen Methodology, Lean Methodologies, Process Improvement, Pareto Chart, Quality Control, Statistical Process Controls, Data Analysis, Corrective and Preventive Action (CAPA), Microsoft Excel, Diagram Design
Intermediate · Course · 1 - 3 Months