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.

Amazon Web Services
Skills you'll gain: Responsible AI, AI Security, Human Centered Design, Data Ethics, Model Evaluation, Artificial Intelligence, AI literacy, Data Preprocessing
★ 4.2 (57) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Middleware, Node.JS, Model View Controller, Development Environment, Application Frameworks, Application Development, JavaScript Frameworks, Web Applications, Web Development Tools, Server Side, Network Routing, Service Oriented Architecture, Android Development
★ 3.6 (36) · Intermediate · Course · 1 - 4 Weeks

Fudan University
Skills you'll gain: Video Game Development, Intellectual Property, Game Design, New Product Development, Legal Risk, Product Management, Business, Regulation and Legal Compliance, Global Marketing, Investments
★ 3.6 (69) · Beginner · Course · 1 - 3 Months

High Tech High Graduate School of Education
Skills you'll gain: Student-Centred Learning, Interactive Learning, Education and Training, Student Engagement, Pedagogy, Teaching, Differentiated Instruction, Collaboration, Curriculum Planning, Scheduling, Learning Theory, Drive Engagement, Human Learning, Project Design, Discussion Facilitation, Presentations
★ 4.3 (45) · Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: AI Orchestration, AI Workflows, CrewAI, LangGraph, Agentic Workflows, LLM Application, LangChain, Large Language Modeling, Agentic systems, Generative AI Agents, AI Integrations, Application Deployment, Artificial Intelligence and Machine Learning (AI/ML), Software Architecture, Systems Architecture, Context Management, API Design, Software Design, Data Validation, Memory Management
★ 4.1 (7) · Intermediate · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Secure Coding, Application Security, C and C++, Linux Administration, Verification And Validation, Code Review, Vulnerability Management, Linux, Security Controls, Vulnerability Assessments, Unix, User Accounts, Data Validation, File I/O, Cryptography, C (Programming Language), System Programming, Identity and Access Management, Encryption, File Management
★ 4.5 (83) · Intermediate · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Image Quality, Image Analysis, Digital Signal Processing, Computer Graphics, Python Programming, Color Theory, Algorithms
★ 4.4 (15) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Decision Tree Learning, Artificial Neural Networks, Markov Model, Algorithms, Artificial Intelligence, Statistical Inference, Statistical Modeling, Network Model, Forecasting, Computational Logic, Dependency Analysis, Statistical Methods, Probability Distribution, Data-Driven Decision-Making, Time Series Analysis and Forecasting, Sampling (Statistics), Model Optimization, Solution Design, Technical Design
★ 3.8 (11) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Microsoft Copilot, Competitive Analysis, Marketing Operations, Marketing Design, Marketing Strategies, Marketing Planning, Performance Reporting, Campaign Planning, Marketing Channel, Cross-Channel Marketing, Generative AI, Market Intelligence, Microsoft 365, Customer Analysis, Market Research, Artificial Intelligence, Customer experience improvement, Customer Retention
★ 4.7 (21) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Miro AI, Prompt Patterns, Generative AI Agents, Prompt Engineering Tools, Responsible AI, AI Product Strategy, No-Code Development, Generative AI, Workflow Management, Email Automation, Process Design, ChatGPT, Customer Analysis, Content Performance Analysis, Customer Data Management, Customer Inquiries, Customer and Client Support, AI Workflows, Emotional Intelligence
★ 4.7 (6) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Canva (Software), Design Elements And Principles, Graphic and Visual Design, Content Creation, Graphical Tools, Creative Design, Graphics Software, Graphic and Visual Design Software, Design, Graphic Design
★ 4.7 (15) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Threat Modeling, Feature Engineering, Anomaly Detection, Data Visualization, Data Presentation, MLOps (Machine Learning Operations), Agentic Workflows, Interactive Data Visualization, AI Orchestration, AI Security, A/B Testing, Generative AI Agents, Threat Management, Model Optimization, Open Web Application Security Project (OWASP), Technical Communication, Agentic systems, Continuous Monitoring, CI/CD, Reinforcement Learning
Intermediate · Professional Certificate · 3 - 6 Months