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.

Coursera
Skills you'll gain: Data Science, Web Applications, Python Programming, Data Analysis, Programming Principles, Artificial Intelligence, Computer Programming, Game Design
★ 4.5 (2.2K) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Dashboard Creation, Dashboard, Data Storytelling, Tableau Software, Data Modeling, Data Visualization, Data Presentation, Statistical Visualization, Interactive Data Visualization, Business Reporting, Business Intelligence, Data Visualization Software, Plot (Graphics), Key Performance Indicators (KPIs), Business Metrics, Analytics, Performance Measurement, Data Analysis, Business Analytics, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Infrastructure as Code (IaC), Terraform, DevOps, Ansible, Responsible AI, Amazon Web Services, Software Documentation, Development Environment, Application Deployment, Unit Testing, Software Development Tools, Cloud Deployment, Development Testing, Maintainability, Integrated Development Environments, AI literacy, Command-Line Interface, Technical Documentation, Verification And Validation
Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Systems Thinking, Software Visualization, Object Oriented Design, Case Studies, Software Engineering, Object Oriented Programming (OOP), Software Design, Program Development, Systems Design, Business Modeling, System Design and Implementation, Complex Problem Solving, Dependency Analysis
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, Relational Databases, Object-Relational Mapping, SQL, Data Access, Java Platform Enterprise Edition (J2EE), Databases, Database Design, Data Persistence, Object Oriented Design, Java, Data Manipulation, Data Mapping, Java Programming, Database Development, JUnit, Object Oriented Programming (OOP), Database Software, Query Languages
★ 4.7 (56) · Beginner · Specialization · 1 - 3 Months
Duke University
Skills you'll gain: Pandas (Python Package), Bash (Scripting Language), Version Control, Jupyter, Linux Commands, Git (Version Control System), Shell Script, Linux, Web Scraping, Linux Administration, Data Manipulation, MySQL, Microservices, AWS SageMaker, SQL, JSON, Command-Line Interface, Python Programming, Big Data, Data Science
★ 4.5 (485) · Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Windows Servers, Computer Security, Linux Administration, Disaster Recovery, Authorization (Computing), Linux, Linux Servers, Microsoft Windows, Authentications, Operating System Administration, OSI Models, User Accounts, Group Policy, Security Management, User Provisioning, Ubuntu, IT Management, System Monitoring, Systems Administration, Cybersecurity
★ 4.6 (2K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Visual Storytelling, AI powered creativity, Prompt Patterns, AI Workflows, Multimodal Prompts, Photo/Video Production and Technology, Prompt Engineering Tools, Education Software and Technology, Cinematography, AI literacy, AI Integrations, Ideation, Blogs, LLM Application, Graphic and Visual Design, Scripting, Graphic Design, Color Theory, Color Matching, Marketing
★ 3.8 (68) · Beginner · Specialization · 3 - 6 Months
National University of Singapore
Skills you'll gain: Surveys, Presentations, Survey Creation, Persuasive Communication, Trustworthiness, Cultural Diversity, Intercultural Competence, Verbal Communication Skills, Meeting Facilitation, Stakeholder Engagement, Interpersonal Communications, Business Writing, Communication Strategies, Public Speaking, Organizational Structure, Rapport Building, Communication, Cultural Responsiveness, Stakeholder Communications, Writing
★ 4.6 (835) · Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Model Deployment, Extract, Transform, Load, Federated Learning, Model Optimization, Data Pipelines, Image Analysis, Data Import/Export, Tensorflow, Transfer Learning, Convolutional Neural Networks, iOS Development, Apple iOS, Android Development, Data Preprocessing, Model Training, Data Processing, Computer Vision, MLOps (Machine Learning Operations), Javascript, Machine Learning
★ 4.7 (1.5K) · Intermediate · Specialization · 3 - 6 Months

Snowflake
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, AI Orchestration, Fine-tuning, Agentic Workflows, AI Workflows, Generative Model Architectures, LLM Application, Data Engineering, Data Manipulation, Model Context Protocol, Data Store, Large Language Modeling, Artificial Intelligence, Application Deployment, Tool Calling, Data Warehousing, Embeddings, SQL
★ 4.7 (284) · Beginner · Professional Certificate · 1 - 3 Months

Skills you'll gain: Negotiation, Critical Thinking and Problem Solving, Prioritization, Conflict Management, Time Management, De-escalation Techniques, Communication, Stress Management, Empathy & Emotional Intelligence, Problem Solving, Closing (Sales), Critical Thinking, Communication Strategies, Business Priorities, Goal-Oriented, Professionalism, Emotional Intelligence, Business Ethics, Goal Setting, Self-Awareness
★ 4.7 (403) · Beginner · Specialization · 3 - 6 Months