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 California, Irvine
Skills you'll gain: Stakeholder Engagement, Project Planning, Stakeholder Management, Planning, Conflict Management, Project Management, Project Scoping, Leadership and Management, Stakeholder Communications, Scope Management, Project Controls, Project Documentation, Coordinating, Stakeholder Analysis, Influencing, Organizational Structure
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: React.js, Responsive Web Design, Front-End Web Development, Bootstrap (Front-End Framework), JavaScript Frameworks, Web Design and Development, UI Components, Programming Principles, Javascript, HTML and CSS, Web Applications, Event-Driven Programming, User Interface (UI), Maintainability, Code Reusability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spring Framework, Hibernate (Java), Java Programming, Spring Boot, Java, Object-Relational Mapping, Database Management, Application Frameworks, Data Access, Apache Maven, SQL, Object Oriented Programming (OOP), Data Persistence, Functional Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Code Reusability, Python Programming, Programming Principles, Data Dictionary, File Systems, Computational Logic, Command-Line Interface, Data Cleansing, Data Structures, Package and Software Management, File Management, Scripting, Data Manipulation, Logical Reasoning, Development Environment, Simulations
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: File I/O, Test Data, Test Case, Data Validation, Test Script Development, Verification And Validation, Data Cleansing, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Responsible AI, AI Security, Threat Modeling, MLOps (Machine Learning Operations), Budget Management, Security Testing, Data Ethics, Data Governance, Experimentation, Prompt Engineering, Application Security, CI/CD, Automation, Financial Forecasting, Compliance Management, Governance, Technical Documentation, Vulnerability Assessments, Risk Management, Stakeholder Communications
Intermediate · Specialization · 3 - 6 Months

Universidad Austral
Skills you'll gain: Teaching, Educational Materials, Differentiated Instruction, Diversity Awareness, Instructional and Curriculum Design, Curriculum Planning, Pedagogy, Cultural Diversity, Curriculum Development, Lesson Planning, Program Evaluation, K-12 pedagogy, Instructional Strategies, Student-Centred Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Data Cleansing, Data Transformation, Data Preprocessing, Data Storytelling, Feature Engineering, AWS SageMaker, AI Integrations, Systems Architecture, Solution Architecture, Model Optimization, Cloud Computing Architecture, Scalability, MLOps (Machine Learning Operations), System Design and Implementation, Kubernetes, Data Engineering, Cloud Infrastructure, Docker (Software), Prometheus (Software)
Intermediate · Specialization · 1 - 3 Months

Scrum Alliance
Skills you'll gain: Prompt Engineering, User Story, Responsible AI, Business Metrics, Agile Product Development, Performance Metric, Performance Measurement, Prompt Engineering Tools, Data-Driven Decision-Making, Data Storytelling, Team Building, AI Workflows, Team Oriented, Team Performance Management, Product Planning, Brainstorming, AI powered creativity, Agile Project Management, Agile Methodology, Project Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Google Analytics, Conversion Funnel Analysis, Marketing Effectiveness, Smart Goals, Web Analytics and SEO, Data-Driven Marketing, Google Ads, Web Analytics, Digital Analysis, Marketing Analytics, Search Engine Optimization, Marketing Strategies, Customer Insights, Campaign Management, Performance Reporting, Target Audience, Business Reporting, Key Performance Indicators (KPIs), Performance Analysis, Data-Driven Decision-Making
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Computational Logic, Mathematical Modeling, Model Based Systems Engineering, Systems Design, Theoretical Computer Science, Verification And Validation, System Requirements, Systems Architecture, Automation Engineering, Functional Specification, Agentic systems, Control Systems, Mechanics, Requirements Analysis, Systems Analysis, Safety Assurance, Linear Algebra, Mathematical Theory & Analysis, Differential Equations, Algorithms
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Empathy & Emotional Intelligence, Meeting Facilitation, Empathy, Emotional Intelligence, Negotiation, Team Collaboration, Conflict Management, Constructive Feedback, Teamwork, Team Building, Self-Awareness, Active Listening, Rapport Building, Relationship Building, Collaboration, Self-Discipline, Problem Solving, Public Speaking, Decision Making, Self-Motivation
Beginner · Specialization · 3 - 6 Months