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.

Northwestern University
Skills you'll gain: Leadership, Negotiation, Organizational Leadership, Teamwork, Leadership Development, Leadership and Management, Team Management, Team Building, People Development, Collaboration, Professional Development, Employee Coaching, Personal Development, Emotional Intelligence, Decision Making, Goal Setting
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Continuous Delivery, Web Services, Software Testing, Test Execution Engine
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Jenkins, Kubernetes, Docker (Software), Devops Tools, DevOps, Continuous Integration, Containerization, Application Deployment, Cloud Deployment, GitHub, Version Control, System Configuration
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Marketing Psychology, Marketing Planning, Marketing Strategies, Blogs, Marketing, Web Analytics and SEO, Marketing Effectiveness, Podcasting, Video Production, Growth Strategies, Social Media Content, Search Engine Optimization, Marketing Channel, Content Creation, Advertising Campaigns, Product Promotion, Digital Advertising, Marketing Automation, Case Studies, Professional Networking
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Systems Development Life Cycle, Security Controls, Software Testing, Cybersecurity, Risk Management Framework
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Kanban Principles, Lean Six Sigma, Project Closure, Six Sigma Methodology, Return On Investment, Process Improvement, Lean Methodologies, Quality Improvement, Business Metrics, Production Process, Continuous Improvement Process, Operational Excellence, Statistical Process Controls, Workflow Management, Risk Control, Financial Analysis, Project Controls, Cost Benefit Analysis, Operational Analysis, Visual Design
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Theoretical Computer Science, Algorithms, Graph Theory, Data Structures, Operations Research, Public Key Cryptography Standards (PKCS), Cryptography, Programming Principles, Computational Thinking, Pseudocode, Design Strategies, Computer Science, Tree Maps, Encryption, Linear Algebra, Combinatorics, Data Science, Mathematical Modeling, Advanced Mathematics, Python Programming
Build toward a degree
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: React Native, Mobile Development, React Redux, Ajax, User Interface and User Experience (UI/UX) Design, Front-End Web Development, Javascript, React.js, Data Structures, Application Development, Apple iOS, Debugging, iOS Development, JavaScript Frameworks, User Story, Android Development, UI Components, Cross Platform Development, JSON, Flutter (Software)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Unity Engine, Animation and Game Design, Game Design, Video Game Development, Animations, User Interface (UI), 3D Assets, Artificial Intelligence, C# (Programming Language), Scripting, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, Data Lakes, Apache Airflow, Performance Tuning, Data Security, Data Transformation, Apache Spark, Disaster Recovery, Data Warehousing, Cloud Infrastructure, Infrastructure as Code (IaC), Database Architecture and Administration, PySpark, Terraform, Extract, Transform, Load, Data Architecture, Data Integration, Cloud Computing, SQL, Data Governance
Intermediate · Specialization · 3 - 6 Months

Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Classification And Regression Tree (CART), Model Deployment, Decision Tree Learning, Predictive Modeling, Model Evaluation, Feature Engineering, Machine Learning Methods, Random Forest Algorithm, Applied Machine Learning, Performance Tuning, Statistical Machine Learning, Scikit Learn (Machine Learning Library), Performance Analysis
Intermediate · Course · 1 - 4 Weeks