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.

LearnQuest
Skills you'll gain: Recognizing Others, Sales Management, Team Motivation, Employee Onboarding, Conflict Management, Drive Engagement, Team Leadership, Sales Process, Virtual Teams, Team Management, Teamwork, Intercultural Competence, Performance Management, Collaboration, Rapport Building, Smart Goals, Meeting Facilitation, Goal Setting, Coaching, Constructive Feedback
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Miro AI, Customer Engagement, Responsible AI, AI Product Strategy, No-Code Development, Customer experience improvement, Email Automation, Customer Service, Customer Analysis, Automation, Generative AI, Customer Data Management, Customer Communications Management, Customer Relationship Management (CRM) Software, Customer Support, Workflow Management, Artificial Intelligence, Customer and Client Support, Agentic systems, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, Database Design, API Design, MongoDB, Database Management, Authentications, Relational Databases, Performance Tuning, Databases, Authorization (Computing), NoSQL, SQL, Frontend Integration, Node.JS, Scalability
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Image Analysis, Data Analysis Software, Data Analysis, Scientific Visualization, Histogram, Analysis, Exploratory Data Analysis, Software Installation
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Collaborative Software, Graphic and Visual Design Software, Content Creation, Photo Editing, Graphics Software, Graphic Design
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Responsible AI, Open Source Technology, Data Ethics, AI Security, Artificial Intelligence, Large Language Modeling, Transfer Learning, Generative AI, Model Evaluation, Model Deployment, Information Privacy, Data Security
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Encryption, Cryptography, Security Engineering, Data Security, Cybersecurity
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Cloud Platform, Network Performance Management, Network Planning And Design, Cloud Computing, Virtual Machines, Network Routing, Load Balancing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Project Schedules, Project Planning, Budget Management, Communication Planning, Milestones (Project Management), Timelines, Project Performance, Team Leadership, Project Estimation, Performance Metric, Performance Analysis, Gap Analysis, Estimation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Marketing, Social Media Content, Social Media, Graphic Design, Storytelling, Instagram, Content Creation
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Adobe After Effects, Computer Graphics, 3D Modeling, 3D Assets, Animation and Game Design, Motion Graphics, Post-Production, Video Editing, Virtual Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Timelines, Database Design, Workflow Management, Project Management Software, Client Services, Customer Relationship Management (CRM) Software, Productivity Software, Project Management, Collaborative Software, Process Improvement and Optimization
Mixed · Course · 1 - 4 Weeks