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.

Scrimba
Skills you'll gain: Node.JS, Web Frameworks, Server Side, Application Servers, Web Applications, Web Servers, Restful API, JSON, Middleware, API Design, Real Time Data, Routing Protocols
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Innovation, Lesson Planning, Education Software and Technology, Digital pedagogy, Learning Management Systems, Instructional Strategies, Pedagogy, Telecommuting, Teamwork, Collaboration, Student-Centred Learning, Student Engagement, Community Development, Instructional Design, Classroom Management, Learning Strategies, Virtual Environment, Creative Thinking, digital literacy, Artificial Intelligence
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Programming Principles, Java, Data Structures, Program Development, Eclipse (Software), Object Oriented Programming (OOP), Computer Programming, Debugging, Application Programming Interface (API), Database Application
Intermediate · Course · 1 - 4 Weeks

Zoho Corporation
Skills you'll gain: Sales Process, Sales Training, Sales, Sales Presentation, Selling Techniques, Closing (Sales), Sales Strategy, Sales Management, Verbal Communication Skills, Customer Relationship Management, Customer Relationship Management (CRM) Software, Communication, Active Listening, Business Software, Business Writing, Collaboration, Negotiation, Problem Solving, Value Propositions, Critical Thinking
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Scripting, Python Programming, Programming Principles, Development Environment, Virtual Environment
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Usability Testing, Software Testing, Software Quality (SQA/SQC), Test Planning, Human Centered Design, Technical Communication, User Experience Design, User Research, UI/UX Research, User Interface (UI), Web Content Accessibility Guidelines, Stakeholder Engagement
Advanced · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Looker (Software), Dashboard, Data Modeling, Digital Transformation, Pivot Tables And Charts, Real Time Data, Data Governance, Google Cloud Platform, Data Presentation, Data Warehousing, Data Management, Cloud Storage, Data Transformation, Data Analysis, Big Data, Data Visualization Software, Analytics, Database Design, Performance Tuning, Exploratory Data Analysis
Intermediate · Specialization · 3 - 6 Months

SkillUp
Skills you'll gain: Healthcare 5.0, Artificial Intelligence and Machine Learning (AI/ML), AI Enablement, Jupyter, LLM Application, Generative Model Architectures, AI Product Strategy, Model Evaluation, Multimodal Prompts, Health Systems, Health Information Management, Data Preprocessing, Data Analysis
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Ethics, Predictive Modeling, No-Code Development, Model Deployment, Data Visualization, Data Presentation, Responsible AI, Data-Driven Decision-Making, Advanced Analytics, Business Intelligence, Business Analytics, Data Cleansing, Business Reporting, Global Marketing, LLM Application, AI Enablement, User Feedback, Data Preprocessing, Predictive Analytics, Data Architecture
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Compliance Reporting, Prompt Engineering, Google Gemini, AI Workflows, Compliance Management, Microsoft Copilot, Generative AI, Business Process Automation, Regulatory Requirements, Data Validation, Business Workflow Analysis, Process Design, Verification And Validation, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Brand Strategy, Presentations, Branding, Design Thinking, Style Guides, Marketing Strategies, Graphic and Visual Design, Adobe Illustrator, Adobe Photoshop, Target Audience, Color Theory, Competitive Analysis
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Keyword Research, Web Analytics and SEO, Search Engine Optimization, Search Engine Marketing, Marketing, Google Analytics, Case Studies, Market Research, Content Strategy, Competitive Analysis
Mixed · Course · 1 - 3 Months