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.

Northeastern University
Skills you'll gain: Software Quality Assurance, Test Automation, Usability Testing, Quality Assurance, Software Testing, Usability, Test Tools, Software Development Life Cycle, Selenium (Software), Acceptance Testing, Test Script Development, Back-End Web Development, API Testing, Test Case, User Experience Design, Human Computer Interaction, Functional Testing, Cloud Computing, Database Management Systems, Leadership
Intermediate · Course · 1 - 3 Months

Creo Incubator
Skills you'll gain: Business Modeling, Design Thinking, Entrepreneurship, Ideation, Problem Solving, Value Propositions, Brainstorming, Creative Thinking, Innovation, Customer Insights, Market Opportunities, Lean Methodologies, Critical Thinking, Growth Mindedness, Open Mindset, Adaptability
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Dashboard, Business Intelligence, Data Modeling, Data Storytelling, Extract, Transform, Load, Data Transformation, Data Visualization, Snowflake Schema, Business Analytics, Data Lakes, Data-Driven Decision-Making, Key Performance Indicators (KPIs), Data Analysis, Data Governance, Python Programming, Generative AI, Artificial Intelligence, Data Security
Intermediate · Specialization · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Computer Vision, Image Analysis, Classification Algorithms, Convolutional Neural Networks, Machine Learning Algorithms, Supervised Learning, Machine Learning, Deep Learning, Artificial Intelligence, Model Evaluation, Algorithms
Mixed · Course · 1 - 3 Months

Niel Asher Education
Skills you'll gain: Sports Medicine, Nutrition and Diet, Nutrition Care Plans, Nutritional Assessment, Athletic Training, Nutrition Education, Meal Planning And Preparation, Needs Assessment, Physical Therapy, Manual Therapy
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Account Management, Consultative Selling, Selling Techniques, Business Risk Management, Upselling, Business Metrics, Business Communication, Overcoming Objections, Sales Process, Solution Selling, Business Transformation, Virtual Teams, Customer Engagement, Strategic Thinking, Stakeholder Engagement, Innovation, Strategic Communication, Stakeholder Analysis, Value Propositions, Business Analytics
Beginner · Specialization · 1 - 3 Months

AI CERTs
Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Prompt Patterns, Responsible AI, OpenAI, LLM Application, Generative AI, LangChain, Generative AI Agents, ChatGPT, Vibe coding, Natural Language Processing, Artificial Intelligence, AI Personalization, Debugging, Ideation, Productivity, Code Review, Computer Programming Tools, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization Software, Database Design, Shiny (R Package), Data Visualization, Data Wrangling, Dashboard, Exploratory Data Analysis, Relational Databases, Data Analysis, Ggplot2, Model Evaluation, Data Presentation, SQL, Plot (Graphics), Databases, Data Manipulation, Web Scraping, R Programming
Beginner · Specialization · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Blogs, Pay Per Click Advertising, Search Engine Optimization, Social Media Marketing, Product Promotion, Web Analytics and SEO, Keyword Research, Content Marketing, Online Advertising, Marketing, Lead Generation, Email Marketing, WordPress, Copywriting, Target Audience
Mixed · Course · 1 - 3 Months

Skills you'll gain: Service Management, Information Technology Infrastructure Library, IT Service Management, Systems Integration, Control Objectives for Information and Related Technology (COBIT), Supplier Relationship Management, Strategic Sourcing, Risk Management Framework, Governance, Process Management, Process Improvement and Optimization, Risk Management, Continuous Improvement Process, Organizational Change, Performance Measurement, Lean Methodologies
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Accounting Software, Data Validation, QuickBooks (Accounting Software), Expense Management, Accounting Records, Data Entry, Verification And Validation, Financial Reporting, Productivity Software, Spreadsheet Software, Microsoft Excel
Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Professional Networking, Intercultural Competence, Teamwork, LinkedIn, Intellectual Property, Collaboration, Professional Development, Communication, Productivity, Cultural Responsiveness, Accountability, Conflict Management, Self-Awareness, Personal Development, Interviewing Skills, Data Management, Planning, Resilience
Beginner · Course · 1 - 3 Months