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.

Skills you'll gain: Threat Modeling, IT Security Architecture, Secure Coding, Application Security, Security Testing, Security Strategy, Security Requirements Analysis, Software Development Methodologies, Software Development Life Cycle, Systems Architecture, DevSecOps, Cyber Security Strategy, Penetration Testing, Business Risk Management, Compliance Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Functional Design, Performance Tuning, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Human Resource Strategy, Human Resources, Responsible AI, AI Enablement, Miro AI, Data Ethics, Workflow Management, Employee Retention, Agentic Workflows, Talent Management, Succession Planning, Talent Acquisition, Talent Recruitment, Personally Identifiable Information, Automation, AI Personalization, Artificial Intelligence and Machine Learning (AI/ML), Digital Transformation, Performance Analysis
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Import/Export, Extract, Transform, Load, Google Cloud Platform, Data Warehousing, Big Data, Database Design, Data Analysis
Beginner · Project · Less Than 2 Hours
National Taiwan University
Skills you'll gain: Aesthetics, Public History, Art History, Liberal Arts, Ancient History, Creativity, Storytelling, Writing, Design
Beginner · Course · 1 - 3 Months

Skills you'll gain: Secure Coding, .NET Framework, Data Validation, Business Logic, Database Design, C# (Programming Language), Relational Databases, Databases, Billing Systems, Microsoft SQL Servers, Database Application, Application Development, Registration, Usability, Software Development Methodologies, Software Design, Application Design, Invoicing, SQL, Web Design and Development
Beginner · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Data Visualization Software, Empathy, Tableau Software, Risk Analysis, Data-Driven Decision-Making, Data Analysis, Risk Management, Empathy & Emotional Intelligence, Stakeholder Analysis, Business Risk Management, Human Centered Design, Decision Making, User Research, Risk Control, Psychology
Beginner · Course · 1 - 4 Weeks

Universidad Autónoma Metropolitana
Skills you'll gain: Computational Thinking, Lifelong Learning, Creative Thinking, Computer Programming, Critical Thinking, Willingness To Learn, Debugging, Problem Solving, digital literacy, Algorithms, Other Programming Languages
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Tensorflow, Computer Vision, Model Evaluation, Convolutional Neural Networks, Deep Learning, Amazon Elastic Compute Cloud, Transfer Learning, Image Analysis, Amazon Web Services, Artificial Neural Networks, Keras (Neural Network Library), Model Deployment, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Feature Engineering, Data Preprocessing, Classification Algorithms, Application Development, Python Programming, Network Architecture
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Software Quality Assurance, Quality Assurance, Software Testing, Jira (Software), Regression Testing, Functional Testing, Test Planning, Test Case, Usability Testing, Technical Communication, Issue Tracking, Agile Methodology, Software Documentation, Software Development, Agile Project Management, Risk Management, User Interface and User Experience (UI/UX) Design, Data Analysis, Problem Solving
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Advertising Campaigns, Advertising, User Feedback, Marketing Materials, Online Advertising, Business Research, Marketing, Promotional Materials, Market Research, Branding
Intermediate · Guided Project · Less Than 2 Hours