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.

EDUCBA
Skills you'll gain: Scripting, Object Oriented Programming (OOP), Data Structures, Scripting Languages, Python Programming, Maintainability, Programming Principles, Development Environment, Software Installation, Virtual Environment
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Linux, Linux Commands, Computer Systems, Command-Line Interface, Cybersecurity, Computer Architecture, Network Security, Vulnerability Assessments, Hardware Architecture, Application Security, Threat Detection, Authorization (Computing), Network Protocols, Virtual Private Networks (VPN), Operating Systems, Authentications, Network Monitoring, TCP/IP, Network Analysis
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Systems Architecture, Software Design, System Design and Implementation, System Programming, Embedded Systems, Requirements Analysis, Linux, System Requirements, Verification And Validation, Real Time Data, Application Performance Management, Performance Testing, Computer Vision, Image Analysis, Debugging
Advanced · Course · 1 - 3 Months

Edureka
Skills you'll gain: Angular, Application Deployment, JavaScript Frameworks, Software Testing, Test Tools, Web Development Tools, Unit Testing, Application Performance Management, CI/CD, Continuous Integration, Web Applications, TypeScript, Ajax, Application Lifecycle Management, Secure Coding, Web Development, Code Coverage, Software Architecture, Command-Line Interface, Version Control
Intermediate · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Content Creation, Social Media, Facebook, Social Media Marketing, Pay Per Click Advertising, Social Media Content, Online Advertising, Campaign Management, Performance marketing, Social Media Campaigns, Advertising, Pinterest, Advertising Campaigns, Social Media Strategy, Instagram, Branding, Digital Content, Social Media Management, Lead Generation, Digital Advertising
Beginner · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Java, Object Oriented Programming (OOP), Education Software and Technology, Computer Programming, Digital pedagogy, Program Development, Debugging, Data Structures
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: API Testing, Software Documentation, API Design, Application Programming Interface (API), Test Tools, Technical Documentation, Restful API, JSON, YAML, Software Design
Beginner · Guided Project · Less Than 2 Hours

Universitat Autònoma de Barcelona
Skills you'll gain: Performance Appraisal, Recruitment, Training and Development, Employee Onboarding, Employee Training, Talent Acquisition, Workforce Development, Human Resources, Business Ethics, Negotiation, Employee Performance Management, Adaptability, Conflict Management, Organizational Development, Organizational Structure, Qualitative Research, Organizational Leadership, Leadership, Decision Making, Team Performance Management
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: AI Security, Responsible AI, Threat Modeling, DevSecOps, Governance Risk Management and Compliance, Compliance Management, Data Ethics, Data Governance, Model Evaluation, Reinforcement Learning, Risk Management, Prompt Engineering, Governance, Regulatory Compliance, Security Testing, MLOps (Machine Learning Operations), MITRE ATT&CK Framework, Continuous Monitoring, Ethical Standards And Conduct, Vulnerability Assessments
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Intellectual Property, Ideation, Brand Strategy, Adobe Express, Adobe Firefly, Creative Problem-Solving, Target Audience, Conceptual Design, Creative Thinking, Branding, Creativity, Graphic Design, Entrepreneurship, Design, Adobe Photoshop, Business Strategy, Adobe Illustrator, Artificial Intelligence, Communication, Digital Marketing
Beginner · Specialization · 1 - 3 Months
University of Maryland, College Park
Skills you'll gain: Unstructured Data, Financial Data, Financial Statement Analysis, Image Analysis, Finance, Financial Analysis, Accounting, Emerging Technologies, Artificial Intelligence, Text Mining, Annual Reports, Machine Learning, Trend Analysis, Data-Driven Decision-Making, Natural Language Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Video Production, Web Analytics and SEO, Media Production, Driving engagement, Content Strategy, Video Editing, Content Performance Analysis, Content Creation, Web Content, Live Streaming, Storytelling, Scripting
Beginner · Course · 1 - 4 Weeks