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: SQL, Oracle Databases, Database Management, Database Development, Relational Databases, Database Design, Databases, Query Languages, Data Maintenance
★ 4.6 (167) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: WordPress, Search Engine Optimization, Web Analytics and SEO, Blogs, Content Optimization, Web Analytics, Content Performance Analysis, Web Content, Keyword Research, Content Management, Marketing, Analytics, Web Design, Web Development, User Experience
★ 4.5 (799) · Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: NoSQL, MongoDB, Database Development, Database Systems, Databases, Database Management Systems, Database Management, Database Software, Database Administration, Information Management, Apache Cassandra, Database Theory, Database Architecture and Administration, Distributed Computing, Query Languages, Data Modeling, IBM Cloud, Cloud Applications, Data Manipulation, JSON
★ 4.6 (380) · Beginner · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Digital Transformation, Data Sharing, Manufacturing Operations, Product Design, Business Transformation, Data Storage Technologies, Document Management, Product Lifecycle Management, Data Storage, Process Management, Data Strategy, Interoperability, Innovation, Goal Setting
★ 4.6 (820) · Beginner · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Biochemistry, Molecular, Cellular, and Microbiology, Biochemical Assays, Molecular Biology, Cell Biology, Chemistry, Biotechnology, Biological Engineering, Laboratory Research, Laboratory Techniques, Scientific Visualization, Biology, Specimen Labeling
★ 4.6 (172) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Visual Storytelling, Content Performance Analysis, Photo/Video Production and Technology, Video Editing, Social Media, Photography, Brand Marketing, Brand Strategy, Photo Editing, Branding, Social Media Campaigns, Performance Analysis, Driving engagement, Social Media Analytics, Content Optimization
★ 4 (35) · Beginner · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Prompt Engineering, Responsible AI, Generative AI, Generative Model Architectures, Code Review, Data Ethics, AI Workflows, AI literacy, Artificial Intelligence, Object Oriented Programming (OOP), Software Technical Review, Risking, Machine Learning Methods, Artificial Neural Networks, Data Preprocessing, AI powered creativity, Debugging, Problem Solving, Critical Thinking, Data Analysis
★ 4.6 (227) · Beginner · Specialization · 1 - 3 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Epidemiology, Graph Theory, Infectious Diseases, Program Development, Molecular Biology, Molecular, Cellular, and Microbiology, Computational Thinking, Algorithms, Software Development
★ 4.5 (351) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Social Media Content, Search Engine Optimization, Social Media Marketing, Brand Marketing, Brand Awareness, Digital Brand Strategy, Digital Marketing Tools, Branding, Social Media Management, Digital Marketing, Brand Strategy, Marketing Design, Marketing, Web Presence, Brand Management, Marketing Materials, Web Design and Development
★ 4.6 (376) · Beginner · Guided Project · Less Than 2 Hours

New York University
Skills you'll gain: Network Security, Firewall, IT Security Architecture, Distributed Denial-Of-Service (DDoS) Attacks, Network Architecture, Intrusion Detection and Prevention, TCP/IP, Cybersecurity, Threat Detection, Cyber Threat Intelligence, Cyber Attacks, Security Controls, Enterprise Security, Network Protocols, Proxy Servers
★ 4.7 (661) · Intermediate · Course · 1 - 4 Weeks

Universidad de Palermo
Skills you'll gain: E-Commerce, Branding, Entrepreneurship, Web Presence, Sales, Social Media, Business Development, Retail Management, Social Media Marketing, Logistics Management, Payment Systems, Web Design and Development, Logistics, User Experience, Inventory Management, Market Trend
★ 4.8 (184) · Beginner · Course · 1 - 4 Weeks

Palo Alto Networks
Skills you'll gain: Cybersecurity, Cyber Attacks, Network Security, Zero Trust Network Access, Malware Protection, IT Security Architecture, Firewall, Computer Security, AI Security, Cyber Threat Intelligence, Endpoint Security, Endpoint Detection and Response, Security Architecture Review, Exploitation techniques, Cloud Security, System Configuration, Cloud Computing, Software As A Service, Cryptography, Authentications
★ 4.6 (557) · Intermediate · Course · 1 - 3 Months