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.

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Risk Management, Risk Analysis, Risk Management Framework, Business Risk Management, Project Risk Management, Sustainable Architecture, Building Information Modeling, Internet Of Things, Data Infrastructure, Infrastructure Architecture, Facility Management, Sustainable Design, Customer experience improvement, Self Service Technologies, Driving engagement, Customer Relationship Management (CRM) Software, Business Strategy, Business, Technology Strategies, Behavioral Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Web Development, PHP (Scripting Language), Web Design and Development, Content Management, Web Applications, HTML and CSS, Hypertext Markup Language (HTML), Scripting Languages, Frontend Integration, Software Engineering
★ 4.1 (9) · Intermediate · Guided Project · Less Than 2 Hours

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Google Gemini, Campaign Management, Google Ads, Digital Marketing Tools, Prompt Engineering Tools, Market Research, Google Workspace, Marketing Operations, Report Writing, Google Docs, Digital Marketing Campaigns, Digital Marketing, Content Creation, Target Audience, Content Optimization, Marketing Planning, Generative AI, Search Engine Optimization, Web Analytics and SEO
Beginner · Course · 1 - 3 Months

Skills you'll gain: Google Analytics, Marketing Analytics, Performance Reporting, Looker (Software), Data-Driven Marketing, Web Analytics and SEO, Customer Analysis, Conversion Funnel Analysis, Dashboard Creation, Digital Analysis, Marketing Strategies, Search Engine Optimization, Data Storytelling, Analytics, Predictive Analytics, Analysis, Data Visualization, Target Audience, Process Improvement and Optimization, Process Optimization
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Unreal Engine, Data Structures, Debugging, Video Game Development, Game Design, Scripting, Code Reusability, Event-Driven Programming, Object Oriented Programming (OOP), Data Management, Software Design
Intermediate · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Sales, Selling Techniques, Sales Strategy, Meeting Facilitation, Sales Prospecting, General Sales Practices, Sales Presentations, Overcoming Objections, Team Oriented, Storytelling, Constructive Feedback, Verbal Communication Skills, Communication, Peer Review
Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Metasploit, Exploitation techniques, Cloud Security, Vulnerability Scanning, Security Testing, Network Security, Application Security, Vulnerability Assessments, Cybersecurity, Mobile Security, Wireless Networks, Human Factors (Security), Network Analysis, Linux, Technical Communication
Advanced · Course · 3 - 6 Months

Dartmouth College
Skills you'll gain: Kinesiology, Human Musculoskeletal System, Scientific Methods, Science and Research, Anatomy, Research, Mechanics, Physiology, Anthropology, Biology, Scientific Visualization, 3D Assets, Infographics, Image Analysis
★ 4.6 (7) · Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Teradata SQL, Exploratory Data Analysis, SQL, Data Modeling, Database Design, Database Administration, Database Systems, Database Architecture and Administration, Database Management, Database Management Systems, Data Store, JSON, Data Integration, Relational Databases, Data Architecture, Advanced Analytics, Analytics, Data Analysis, Business Intelligence, Data-Driven Decision-Making
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Key Management, Cryptography, Cryptographic Protocols, Advanced Encryption Standard (AES), Cybersecurity, IT Security Architecture, Public Key Infrastructure, Public Key Cryptography Standards (PKCS), Encryption, Cyber Security Policies, Network Security, Computer Security, Quantum computing, NIST 800-53, Information Privacy, Security Management, Risk Management, Network Protocols, Negotiation, Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Web Services, Java, Cascading Style Sheets (CSS), Data Mapping, Browser Compatibility, Data Validation, Memory Management
★ 4.4 (12) · Intermediate · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Prompt Engineering, Prompt Patterns, Context Engineering, Token Optimization, Data Ethics, Fine-tuning, Large Language Modeling
Mixed · Course · 1 - 4 Weeks