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: Distributed Denial-Of-Service (DDoS) Attacks, Metasploit, Penetration Testing, Exploitation techniques, Brute-force attacks, Cyber Security Assessment, Intrusion Detection and Prevention, Network Security, Remote Access Systems, Network Protocols, Command-Line Interface, Network Analysis
Mixed · Course · 1 - 4 Weeks

Alignor
Skills you'll gain: Influencing, Conflict Management, Diversity Awareness, Collaboration, Diversity and Inclusion, Cultural Diversity, Decision Making, Team Management, Workplace inclusivity, Discussion Facilitation, Communication, Leadership, Negotiation, Interactive Learning, Active Listening
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Containerization, Microservices, Authentications, OAuth, Application Deployment, Integration Testing, Event-Driven Programming, Data Migration, Application Programming Interface (API), Software Architecture, Software Design Patterns, Scalability, Systems Integration
Intermediate · Course · 1 - 3 Months

NIIT
Skills you'll gain: React.js, Front-End Web Development, Systems Development Life Cycle, Application Development, User Interface and User Experience (UI/UX) Design, UI Components, User Flows, Unit Testing, Data Validation, Javascript
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Relational Databases, Data Visualization Software, Databases, MySQL, Database Design, Database Systems, SQL, Database Management Systems, Database Management, Query Languages, Object Oriented Programming (OOP), Data Storage, Data Processing, Web Scraping, Python Programming, Data Collection, Display Devices
Mixed · Course · 1 - 3 Months

Skills you'll gain: Cultural Diversity, English Language, Verbal Communication Skills, Social Skills, Interpersonal Communications, Communication, Planning, Grammar, Vocabulary, Relationship Building, Detail Oriented
Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Zero Trust Network Access, Cybersecurity, Vulnerability Assessments, Cyber Security Strategy, Cyber Security Assessment, IT Security Architecture, Network Security, Threat Modeling, Security Strategy, Security Controls, Cloud Security, Authentications, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), Interactive Design, User Interface and User Experience (UI/UX) Design, Unreal Engine, Game Design, Artificial Intelligence, Scripting, Video Game Development, Data Structures, Debugging
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Pandas (Python Package), NumPy, Data Structures, Data Import/Export, Data Manipulation, Data Cleansing, Statistical Methods, Data Analysis, Exploratory Data Analysis
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Java Programming, Java, System Programming, OS Process Management, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, Web Components, Responsive Web Design, Application Deployment, Database Management, Databases, Web Design and Development, JavaScript Frameworks, Web Development Tools, Authentications, Application Development, Email Automation, Restful API, Web Design, Front-End Web Development, OpenAI API, TypeScript, Payment Systems, Cascading Style Sheets (CSS), User Interface (UI)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Engineering, LLM Application, AI Workflows, AI Orchestration, No-Code Development, OpenAI API, Tool Calling, Generative AI Agents, Vector Databases, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months