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: AI Security, Threat Detection, Large Language Modeling, Intrusion Detection and Prevention, LLM Application, Cybersecurity, Cyber Security Strategy, Applied Machine Learning, Fraud detection, AI Integrations, Cyber Engineering, IT Automation, Machine Learning Methods, Cyber Attacks, Anomaly Detection, Federated Learning, Malware Protection, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Cyber Risk
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Stored Procedure, Database Development, SQL, Database Management, Database Architecture and Administration, Test Script Development, Data Integrity, Query Languages, Performance Tuning, Continuous Deployment, Data Transformation, Data Migration, CI/CD, Jest (JavaScript Testing Framework), Verification And Validation, Debugging, Auditing, Plan Execution, Statistical Hypothesis Testing, Computer Graphic Techniques
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Consultative Approaches, Consulting, People Analytics, Employee Coaching, Active Listening, Anthropic Claude, Rapport Building, Project Scoping, ChatGPT, Overcoming Objections, Needs Assessment, Data Storytelling, Requirements Elicitation, Stakeholder Management, AI Personalization, Expectation Management, Problem Solving, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Robotic Process Automation, Test Automation, Business Process Automation, Automation, Computer Vision, Debugging, Development Testing, Image Analysis, Data Mapping, User Interface (UI), Data Import/Export, AI Enablement, Application Frameworks, Event-Driven Programming, Transaction Processing
Advanced · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Infrastructure, Google Cloud Platform, Infrastructure Architecture, Model Optimization, Model Training, Interoperability, Hardware Architecture, Computer Architecture
Intermediate · Course · 1 - 4 Weeks

University of Arizona
Skills you'll gain: Web Analytics, Search Engine Marketing, Pay Per Click Advertising, Data-Driven Marketing, User Experience Design, Google Ads, Search Engine Optimization, Digital Marketing, Digital Marketing Campaigns, Campaign Management, Content Marketing, Cross-Channel Marketing, Digital Brand Strategy, Keyword Research, Data-Driven Decision-Making, Marketing Analytics, Marketing Strategy and Techniques, Marketing Planning, Customer Engagement, Target Audience
Intermediate · Specialization · 3 - 6 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Vibe coding, AI Workflows, Generative AI Agents, Generative AI, AI Personalization, Software Development Tools, GitHub, Application Development, Artificial Intelligence, Code Review, Responsible AI, Design Software, Web Development Tools, Front-End Web Development, Software Development, React.js, Javascript, Web Development, Software Engineering
★ 4.6 (9) · Beginner · Course · 1 - 3 Months
Chris Croft Training
Skills you'll gain: Goal Setting, Goal-Oriented, Professional Networking, Interviewing Skills, Professional Development, Assertiveness, Smart Goals, Professionalism, Presentations, Oral Expression, Communication, Personal Development, Leadership, Leadership and Management, Motivational Interviewing, Time Management, Job Evaluation, Negotiation, Leadership Development, Job Analysis
Beginner · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Generative AI Agents, Agentic Workflows, AI Workflows, Workflow Management, AI Enablement, Agentic systems, Artificial Intelligence, Business Process Automation, Email Automation, Generative AI, AI literacy, Automation, Prompt Engineering, Decision Intelligence, Tool Calling, Emerging Technologies
★ 4.7 (1.3K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Modeling, Data Transformation, Database Design, Data Engineering, Dashboard, Dashboard Creation, Cloud Engineering, Analytics, Star Schema, Data Warehousing, Data Architecture, Data Integration, Extract, Transform, Load, Business Intelligence, Business Intelligence Software, Data Infrastructure, Data Analysis, Cloud Computing Architecture, Data Pipelines, Cloud Infrastructure
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Validation, Data Quality, SQL, Data Integrity, Verification And Validation, Unit Testing
Advanced · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Android Development, Android Studio, Mobile Development, User Interface (UI), Mobile Development Tools, Kotlin, Application Development, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, UI Components, Mobile Security, Data Persistence, Data Management, Geographic Information Systems, Restful API, Performance Tuning, Global Positioning Systems, Application Programming Interface (API), Cloud Storage, Application Performance Management
Intermediate · Course · 1 - 3 Months