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.

HubSpot Academy
Skills you'll gain: Sales Presentations, Prospecting and Qualification, Persona Development, Sales Strategy, Sales Process, Target Audience, Sales Pipelines, Sales, Lead Generation, Customer Analysis, Email Automation, Prioritization, Customer Engagement
Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Generative AI, ChatGPT, OpenAI API, Microsoft Copilot, AI Workflows, Application Development, Code Review, Debugging
Intermediate · Course · 1 - 3 Months
Cisco Learning and Certifications
Skills you'll gain: Network Performance Management, Wireless Networks, Wide Area Networks, TCP/IP, Network Routing, Network Infrastructure, Performance Tuning, Network Monitoring, Network Troubleshooting, Routing Protocols, Network Planning And Design, Network Switches, Virtual Networking, Network Administration, Local Area Networks, Software-Defined Networking, Network Protocols, Network Analysis, IT Infrastructure, Configuration Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cascading Style Sheets (CSS), Web Design and Development, Scripting, Full-Stack Web Development, Object Oriented Programming (OOP), Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Content Strategy, Content Marketing, Content Performance Analysis, Web Content, Social Media Content, Paid media, Digital Content, Marketing Strategies, Content Creation, Email Marketing, Copywriting, Search Engine Optimization, Digital Advertising, Business-To-Consumer, Target Audience, Key Performance Indicators (KPIs), Customer Engagement, B2B Sales
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PyTorch (Machine Learning Library), Computer Vision, NumPy, Matplotlib, Convolutional Neural Networks, Deep Learning, Pandas (Python Package), Image Analysis, Python Programming, Artificial Neural Networks, Data Manipulation
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Blockchain, Interoperability, Network Architecture, Systems Architecture, Data Architecture, Solution Architecture, Information Technology Architecture, Enterprise Architecture, Authentications, Cryptography, Identity and Access Management, Emerging Technologies, Encryption, Threat Modeling, Enterprise Security, Scalability, Security Testing, Requirements Analysis, Prototyping
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Social Media Management, Social Media Content, Facebook, Calendar Management, Social Media, Content Creation, Social Media Marketing, Driving engagement, Scheduling, Marketing, Graphic Design, Digital Marketing
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Model View Controller, Spring Framework, Java, Security Assertion Markup Language (SAML), Web Applications, Software Design Patterns, Transaction Processing, Data Validation, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Product Testing, Laboratory Testing, Structural Engineering, Construction Inspection, Process Validation, Construction Engineering, Construction, Civil Engineering, Engineering Analysis, Simulation and Simulation Software, Safety Standards
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Google Cloud Platform, CI/CD, Cloud Infrastructure, Cloud Security, Continuous Integration, Application Deployment, Cloud Storage, Continuous Delivery, Role-Based Access Control (RBAC), Database Management, Authorization (Computing), Authentications, Identity and Access Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Content Creation, Target Audience, Storytelling, Brand Strategy, Branding, Social Media, Brand Awareness, Social Media Marketing, Brand Management, Content Marketing, Instagram, Market Opportunities, Value Propositions, Self-Awareness, Growth Strategies, Communication
Beginner · Course · 1 - 4 Weeks