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.

Cisco Learning and Certifications
Skills you'll gain: Network Troubleshooting, Hybrid Cloud Computing, Telecommunications, Collaboration, Dynamic Host Configuration Protocol (DHCP), Wide Area Networks, User Provisioning, Virtual Private Networks (VPN), Network Support, Cloud Deployment, Cloud-Based Integration, Firewall, Network Performance Management, Network Administration, Session Initiation Protocols, System Configuration, Network Monitoring, Identity and Access Management, Administration, Product Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: JavaScript Frameworks, Angular, Amazon Elastic Compute Cloud, Server Side, Development Testing, JSON, Maintainability
Intermediate · Course · 3 - 6 Months
Starweaver
Skills you'll gain: Cyber Threat Hunting, Splunk, Threat Detection, Jupyter, Anomaly Detection, Threat Management, Cybersecurity, Data Analysis, Data Science, Applied Machine Learning, Security Information and Event Management (SIEM), Pandas (Python Package), Interactive Data Visualization, Data Cleansing, Data Transformation, MLOps (Machine Learning Operations), Unsupervised Learning, Machine Learning Methods, Automation
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Traffic Flow Optimization, Architectural Design, Sustainable Development, Stormwater Management, Building Codes, Community Development, Land Development, Public Works, Sustainable Architecture, Landscape Architecture, Transportation Operations, Civil Engineering, Case Studies, Environmental Engineering, Building Design, Economic Development, Land Management, Sustainable Design, Sustainable Technologies, Environmental Science
Intermediate · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Prompt Engineering, Business Writing, ChatGPT, Social Media Content, Marketing Automation, Business Marketing, Copywriting, Email Automation, Writing, Social Media Campaigns, Marketing Communications, Business Ethics, Brainstorming, Content Creation, Content Strategy, Social Media Marketing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, Prompt Engineering, LLM Application, AI Workflows, Generative AI Agents, Front-End Web Development, Context Management, Vector Databases, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Computer Vision, Image Analysis, Classification Algorithms, Convolutional Neural Networks, Machine Learning Algorithms, Supervised Learning, Machine Learning, Deep Learning, Artificial Intelligence, Model Evaluation, Algorithms
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Spring Framework, Object-Relational Mapping, Transaction Processing, Data Persistence, Database Systems, Java, Data Access, Restful API, Web Services, Middleware
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Oral Comprehension, Learning Management Systems, Education Software and Technology, Digital pedagogy, Teaching, Writing, Literacy, Technology Strategies, Grammar, English Language, Language Competency, Language Learning, digital literacy, Vocabulary, Innovation
Beginner · Specialization · 3 - 6 Months

University at Buffalo
Skills you'll gain: Blockchain, Cryptography, Transaction Processing, Network Protocols, Encryption, Data Structures, Distributed Computing, FinTech, Data Integrity, Emerging Technologies, Virtual Machines, Data Validation, Algorithms, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Web Scraping, Data Structures, Git (Version Control System), Generative AI, Version Control, Matplotlib, Devops Tools, Plotly, DevOps, Agile Methodology, Web Development, Data Ethics, Flask (Web Framework), Data Visualization, Scripting, GitHub, Debugging, Data Analysis, Automation, Cloud Computing
Beginner · Professional Certificate · 3 - 6 Months

Microsoft
Skills you'll gain: Storyboarding, User Research, Information Architecture, User Experience Design, Persona (User Experience), Design Research, Design Thinking, User Centered Design, Innovation, Creativity
Mixed · Course · 1 - 3 Months