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.

LearnQuest
Skills you'll gain: Threat Modeling, IT Security Architecture, Network Security, Internet Of Things, Identity and Access Management, Encryption, Security Engineering, Information Systems Security, Cybersecurity, Security Controls, Threat Management, Cloud Security, Vulnerability Assessments, Threat Detection, Cloud Solutions, Systems Architecture, Cryptography
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Construction Management, Project Controls, Construction Estimating, Project Schedules, Change Control, Contract Management, Timelines, Occupational Safety And Health, Scheduling, Project Coordination, Project Documentation, Communication Planning, Project Planning, Safety Assurance, Cost Control, Arbitration
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Amazon Web Services, Disaster Recovery, Serverless Computing, Cloud Computing Architecture, Solution Architecture, Cloud-Native Computing, Containerization, Cloud Engineering, Kubernetes, AWS Identity and Access Management (IAM), Hybrid Cloud Computing, Amazon Elastic Compute Cloud, Cloud Security, Cloud Solutions, Docker (Software), Cloud Services, Cloud Storage, Systems Architecture, Software Architecture, Cloud Computing
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Marketing Budgets, Competitive Analysis, Customer Acquisition Management, Digital Marketing, Marketing Strategies, Social Media Campaigns, Customer Retention, Marketing Analytics, Marketing Effectiveness, Advertising Campaigns, Performance Metric, Customer Analysis, Data-Driven Decision-Making, Peer Review
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: LLM Application, Tool Calling, Retrieval-Augmented Generation, Large Language Modeling, Generative AI Agents, AI Workflows, Context Management, Prompt Engineering, Agentic systems, Data Persistence, System Design and Implementation
Intermediate · Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Value Propositions, Social Media Marketing, Market Research, Social Media Strategy, Strategic Planning, Search Engine Optimization, Marketing Operations, Competitive Analysis, Data-Driven Decision-Making, Consumer Behaviour, Business Modeling, Customer Analysis, Web Analytics and SEO, Operations Management, Technical Management, Marketing Management, Digital Marketing, Branding, Google Ads, Forecasting
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: White-Box Testing, Test Planning, Test Case, Software Testing, Debugging, Functional Testing, Software Documentation, Software Quality Assurance, Development Testing, Test Data, Issue Tracking, Software Technical Review, Quality Assurance, Development Environment, Technical Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Organizational Change, Change Management, Business Transformation, Organizational Leadership, Organizational Strategy, Business Leadership, Strategic Leadership, Organizational Structure, Leadership, Leadership Development, Cross-Functional Collaboration, Stakeholder Engagement, Employee Engagement, Team Building, Communication Strategies, Lifelong Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure Synapse Analytics, Data Security, Databricks, Data Quality, Microsoft Azure, Data Storage Technologies, Data Storage, Data Transformation, Database Management, Data Processing, Data Cleansing, Data Lakes, Query Languages, Performance Tuning, Data Integration, Data Pipelines, Apache Spark, Encryption, Data Analysis, Real Time Data
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Construction Engineering, Structural Engineering, Construction, Civil Engineering, Engineering Practices, Structural Analysis, Engineering Design Process, Architecture and Construction, Engineering, Engineering Calculations, Maintenance, Repair, and Facility Services, Property Maintenance, Continuous Monitoring, Failure Analysis, Environmental Monitoring
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Angular, JavaScript Frameworks, Model View Controller, Javascript, Web Development Tools, Web Development, Software Development
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Global Positioning Systems, Journalism, Music, Political Sciences, Entrepreneurship, Systems Engineering, Culture, Aerospace Basic Quality System Standards, Media and Communications, International Relations, Governance, Higher Education, Public Policies, Physical Science, Liberal Arts, Geographic Information Systems, Physics, Engineering Design Process, Environmental Science, Writing
Beginner · Specialization · 3 - 6 Months