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.

Whizlabs
Skills you'll gain: Amazon DynamoDB, Amazon Web Services, NoSQL, Database Management, Query Languages, JSON, Data Storage, Disaster Recovery, Data Manipulation, Scalability
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Debugging, HTML and CSS, Web Development, Mobile Development, Database Application, Responsive Web Design, Real Time Data, User Interface (UI) Design, Secure Coding, Javascript, Data Storage Technologies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft SQL Servers, Transact-SQL, SQL, Transaction Processing, Stored Procedure, Data Manipulation, Database Management, Query Languages, Relational Databases, Database Architecture and Administration, Databases, Data Integrity
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Microsoft Azure, Role-Based Access Control (RBAC), Azure Active Directory, Authorization (Computing), Authentications, Identity and Access Management, Cloud Infrastructure, Cloud Computing, Cloud Security, Single Sign-On (SSO), Kubernetes, Encryption, Data Integration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Game Design, Animation and Game Design, Video Game Development, User Interface (UI), UI Components, Debugging, Scripting, C# (Programming Language)
Mixed · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Traffic Flow Optimization, Civil Engineering, Stormwater Management, Structural Engineering, Hydrology, Hydraulics, Construction, Safety Standards, Geometric Dimensioning And Tolerancing, Engineering Design Process
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Network Security, Virtual Local Area Network (VLAN), Network Planning And Design, Network Architecture, Network Routers, Infrastructure Security, General Networking, Authentications, Network Switches
Beginner · Guided Project · Less Than 2 Hours

INSEAD
Skills you'll gain: Blockchain, Digital Assets, FinTech, Business Transformation, Governance, Cryptography, Financial Inclusion, Business Analysis, Organizational Structure, Strategic Leadership, Emerging Technologies, Solution Design, Entrepreneurship, Financial Systems, Market Opportunities, Business Modeling, Case Studies, Market Analysis, Business Management, New Business Development
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: LangGraph, AI Orchestration, System Monitoring, CrewAI, Agentic Workflows, Continuous Monitoring, Agentic systems, Enterprise Application Management, Event Monitoring, Artificial Intelligence and Machine Learning (AI/ML), Site Reliability Engineering, AI Enablement, Model Deployment, Generative AI Agents, Generative Model Architectures, AI Security, Systems Architecture, Software Architecture, Application Deployment, Middleware
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Web Development, Web Applications, Web Design and Development, Cascading Style Sheets (CSS), Web Design
Beginner · Guided Project · Less Than 2 Hours

University of Washington
Skills you'll gain: Legal Research, Mergers & Acquisitions, Legal Strategy, Commercial Laws, Governance, Legal Risk, Case Law, Corporate Finance, Business Ethics, Civil Law, Contract Review, Partnership Accounting, Organizational Structure, Analysis, Business
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Education Software and Technology, Digital pedagogy, Microsoft Office, Educational Materials, Instructional Design
Beginner · Guided Project · Less Than 2 Hours