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: PL/SQL, Oracle Databases, SQL, Stored Procedure, Data Access, Database Design, Programming Principles, Debugging, Relational Databases, Maintainability
Mixed · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Cloud Engineering, Site Reliability Engineering, Amazon Elastic Compute Cloud, Amazon CloudWatch, Cloud-Native Computing, Kubernetes, Continuous Delivery, AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), System Monitoring, Serverless Computing, Performance Testing, Scenario Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: MITRE ATT&CK Framework, AI Security, Cyber Threat Intelligence, Cybersecurity, Threat Modeling, Threat Detection, Responsible AI, Artificial Intelligence, Anomaly Detection, Data Ethics
Intermediate · Course · 1 - 3 Months

Zoho Corporation
Skills you'll gain: Sales Process, Sales Training, Sales, Sales Presentation, Selling Techniques, Closing (Sales), Sales Strategy, Sales Management, Verbal Communication Skills, Customer Relationship Management, Customer Relationship Management (CRM) Software, Communication, Active Listening, Business Software, Business Writing, Collaboration, Negotiation, Problem Solving, Value Propositions, Critical Thinking
Beginner · Course · 1 - 3 Months

Skills you'll gain: Motion Graphics, Technical Design, Performance Tuning, Virtual Environment, Blended Learning, Layout Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Application Security, Cloud Applications, Cloud Security, Cloud Development, Identity and Access Management, Secure Coding, Security Awareness, Security Testing, Data Security, Cloud Deployment, User Provisioning, Verification And Validation, Software Development, Software Quality Assurance, Threat Management, Authentications, Multi-Factor Authentication
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Content Strategy, Content Creation, Blogs, Search Engine Optimization, Keyword Research, Web Content, Content Marketing, AI Personalization, Data Science
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Responsive Web Design, Hypertext Markup Language (HTML), Web Design and Development, Web Development, Web Design, Front-End Web Development, Cloud Hosting, Animations, File Transfer Protocol (FTP), Typography
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, API Testing, Test Script Development, Test Case, Eclipse (Software), Verification And Validation, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Organizational Skills, Project Management Software, Project Coordination, Workflow Management, Project Management, User Accounts
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: GraphQL, API Design, Restful API, Application Programming Interface (API), Cloud API, ASP.NET, Authentications, Data Validation, .NET Framework, Authorization (Computing), C# (Programming Language), Serverless Computing, Software Documentation, Microsoft Azure, Software Architecture, Verification And Validation, Application Deployment, Debugging
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Presentations, Business Writing, Sales Presentation, Marketing Materials, Business Planning, Product Demonstration, Price Negotiation, Marketing Design, Business Strategy, Entrepreneurship
Beginner · Guided Project · Less Than 2 Hours