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.

Microsoft
Skills you'll gain: Performance Tuning, Software Testing, Unit Testing, Software Documentation, Application Programming Interface (API), Web Applications, Test Driven Development (TDD), Node.JS, Debugging, Maintainability, Javascript, Software Architecture, JSON, Real Time Data, Data Transformation
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Ansible, IT Automation, YAML, Enterprise Architecture, DevSecOps, Scalability, CI/CD, Automation, Debugging, Scripting, Infrastructure as Code (IaC), Configuration Management, Hardening, Enterprise Security, Devops Tools, Verification And Validation, Cloud-Based Integration, Patch Management, DevOps, Cloud Infrastructure
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Routing Protocols, Wide Area Networks, Software-Defined Networking, Open Shortest Path First (OSPF), Network Routing, Network Planning And Design, Virtual Networking, Network Architecture, Border Gateway Protocol, Network Performance Management, Network Protocols
Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: AI Security, Retrieval-Augmented Generation, AI Orchestration, Responsible AI, LangChain, Threat Modeling, Generative AI, Vector Databases, Embeddings, Secure Coding, Large Language Modeling, Open Web Application Security Project (OWASP), Threat Management, Security Testing, Security Controls, Prompt Engineering
Intermediate · Course · 1 - 4 Weeks

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Growth Mindedness, Communication, Positivity, Personal Development, Optimism, Self-Awareness, Collaboration, Resilience, Emotional Intelligence, Adaptability, Problem Solving
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Web Analytics and SEO, Content Management Systems, Web Design, Web Analytics, Supplier Management, Web Design and Development, E-Commerce, WordPress, Search Engine Optimization, No-Code Development, Blogs, Retail Management, Order Management, Web Development, Marketing Strategies, Shipping and Receiving, Information Architecture, Customer Relationship Management (CRM) Software, Web Frameworks, Web Development Tools
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: z/OS, Computer Architecture, Mainframe Computing, System Programming, Computer Programming, Computational Logic, Data Storage, Job Control Language (JCL)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Data Ethics, Data Governance, Workflow Management, No-Code Development, Financial Data, Accounting and Finance Software, Artificial Intelligence, Financial Management, Generative AI, Automation, Financial Forecasting, Financial Regulation, Finance, Financial Reporting, Data Management, Financial Analysis, Accounting, Strategic Decision-Making, Securities (Finance)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Query Languages, Databases
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: HubSpot CRM, Customer Relationship Management, Marketing Automation, Performance marketing, Online Advertising, Keyword Research, Promotional Strategies, Social Media Marketing, Advertising Campaigns, Marketing Strategies, Customer Acquisition Management, Product Promotion, Search Engine Optimization, Performance Metric, Customer Engagement, Advertising, Key Performance Indicators (KPIs), Competitive Analysis, Business Metrics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Mindfulness, Personal Development, Self-Awareness, Creativity, Digital Design, Graphical Tools, Emotional Intelligence, Color Theory, Creative Thinking, Storytelling, Design Elements And Principles, Design Software, Adobe Creative Cloud
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Access, Database Design, Relational Databases, Database Management, Excel Macros, Microsoft 365, Database Development, Database Administration, Database Architecture and Administration, Data Integrity, Data Maintenance, Microsoft Windows, Databases, Microsoft Office, Data Entry, Query Languages, Data Presentation, Productivity Software, User Interface (UI), Scripting
Beginner · Specialization · 3 - 6 Months