Object Oriented Programming courses can help you learn core concepts like classes, objects, inheritance, and polymorphism. You can build skills in designing robust software architectures, implementing design patterns, and writing reusable code. Many courses introduce tools such as Java, Python, and C++, which are commonly used in software development, enabling you to apply your knowledge in practical coding projects. Additionally, you may explore frameworks that enhance object-oriented principles, further enriching your programming toolkit.

Skills you'll gain: AWS Identity and Access Management (IAM), Linux Administration, Amazon Elastic Compute Cloud, Linux Servers, Identity and Access Management, Cloud Hosting, Cloud Deployment, Cloud Infrastructure, Amazon Web Services, Cloud Computing, Front-End Web Development, Cloud Management, Linux, Ubuntu, UI Components, Application Deployment, React.js, Event-Driven Programming, Javascript, Apache
★ 4.8 (9) · Intermediate · Specialization · 3 - 6 Months

JetBrains
Skills you'll gain: NumPy, Python Programming, Linear Algebra, Numerical Analysis, Data Manipulation, Data Transformation, Data Preprocessing, Integrated Development Environments, Unstructured Data, Data Science, Data Management, Software Development Tools, Software Development, Machine Learning, Engineering, Scientific, and Technical Instruments
Intermediate · Course · 1 - 3 Months
The Hong Kong University of Science and Technology
Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Vibe coding, HTML and CSS, Web Design and Development, AI literacy, Generative AI, Web Development, Web Applications, Python Programming, Data Analysis, Data Mining, AI Workflows, Simulations, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Hardening, Performance Tuning, Systems Analysis, Operating System Administration, Technical Support and Services, Virtual Environment, Virtualization and Virtual Machines, Memory Management, File I/O, Security Management, Debugging, Service Management, OS Process Management, Data Maintenance, Scripting, Record Keeping, Configuration Management
★ 4.3 (12) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Database Design, Performance Tuning, Data Warehousing, Apache Spark, Data Architecture, SQL, Query Languages, Data Transformation, Disaster Recovery, Database Management, PySpark, Infrastructure as Code (IaC), Cloud Computing Architecture, Distributed Computing, Scalability, Data Pipelines, Performance Analysis, Root Cause Analysis, Cost Management, Resource Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Customer experience strategy (CX), Responsible AI, Customer Analysis, Customer experience improvement, Personalized Campaigns, Customer Engagement, Predictive Analytics, Customer Service, Google Gemini, Customer Insights, Agentic Workflows, Driving engagement, LLM Application, Brand Loyalty, Generative AI Agents, Data-Driven Decision-Making, Artificial Intelligence, Generative AI
★ 4.3 (6) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Hypertext Markup Language (HTML), Software Documentation, Technical Documentation, Web Development, Technical Writing
★ 4.3 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Test Tools, Test Data, Test Case, Test Script Development, Software Testing, Test Execution Engine, Java, Automation, Code Reusability
Intermediate · Course · 3 - 6 Months

Pragmatic AI Labs
Skills you'll gain: Claude Code, Software Architecture, Anthropic Claude, Systems Architecture, Software Development Tools, Continuous Integration, Software Design Patterns, Code Coverage, Code Review, AI Workflows, Agentic Workflows, Software Technical Review, Command-Line Interface, Prompt Engineering, Context Management, Prompt Patterns, YAML, Rust (Programming Language), Software Installation, Unix Commands
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Climate Change Adaptation, Sustainable Systems, Sustainable Development, Stormwater Management, Water Sustainability, Sustainable Technologies, Community Development, Land Development, Mitigation, Case Studies, Economic Development, Climate Change Mitigation, Water Resource Management, Environmental Policy
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Warehousing, IBM Cognos Analytics, Extract, Transform, Load, Database Architecture and Administration, Data Visualization, Database Design, Dashboard Creation, Data Modeling, MySQL, Dashboard, Business Intelligence, Database Management, Data Architecture, Data Pipelines, PostgreSQL, Statistical Reporting, Shell Script, SQL, Data Transformation, Data Import/Export
★ 4.8 (29) · Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Ruby on Rails, Model View Controller, Ruby (Programming Language), Object-Relational Mapping, Test Automation, Restful API, Unit Testing, Application Deployment, Web Applications, Web Development, Cloud Deployment, Authentications, Development Environment, Data Modeling, Relational Databases, Data Validation
Beginner · Course · 1 - 4 Weeks