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.

Coursera
Skills you'll gain: SQL, Query Languages, Generative AI, Maintainability
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: PHP (Scripting Language), Application Deployment, Object-Relational Mapping, Model View Controller, Database Management, UI Components, PostgreSQL, Full-Stack Web Development, Web Development, Web Frameworks, Web Applications, Authentications, Development Environment, Web Development Tools, Authorization (Computing), Application Frameworks, Code Reusability, GitHub, Cascading Style Sheets (CSS), Data Migration
Intermediate · Course · 3 - 6 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Team Building, Trustworthiness, Team Performance Management, Team Management, Teamwork, Productivity, Visionary, Peer Review, Team Motivation, Recognizing Others, Team Collaboration, Collaboration, Team Oriented, Employee Engagement, Rapport Building, Value Propositions, Team Leadership, People Development, Employee Performance Management, Employee Retention
★ 4.7 (22) · Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: R Programming, Statistical Analysis, Statistical Methods, Combinatorics, Statistical Programming, Data Analysis, Probability, Statistics, Probability Distribution, Applied Machine Learning, Probability & Statistics, Bayesian Statistics, Data Science, Simulations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Personalization, Mobile Development, AI powered creativity, Generative AI, Anthropic Claude, Mobile Development Tools, LLM Application, iOS Development, Personalized Campaigns, Apple iOS, Machine Learning Methods, Application Development, Cloud Applications, Application Design, Cloud Development, AI Integrations
★ 5 (23) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, User Interface (UI), UI Components, Figma (Design Software), UI/UX Strategy, User Interface and User Experience (UI/UX) Design, Prototyping, Usability, Usability Testing, Web Design, Interactive Design, User Experience Design, Mobile Development, Style Guides, Web Development, Animations
★ 5 (32) · Intermediate · Course · 1 - 3 Months

EDUCBA
★ 4.8 (24) · Advanced · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Correlation Analysis, Statistical Analysis, Statistical Software, Statistical Programming, Statistical Methods, Probability & Statistics, Statistical Visualization, Analytics, Data Analysis Software, Data Analysis, R (Software), Business Analytics, Data Visualization, R Programming, Statistics, Statistical Inference, Variance Analysis, Descriptive Statistics, Sampling (Statistics)
★ 4.8 (32) · Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Azure, Serverless Computing, Microsoft Power Automate/Flow, Microsoft Power Platform, Business Process Automation, Microsoft Development Tools, Event-Driven Programming, Cloud API, Application Programming Interface (API), Web Applications, Business Logic, GitHub
★ 4.2 (12) · Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Model Context Protocol, Agentic systems, Retrieval-Augmented Generation, Prompt Engineering, Agentic Workflows, Tool Calling, Google Gemini, AI Workflows, Generative AI Agents, AI Orchestration, Server Side, Node.JS, Vector Databases, MongoDB, Embeddings, Large Language Modeling, Natural Language Processing, Web Development, Machine Learning, Javascript
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Django (Web Framework), Web Applications, Web Development, Expense Reports, Back-End Web Development, Expense Management, Application Development, Database Application, Data Visualization, Business Process Automation, Chart.js, Data Modeling, Business Logic, Development Environment, Data Security, GitHub, Javascript, Project Documentation, Git (Version Control System)
★ 4.3 (8) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: API Gateway, Kubernetes, Cloud API, Google Cloud Platform, Hybrid Cloud Computing, Application Programming Interface (API), Cloud Platforms, Cloud-Native Computing, API Testing, Istio, Application Deployment, Software Installation, Proxy Servers, Verification And Validation, Configuration Management
★ 4.6 (44) · Beginner · Course · 1 - 4 Weeks