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: COBOL (Programming Language), Job Control Language (JCL), IBM DB2, Mainframe Computing, Mainframe Technologies, Relational Databases, File I/O, File Management, Data Management, Database Theory, Databases, Database Management Systems, Data Storage, Data Access, Programming Principles, Command-Line Interface, Computer Programming
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Classification Algorithms, Business Analytics, Data Preprocessing, Analytics, Regression Analysis, Machine Learning Algorithms, Applied Machine Learning, Scikit Learn (Machine Learning Library), Unsupervised Learning, Machine Learning Methods, Data Processing, Predictive Modeling, Machine Learning, Python Programming, Decision Tree Learning
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Data Structures, Data Processing, Code Reusability, Virtual Machines, Verification And Validation, Program Development, Python Programming, Maintainability, Data Manipulation, Programming Principles, Scripting, Development Environment, Scripting Languages, Computer Programming, Software Installation, Debugging, Software Development, Computer Programming Tools, Computational Logic, Cross Platform Development
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Ggplot2, Data Wrangling, Statistical Modeling, Exploratory Data Analysis, Plot (Graphics), R Programming, Data Import/Export, Predictive Modeling, Data Visualization, Interactive Data Visualization, Statistical Visualization, Sampling (Statistics), Data Visualization Software, Statistical Hypothesis Testing, Data Analysis, Web Scraping, Data Science, R (Software), Data Analysis Software
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Unix Commands, Command-Line Interface, Unix Shell, Unix, Bash (Scripting Language), File Management, Productivity, Computer Programming
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Javascript, Web Development, Web Development Tools, Scripting, Hypertext Markup Language (HTML), Programming Principles
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Microservices, System Design and Implementation, Service Oriented Architecture, Data Architecture, Systems Analysis, Database Architecture and Administration, Distributed Computing, Application Deployment, Service Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Serverless Computing, Security Strategy, Network Security, Firewall, Cloud Applications, Cloud Management, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Services, System Monitoring, Cloud Security, Cloud Deployment, Application Security, Internet Of Things, Software Development Tools, Artificial Intelligence, Key Management
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Web Frameworks, Restful API, Application Programming Interface (API), API Testing, Application Deployment, Software Documentation, Package and Software Management, JSON, Server Side, Python Programming, Data Validation
Intermediate · Guided Project · Less Than 2 Hours

Anthropic
Skills you'll gain: Prompt Engineering, AI Workflows, Agentic Workflows, Claude Code, Model Context Protocol, Retrieval-Augmented Generation, Anthropic Claude, Agentic systems, Application Programming Interface (API), Tool Calling, Context Management, Embeddings, Model Evaluation
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Power BI, Data Visualization, Data Analysis Expressions (DAX), Matplotlib, Plotly, Data Analysis, Exploratory Data Analysis, Seaborn, SQL, Pandas (Python Package), Probability & Statistics, Regression Analysis, Machine Learning, Statistical Hypothesis Testing, Python Programming, Data Transformation, Feature Engineering, Data Integration, NumPy, Web Scraping
Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: OS Process Management, Operating Systems, System Programming, Performance Tuning, System Software, Data Structures, Event-Driven Programming, Data Access
Advanced · Course · 1 - 4 Weeks