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: Data Import/Export, Pandas (Python Package), Pivot Tables And Charts, Jupyter, Microsoft Excel, Data Analysis, Data Manipulation, Data Wrangling, Programming Principles, Python Programming, Data Structures, Development Environment, Package and Software Management, Software Installation, Object Oriented Programming (OOP)
★ 4.7 (32) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: MITRE ATT&CK Framework, Penetration Testing, Exploitation techniques, Brute-force attacks, Cyber Operations, Scripting, Cybersecurity, Python Programming, Network Analysis, Automation
★ 4.4 (56) · Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Java, Data Structures, File I/O, Java Programming, Data Access, Data Cleansing
★ 4.6 (20) · Intermediate · Guided Project · Less Than 2 Hours
Stanford Online
Skills you'll gain: Bayesian Network, Applied Machine Learning, Machine Learning Algorithms, Bayesian Statistics, Machine Learning Methods, Markov Model, Statistical Machine Learning, Machine Learning, Network Model, Unsupervised Learning, Statistical Modeling, Model Training, Probability Distribution, Model Optimization, Statistical Methods, Probability & Statistics, Algorithms
★ 4.6 (305) · Advanced · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: CrewAI, AI Workflows, AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Automation, Artificial Intelligence and Machine Learning (AI/ML), Model Context Protocol, Context Engineering, Artificial Intelligence, System Monitoring, Workflow Management, Context Management, Tool Calling, Continuous Monitoring, Scalability, Memory Management, Large Language Modeling
★ 4.5 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: COBOL (Programming Language), Debugging, z/OS, Unit Testing, Test Driven Development (TDD), Software Testing, Test Tools, Mainframe Computing, Mainframe Technologies, Computer Programming Tools, File I/O
★ 4.4 (133) · Beginner · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Infrastructure as Code (IaC), CI/CD, Bash (Scripting Language), Software Architecture, PostgreSQL, Data Pipelines, Google Cloud Platform, Command-Line Interface, Continuous Integration, Prometheus (Software), Amazon Bedrock, Linux Commands, SQL, Extract, Transform, Load, Object Oriented Programming (OOP), Software Development, Verification And Validation, Vector Databases, Code Coverage, Database Systems
★ 3.4 (11) · Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Web Scraping, Extract, Transform, Load, Data Manipulation, Data Wrangling, Data Preprocessing, Data Validation, Data Processing, Data Ethics, Data Import/Export, Data Cleansing, SQL, Data Transformation, JSON, Query Languages, Data Pipelines, Pandas (Python Package), Data Collection, Generative AI, Relational Databases, Unstructured Data
★ 4.5 (23) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Exploratory Data Analysis, R (Software), Ggplot2, Statistical Reporting, Data Visualization Software, Tidyverse (R Package), Data Visualization, Version Control, Data Analysis, Plot (Graphics), Scientific Visualization, Statistics, Statistical Visualization, Data Wrangling, Data Science, R Programming, GitHub, Data Transformation, Statistical Analysis, Statistical Programming
★ 4.7 (32) · Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Generative AI Agents, Java, Java Programming, Agentic systems, Agentic Workflows, AI Workflows, Generative AI, LLM Application, Tool Calling, OpenAI API, Application Development, Prompt Engineering, Large Language Modeling, Memory Management
★ 4.2 (25) · Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Digital Signal Processing, Electrical Engineering, Communication Systems, Electronics, Telecommunications, Linear Algebra, Applied Mathematics
★ 4.8 (97) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Rust (Programming Language), Serverless Computing, Command-Line Interface, Maintainability, Amazon Web Services, Linux Commands, Application Deployment, System Programming, Python Programming, Package and Software Management, Performance Tuning, Software Testing
★ 5 (16) · Intermediate · Course · 1 - 4 Weeks