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: Unit Testing, JUnit, Test Case, Testability, Software Testing, Software Development, Software Engineering, Java Programming, Java
Beginner · Guided Project · Less Than 2 Hours

Whizlabs
Skills you'll gain: Amazon S3, Cloud Storage, Data Storage, Data Storage Technologies, Amazon Elastic Compute Cloud, AWS Identity and Access Management (IAM), Security Controls, File Management, File Systems, Encryption
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Computer Programming Tools, C and C++, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Software Development Tools, Exploit development, Debugging, Interoperability, Unix, Embedded Systems, Vulnerability Assessments, Unix Commands, File I/O, Operating Systems, Data Security, Linux, Microsoft Windows
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Web Scraping, Data Visualization, Data Preprocessing, Data Cleansing, Exploratory Data Analysis, Scripting, Data Analysis, Data Manipulation, Data Import/Export, Extensible Markup Language (XML), Python Programming, Jupyter, GitHub
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: SAS (Software), Model Evaluation, Logistic Regression, Predictive Modeling, Classification And Regression Tree (CART), Big Data, Regression Analysis, Statistical Machine Learning, Feature Engineering, Statistical Analysis, Data Preprocessing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Generative AI, Generative Model Architectures, Gemini, Model Deployment, Generative AI Agents, Generative Adversarial Networks (GANs), Google Gemini, Responsible AI, Performance Tuning, Large Language Modeling, Software Development Tools, Code Review, Software Engineering, Artificial Intelligence, AI Personalization, Software Development, Software Quality Assurance, Debugging, Automation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Spring Framework, JUnit, Restful API, Spring Boot, Unit Testing, Java, Hibernate (Java), Web Services, Apache Maven, Databases, Web Applications, Gradle, Object Oriented Programming (OOP), Eclipse (Software), Software Design Patterns, Dependency Analysis
Beginner · Course · 3 - 6 Months

Skills you'll gain: LangChain, Prompt Engineering, Large Language Modeling, Retrieval-Augmented Generation, Vector Databases, Tool Calling, Embeddings, OpenAI API, ChatGPT, Google Gemini, Agentic Workflows
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Jupyter, Computer Programming, Python Programming, Simulation and Simulation Software, Electronics Engineering, Simulations, Programming Principles
Beginner · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Database Systems, Relational Databases, Database Management, Database Theory, Databases, SQL, Database Design, Database Management Systems, Database Architecture and Administration, Data Access, Query Languages, Data Modeling, Data Manipulation, User Accounts
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PySpark, Apache Spark, Model Evaluation, MySQL, Data Pipelines, Scala Programming, Extract, Transform, Load, Logistic Regression, Customer Analysis, Apache Hadoop, Predictive Modeling, Applied Machine Learning, Data Processing, Data Persistence, Advanced Analytics, Big Data, Apache Maven, Unsupervised Learning, Apache, Python Programming
Beginner · Specialization · 1 - 3 Months

L&T EduTech
Skills you'll gain: Artificial Intelligence, Internet Of Things, Unsupervised Learning, Python Programming, Deep Learning, Machine Learning, Convolutional Neural Networks, Image Analysis, Artificial Neural Networks, Reinforcement Learning, Data Preprocessing, Natural Language Processing, Model Evaluation
Intermediate · Course · 1 - 3 Months