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.

Johns Hopkins University
Skills you'll gain: Apache Hadoop, Big Data, Apache Hive, Apache Spark, NoSQL, Data Infrastructure, File Systems, Data Processing, Data Management, Analytics, Data Science, Databases, SQL, Query Languages, Data Manipulation, Java, Data Structures, Distributed Computing, Performance Tuning, Software Architecture
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Postman API Platform, API Testing, Data Validation, Application Programming Interface (API), Restful API, Verification And Validation, Performance Tuning, Microservices, Performance Testing, Security Controls, Data Integrity, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Data Preprocessing, Applied Machine Learning, Machine Learning Methods, Machine Learning, Predictive Modeling, Feature Engineering, Data Pipelines, Data Transformation, Data Science, Python Programming, Regression Analysis
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: WordPress, Ajax, Development Environment, Content Management Systems, Web Development, Data Management, PHP (Scripting Language), Database Development, MySQL, Javascript and jQuery, Information Architecture, Database Management, Cascading Style Sheets (CSS), Application Security, User Accounts, Data Validation
Intermediate · Specialization · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Digital Transformation, Business Ethics, Customer experience strategy (CX), Predictive Analytics, Simulation and Simulation Software, Advanced Analytics, Business Transformation, Scikit Learn (Machine Learning Library), Model Evaluation, Data-Driven Decision-Making, Operations Research, Internet Of Things, Analytics, Cloud Computing, Business Analytics, Automation, Feature Engineering, Systems Thinking, Complex Problem Solving, Process Optimization
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Reinforcement Learning, Dimensionality Reduction, PyTorch (Machine Learning Library), Machine Learning Algorithms, Data Preprocessing, Model Evaluation, Artificial Intelligence and Machine Learning (AI/ML), Generative Adversarial Networks (GANs), Machine Learning Methods, Deep Learning, Transfer Learning, Applied Machine Learning, Pandas (Python Package), Scikit Learn (Machine Learning Library), Python Programming, Machine Learning, Artificial Neural Networks, Data Processing, Natural Language Processing, Feature Engineering
Intermediate · Course · 3 - 6 Months

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Mobile Development, Front-End Web Development, Web Design, Web Development, Application Deployment, Cloud Deployment, User Interface (UI), User Interface (UI) Design, UI Components, Software Engineering
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Algorithms, Data Structures, Javascript, Computational Thinking, Program Development, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Go (Programming Language), Debugging, Unit Testing, Verification And Validation, Application Frameworks, Programming Principles, Web Development, Web Applications, Data Structures, Development Environment, Object Oriented Programming (OOP), Software Design, Command-Line Interface
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Model View Controller, Java Platform Enterprise Edition (J2EE), Back-End Web Development, Server Side, Data Access, Apache Tomcat, Application Servers, Relational Databases, Databases, Java, Web Servers, SQL, Authentications, Web Applications, Secure Coding, Software Design Patterns, Data Persistence, Context Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Scalability, Restful API, Rust (Programming Language), Application Programming Interface (API), OS Process Management, Video Game Development, Web Development, JSON, Programming Principles, Servers, Debugging, TCP/IP
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cryptography, Encryption, Secure Coding, Cyber Security Assessment, Brute-force attacks, File Management, Python Programming, Programming Principles, Algorithms, Debugging, Scripting, Data Structures, Software Testing, User Interface (UI), Statistical Programming, File I/O, UI Components, Application Development
Beginner · Specialization · 1 - 3 Months