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.

Duke University
Skills you'll gain: Strategic Decision-Making, Dealing With Ambiguity, Decisiveness, Adaptability, Decision Making, Strategic Thinking, Action Oriented, Cognitive flexibility, Decision Intelligence, Complex Problem Solving, Change Management, Risk Management, Culture Transformation
★ 4.3 (26) · Intermediate · Course · 1 - 4 Weeks
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), API Design, Cloud API, Restful API, Server Side, Web Development, Servers, JSON, Software Documentation, Web Applications, Javascript, Web Services, Technical Documentation, Application Security
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, DevOps, Data Integration, z/OS, Hybrid Cloud Computing, Devops Tools, Mainframe Technologies, Mainframe Computing, Cloud Applications, Enterprise Application Management, Data Access, Cloud API, Application Programming Interface (API), Computer Programming
★ 4.9 (8) · Beginner · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: NumPy, Python Programming, Linear Algebra, Numerical Analysis, Data Manipulation, Data Transformation, Data Preprocessing, Integrated Development Environments, Unstructured Data, Data Science, Data Management, Software Development Tools, Software Development, Machine Learning, Engineering, Scientific, and Technical Instruments
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Statistical Process Controls, Six Sigma Methodology, Quality Control, Lean Six Sigma, Plot (Graphics), Quality Monitoring, Data Literacy, Statistical Analysis, R Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud Deployment, Database Application, Cloud Hosting, Object-Relational Mapping, Database Management Systems, Full-Stack Web Development, Database Software, Application Design, Development Environment, Software Design, Microsoft Visual Studio, User Interface (UI), Application Frameworks, Identity and Access Management, Microsoft Development Tools, UI Components, Application Development, Configuration Management, Authorization (Computing), Maintainability
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Load Balancing, Scalability, Microservices, .NET Framework, Cloud Deployment, Database Management Systems, Redis, Application Performance Management, Software Design Patterns, Cloud Computing Architecture, Cloud Applications, Database Development, Databases, System Monitoring, Software Architecture, Distributed Computing, Cloud-Native Computing, Microsoft Azure, Performance Tuning
★ 4.9 (80) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon S3, Amazon Web Services, Application Programming Interface (API), Cloud Computing
★ 4.2 (13) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: JUnit, Test Automation, Test Tools, Test Script Development, Unit Testing, Software Testing, Performance Testing, Quality Assurance, Performance Stress Testing, IT Automation, Performance Tuning, Scripting, Debugging, Network Performance Management, Simulations
★ 4.9 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Java Programming, Java, Test Automation, System Testing, Object Oriented Programming (OOP), Continuous Delivery, Test Script Development, Software Testing, Integration Testing, Build Tools, Browser Compatibility
Intermediate · Course · 3 - 6 Months

EDUCBA
Skills you'll gain: Ajax, Web Design and Development, Java Platform Enterprise Edition (J2EE), jQuery, Cascading Style Sheets (CSS), Web Applications, Scripting Languages, Javascript and jQuery, Web Development, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Javascript, Front-End Web Development, Hibernate (Java), Service Oriented Architecture, Back-End Web Development
★ 4.3 (13) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: Robotic Process Automation, Automation Engineering, Business Process Automation, Manufacturing Processes, Automation, Manufacturing and Production, Manufacturing Operations, Production Process, Robotics, Workflow Management, Scalability, Process Optimization, Internet Of Things, Development Environment, Artificial Intelligence, Digital Transformation, Data Integration, Quality Control, Debugging
Beginner · Course · 1 - 4 Weeks