Object Oriented Design courses can help you learn principles like encapsulation, inheritance, and polymorphism, along with design patterns such as Singleton and Factory. You can build skills in creating reusable code, improving software maintainability, and designing systems that are easier to understand and extend. Many courses introduce tools like UML for modeling, as well as programming languages such as Java and Python, which are commonly used to implement object-oriented concepts in real-world applications.

Skills you'll gain: Event-Driven Programming, Web Applications, Application Development, Web Design and Development, Javascript, Hypertext Markup Language (HTML), JavaScript Frameworks, Front-End Web Development, Transaction Processing, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: iOS Development, Apple iOS, Mobile Development, Swift Programming, UI Components, User Interface (UI), Application Development, User Interface (UI) Design, Mobile Development Tools, Authentications, Secure Coding, Code Reusability, Geospatial Information and Technology, Real Time Data, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft SQL Servers, Database Design, Relational Databases, Stored Procedure, Database Development, Transact-SQL, SQL, Loyalty Programs, Enterprise Application Management, Database Management, Workflow Management, Transaction Processing, Customer Data Management, Gift Accounting, Data Integrity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Apache, Data Infrastructure, NoSQL, Big Data, Database Management Systems, Databases, Unix Shell, Data Storage, Data Storage Technologies, Database Design, Software Installation, Data Access, Data Modeling, Data Persistence, Systems Integration, System Configuration, Command-Line Interface, Enterprise Application Management, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Persistence, File I/O, C (Programming Language), Debugging, Code Reusability, Computational Thinking, File Management, Programming Principles, C and C++, Program Development, Data Storage, Application Design, Algorithms
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Languages and XML
Beginner · Course · 1 - 4 Weeks

CertNexus
Skills you'll gain: Data Science, Data Strategy, Internet Of Things, AI Product Strategy, Analytics, Big Data, Data Collection, Artificial Intelligence, Descriptive Analytics, Artificial Intelligence and Machine Learning (AI/ML), Predictive Analytics, Process Optimization, Process Improvement and Optimization, Cloud Computing, Operations, Marketing, Operational Efficiency, Customer Service, User Experience, Prototyping
Mixed · Course · 1 - 3 Months

Skills you'll gain: Robotic Process Automation, Product Automation, Mobile Development Tools, Customer Insights, Automation, Business Process Automation, Workflow Management, Web Scraping, E-Commerce, Development Environment, Image Analysis, Analysis, Hypertext Markup Language (HTML)
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Test Driven Development (TDD), C and C++, C++ (Programming Language), Debugging, Maintainability, C (Programming Language), System Programming, Functional Design, Secure Coding, Software Architecture, Cross Platform Development, Memory Management, Interoperability, Performance Tuning, Network Troubleshooting
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Metadata Management, Document Management, Vector Databases, Query Languages, Database Management, Data Management, Extract, Transform, Load, Data Maintenance, Data Architecture, LLM Application, Data Pipelines, Scripting, Embeddings
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Deployment, Model Deployment, Model Optimization, Google Cloud Platform, Cloud Infrastructure, Computer Architecture, Infrastructure Architecture, Model Training, AI Workflows, Artificial Intelligence, Hardware Architecture, Performance Tuning, Computer Hardware
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Network Monitoring, Network Planning And Design, Event Monitoring, Network Engineering, Virtual Networking, Google Cloud Platform, Network Performance Management, Network Architecture, Security Management, Cloud Infrastructure, Virtual Private Networks (VPN), Cloud Security, Network Administration, Cloud Computing Architecture, Network Infrastructure, Hybrid Cloud Computing, Cloud Management, Computer Networking, Firewall
Advanced · Course · 1 - 3 Months