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.

EDUCBA
Skills you'll gain: Object Oriented Programming (OOP), Java Programming, File I/O, Application Development, Computer Programming, User Interface (UI), Programming Principles, Databases, System Design and Implementation, Integrated Development Environments, SQL, Data Validation
★ 4.9 (20) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Cassandra, NoSQL, Data Store, Databases, Database Management Systems, Application Deployment, Database Architecture and Administration, Query Languages, Database Management, Data Storage, System Monitoring, Data Maintenance, Distributed Computing, Application Security, Data Modeling, Data Security, Scalability
Beginner · Course · 1 - 4 Weeks
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), Cloud API, Restful API, Server Side, JSON, Software Documentation, Javascript, Web Services, Application Security
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks

Airbus Beyond
Skills you'll gain: Corporate Sustainability, Sustainability Reporting, Sustainability Standards, Environmental Management Systems, Environmental Social And Corporate Governance (ESG), Supply Chain, Environmental Regulations, Environment and Resource Management, Environmental Laws, Transportation, Supply Chain, and Logistics, Logistics Management, Environmental Monitoring, Logistics, Environmental Policy, Governance
★ 4.3 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, CI/CD, Model View Controller, ASP.NET, Cloud Infrastructure, Continuous Deployment, Load Balancing, OAuth, Continuous Integration, Cloud Computing, Cloud Applications, Cloud Deployment, Application Deployment, Cloud Platforms, Build Tools, Web Development, Web Applications, Microservices, Single Sign-On (SSO), Performance Tuning
★ 4.9 (165) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Model Deployment, Tensorflow, Model Evaluation, Data Preprocessing, Image Analysis, Artificial Neural Networks, Convolutional Neural Networks, Data Processing, Applied Machine Learning, Machine Learning Methods, Computer Vision, Deep Learning
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Vibrations, Engineering Analysis, Finite Element Methods, Mechanical Design, Structural Analysis, Mechanical Engineering, Simulations, Business Modeling, Technical Analysis, Technical Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), API Design, Application Programming Interface (API), Application Security, Secure Coding, Security Testing, Threat Modeling, Security Controls, Vulnerability Assessments, Authorization (Computing), Cryptography, Authentications, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: TCP/IP, Network Architecture, Network Routers, Networking Hardware, General Networking, Network Security, Dynamic Host Configuration Protocol (DHCP), Network Infrastructure, Network Troubleshooting, Computer Networking, Network Protocols, Network Switches, Virtual Local Area Network (VLAN), Scalability
★ 4.6 (17) · Beginner · Course · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Visualization Software, Data Visualization, Interactive Data Visualization, Dashboard, Tableau Software, Microsoft Excel, Excel Formulas, Pivot Tables And Charts, Business Intelligence, Performance Tuning, Data Analysis, AI Personalization, Analytics, Analytical Skills, Data Transformation, Data Cleansing, Business Metrics
★ 4.1 (8) · Beginner · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Spatial Analysis, Geospatial Mapping, Geographic Information Systems, Geospatial Information and Technology, Environmental Monitoring, Climate Change Programs, Image Analysis, Python Programming, Jupyter, Model Evaluation, Software Installation
★ 4.7 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Tools, Test Automation, Software Testing, Test Script Development, Test Case, Regression Testing, Test Execution Engine, Javascript and jQuery, Browser Compatibility, Automation, Software Design Patterns, UI Components, Java
Intermediate · Course · 1 - 3 Months