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.

Amazon Web Services
Skills you'll gain: Software Architecture, Amazon Web Services, API Gateway, Amazon DynamoDB, IT Automation, Middleware, Software Development, Python Programming, Service Oriented Architecture, Systems Architecture, Microservices, Cloud API, Serverless Computing, Cloud Applications, Cloud-Based Integration, Application Frameworks, Databases, Scripting, Database Systems, Application Development
★ 4.5 (24) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Mainframe Computing, Mainframe Technologies, z/OS, Virtualization, Virtualization and Virtual Machines, Virtual Machines, Hardware Architecture, Computing Platforms, Infrastructure Architecture, Computer Architecture, Enterprise Security, Computer Hardware, Cryptography, Transaction Processing, System Configuration, Authorization (Computing), Identity and Access Management, Memory Management
★ 4.7 (1.1K) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: SQL, Oracle Databases, Database Management, Database Development, Relational Databases, Database Design, Databases, Query Languages, Data Maintenance
★ 4.6 (167) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: WordPress, Search Engine Optimization, Web Analytics and SEO, Blogs, Content Optimization, Web Analytics, Content Performance Analysis, Web Content, Keyword Research, Content Management, Marketing, Analytics, Web Design, Web Development, User Experience
★ 4.5 (799) · Advanced · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Systems Architecture, Software Architecture, Embedded Software, Software Design, System Design and Implementation, Embedded Systems, Performance Tuning, Systems Analysis, Electronic Hardware, Hardware Design, Electronic Systems, Systems Design, Hardware Architecture, Electrical and Computer Engineering, Requirements Analysis, System Programming, Reliability, Operating Systems, Service Level
★ 4 (122) · Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Data Structures, Spring Boot, Restful API, Model View Controller, Spring Framework, Web Services, Java Programming, Java, Back-End Web Development, Authentications, Authorization (Computing), Algorithms, Application Security
★ 4.3 (162) · Advanced · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Project Planning, Stakeholder Engagement, Conflict Management, Stakeholder Management, Planning, Project Management, Project Scoping, Work Breakdown Structure, Stakeholder Analysis, Project Documentation, Stakeholder Communications, Leadership and Management, Scope Management, Influencing, Organizational Structure
★ 4.8 (698) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electrical Engineering, electromagnetics, Electronic Components, Electronic Systems, Electronics Engineering, Electronics, Mathematical Modeling, Technical Design, Design Specifications, Engineering Analysis, Engineering Design Process, Engineering Calculations
★ 4.8 (165) · Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Cloud Infrastructure, Network Architecture, Computer Networking, Cloud Computing Architecture, Software-Defined Networking, Cloud Computing, Network Routing, TCP/IP, Wide Area Networks, Data Centers, Network Performance Management, Network Switches, Virtual Machines, Scalability, Python Programming
★ 4.4 (304) · Mixed · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Team Motivation, Delegation Skills, Team Performance Management, Performance Management, Employee Performance Management, Management Training And Development, Motivational Skills, Emotional Intelligence, People Management, Supervision, Staff Management, Diversity and Inclusion, Team Building, Cultural Sensitivity, Teamwork, Team Collaboration, Leadership, Communication Strategies, Collaboration, Cross-Functional Collaboration
★ 4.7 (118) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Power Platform, Microsoft Power Automate/Flow, No-Code Development, Process Design, Business Process Automation, Application Development, Application Design, Automation, Business Process, Driving engagement, Data Integration, Data Access, User Interface (UI), Data Modeling
★ 3.7 (67) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Debugging, Object Oriented Design, JSON, Data Structures, Code Reusability, Python Programming, Microsoft Visual Studio, Development Environment, Integrated Development Environments, Scripting, Maintainability, Package and Software Management, Authorization (Computing), Programming Principles, Computer Programming, Web Scraping, Application Programming Interface (API), File Management
Beginner · Specialization · 3 - 6 Months