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: Database Design, SQL, Relational Databases, Databases, Database Systems, Database Management, Data Modeling, Query Languages
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C++ (Programming Language), Maintainability, Software Design Patterns, Programming Principles, Algorithms, Data Structures, Performance Tuning, Debugging
Advanced · Course · 1 - 3 Months

Skills you'll gain: NumPy, Pandas (Python Package), Image Analysis, Data Manipulation, Matplotlib, Computer Vision, Data Analysis, Interactive Data Visualization, Python Programming, Data Visualization, JSON, Dashboard, Data Visualization Software, Jupyter, Web Applications
Intermediate · Course · 1 - 3 Months

EC-Council
Skills you'll gain: Network Security, Cybersecurity, Information Assurance, Cloud Security, Security Controls, Mobile Security, Data Security, Cryptography, Public Key Infrastructure, Authorization (Computing), Intrusion Detection and Prevention, Network Monitoring, Wireless Networks, Authentications, Identity and Access Management, Encryption, Threat Detection, Internet Of Things
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Video Game Development, Game Design, Art History, Music History, Animation and Game Design, Computer Graphics, Culture, Policy Analysis, Public Policies, Interactive Design, Cultural Diversity, Storytelling, Case Studies, Innovation
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Instagram, Social Media Content, LinkedIn, Social Media, Facebook, Content Creation, Social Media Management, Social Media Marketing, User Accounts, Graphic Design, Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Sales Enablement, Sales Management, Customer Analysis, Sales Strategy, Marketing, Target Market, Verbal Communication Skills, Sales Process, Sales, Business Transformation, Smart Goals, Return On Investment, Leadership, Organizational Change
Mixed · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Data Lakes, Microsoft Azure, Stored Procedure, Data Architecture, Performance Tuning, Data Management, Query Languages, Data Manipulation, Scripting, SQL, Data Processing, Windows PowerShell, Microsoft Visual Studio, Command-Line Interface, Heat Maps
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Writing, Writing and Editing, Graphic and Visual Design Software, Graphic and Visual Design, Design Software, Layout Design, Design, Recruitment
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Canva (Software), Data Sharing, Digital Design, Developing Training Materials, Content Creation, Digital Publishing, Graphic Design, Design, Graphic and Visual Design, Data Loss Prevention, Teaching
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Resilience, Collaboration, Teamwork, Self-Awareness, Community Development, Mentorship, Active Listening
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon S3, Cloud Storage, Amazon Web Services, Data Storage Technologies, Data Storage, Disaster Recovery, Data Maintenance
Beginner · Course · 1 - 4 Weeks