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: Ansible, Puppet (Configuration Management Tool), Software-Defined Networking, Network Administration, Security Awareness, Chef (Configuration Management Tool), Information Systems Security, Virtual Private Networks (VPN), JSON, Authentications, Computer Networking, Authorization (Computing), Automation, Configuration Management, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Salesforce, Salesforce Development, Systems Integration, Customer Relationship Management, Customer Relationship Management (CRM) Software, Data Integration, Contract Management, AI Enablement, Responsible AI, Web Services, Business Reporting, Sales Operations, Integration Testing, Artificial Intelligence, Application Programming Interface (API), Software Design Patterns, Security Controls, Customer Data Management, Analytics, Data Security
Advanced · Specialization · 1 - 4 Weeks
Cisco Learning and Certifications
Skills you'll gain: Network Performance Management, Wireless Networks, Wide Area Networks, TCP/IP, Network Routing, Network Infrastructure, Performance Tuning, Network Monitoring, Network Troubleshooting, Routing Protocols, Network Planning And Design, Network Switches, Virtual Networking, Network Administration, Local Area Networks, Software-Defined Networking, Network Protocols, Network Analysis, IT Infrastructure, Configuration Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Photo Editing, Adobe Photoshop, File Management, Image Quality, Photography, Data Import/Export, Data Storage
Beginner · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI), Bootstrap (Front-End Framework), Blockchain, User Interface (UI) Design, Front-End Web Development, Debugging, Full-Stack Web Development, Animations, Web Applications, Javascript, Test Script Development
Advanced · Course · 1 - 3 Months

Skills you'll gain: 3D Assets, Layout Design, Computer Graphic Techniques
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Active Listening, Compassion, Diversity and Inclusion, Strategic Leadership, Emotional Intelligence, Empathy, Self-Awareness, Leadership, Cultural Diversity, Collaboration, Employee Engagement
Mixed · Course · 3 - 6 Months

Skills you'll gain: Microsoft Azure, Cloud Development, Event-Driven Programming, Cloud Applications, Microservices, C# (Programming Language), Distributed Computing, Cloud Services, Cloud Storage, Real Time Data
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Trigonometry, Probability, Data Analysis, Algebra, Probability Distribution, Descriptive Statistics, Mathematical Modeling, Graphing, Statistics, Geometry, Arithmetic
Beginner · Course · 1 - 4 Weeks

Niel Asher Education
Skills you'll gain: Rehabilitation, Exercise Therapy, Kinesiology, Physical Therapy, Manual Therapy, Human Musculoskeletal System, Patient Evaluation, Sports Medicine, Mechanics, Clinical Assessment, Clinical Practices, Injury Prevention, Athletic Training, Anatomy, Patient Treatment, Human Relations Movement, Health And Wellness Coaching
Intermediate · Course · 1 - 3 Months

Skills you'll gain: SQL, Database Management, Query Languages, Data Analysis, Performance Tuning, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, 3D Assets, Visualization (Computer Graphics), Computer Graphics, Graphical Tools, Computer Graphic Techniques, User Interface (UI), Graphics Software, Data Import/Export
Mixed · Course · 1 - 4 Weeks