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: Cucumber (Software), API Testing, Gherkin (Scripting Language), Behavior-Driven Development, JSON, Restful API, Apache Maven, Test Tools, Test Case, JUnit, Test Script Development, Security Testing, Test Automation, Authentications, Application Programming Interface (API), Test Data, Scalability, Java Programming, Software Testing, Java
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Game Design, Python Programming, Programming Principles, Event-Driven Programming, Computer Programming, Data Storage, Computer Science
Beginner · Guided Project · Less Than 2 Hours

HubSpot Academy
Skills you'll gain: Sales Presentations, Prospecting and Qualification, Persona Development, Sales Strategy, Sales Process, Target Audience, Sales Pipelines, Sales, Lead Generation, Customer Analysis, Email Automation, Prioritization, Customer Engagement
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Image Analysis, Google Cloud Platform, Metadata Management, Analysis, Applied Machine Learning, Computer Vision, Cloud Storage
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Oracle Databases, Operational Databases, Scalability, Database Management, Performance Tuning, Database Management Systems, Database Architecture and Administration, System Monitoring
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Management, Data Centers, Security Management, Risk Management Framework, Identity and Access Management, Data Storage Technologies
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Web Development, PHP (Scripting Language), Web Design and Development, Web Applications, HTML and CSS, Software Engineering
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Content Strategy, Search Engine Optimization, Content Creation, Keyword Research, Digital Content, Content Marketing, Social Media Content, Target Audience, ChatGPT, Web Analytics and SEO, Video Production, Prompt Engineering, Workflow Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Software-Defined Networking, Wide Area Networks, Virtual Networking, Network Troubleshooting, Open Shortest Path First (OSPF), Network Routing, Network Architecture, Network Monitoring, Network Planning And Design, Computer Networking, Virtual Private Networks (VPN), Border Gateway Protocol, Network Performance Management, Network Security, Network Administration, Firewall, Network Infrastructure, Amazon Web Services, Cloud Deployment
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: 3D Modeling, Computer Graphics, Visualization (Computer Graphics), Computer Graphic Techniques, Creativity
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Endpoint Detection and Response, Cloud Security, Network Administration, Infrastructure Security, Encryption, Cloud Computing, Authorization (Computing), Network Architecture, Dynamic Host Configuration Protocol (DHCP), Identity and Access Management, Email Security, Application Security, Human Factors (Security), Network Infrastructure, Network Protocols, Local Area Networks, Data Security, Authentications, Malware Protection, Mobile Security
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Responsive Web Design, No-Code Development, User Interface (UI) Design, User Experience Design, Web Design, Web Content, System Configuration
Intermediate · Course · 1 - 4 Weeks