Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

Packt
Skills you'll gain: Networking Hardware, General Networking, Network Infrastructure, Local Area Networks, OSI Models, Network Protocols, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), TCP/IP, Network Architecture, Computer Networking, Network Model, Wireless Networks, Network Security, Network Switches, Virtual Local Area Network (VLAN)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hypertext Markup Language (HTML), Frontend Performance, Web Applications, Javascript, Web Development Tools, Performance Tuning, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Software-Defined Networking, Virtual Networking, Wide Area Networks, Network Performance Management, Network Architecture, Network Infrastructure, Cloud Deployment, Package and Software Management, Configuration Management, Scalability
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Node.JS, File I/O, Javascript, Event-Driven Programming, Web Applications, Web Servers, Software Installation, Server Side, Application Development, JSON, Real Time Data, Command-Line Interface, TCP/IP, OS Process Management
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Self Service Technologies, Process Analysis, Process Improvement, Customer experience improvement, Amazon Web Services, Workflow Management, Personalized Service, Cost Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, JavaScript Frameworks, Node.JS, Event-Driven Programming, Application Programming Interface (API), Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud-Native Computing, Docker (Software), .NET Framework, ASP.NET, Application Deployment, Development Environment, Nginx, YAML, Proxy Servers, Web Servers, Scalability, Microsoft SQL Servers
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Health Technology, Medical Imaging, Diagnostic Radiology, Clinical Documentation, Radiology, Clinical Assessment, Clinical Nursing, Responsible AI, Diagnostic Tests, Health Informatics, X-Ray Computed Tomography, Clinical Research, Predictive Analytics, Artificial Intelligence, Decision Support Systems, AI Personalization, Patient-centered Care
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Succession Planning, Leadership, Leadership Development, Organizational Leadership, Business Ethics, Business Leadership, Leadership and Management, Intercultural Competence, Team Leadership, Creativity, Team Building, Teamwork, Communication, Cultural Sensitivity, Cultural Diversity, Employee Coaching, Influencing, Mentorship, People Management, Coaching
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, General Networking, OSI Models, Network Protocols, Networking Hardware, TCP/IP, Microsoft Windows, Network Routers, Network Switches, Network Administration, Computer Networking, Technical Support and Services, Command-Line Interface, iOS Development, Operating Systems, Configuration Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SonarQube, Code Review, Vulnerability, CI/CD, Secure Coding, GitLab, Jenkins, Application Security, Vulnerability Assessments, Software Quality Assurance, Maintainability, Kubernetes, GitHub, Software Installation, Security Management, Data Integration, Performance Tuning, Quality Improvement, Technical Management, Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Content Performance Analysis, Image Quality, Photography, Marketing Psychology, Photo Editing, Marketing Design, Content Creation, Graphic and Visual Design, Driving engagement, Branding, Color Theory
Mixed · Course · 1 - 4 Weeks