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.

Skills you'll gain: Network Troubleshooting, Hardware Troubleshooting, Cloud Computing, Cloud Infrastructure, Virtualization, Computer Hardware, Network Protocols, Virtual Machines, General Networking, Network Administration, Network Security, Cloud Storage, Desktop Support, Hardware Architecture, TCP/IP, Peripheral Devices, Wireless Networks, Mobile Security, USB, Networking Hardware
Intermediate · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Test Driven Development (TDD), Unit Testing, Development Testing, Software Testing, Testability, Java, Test Case
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Identity and Access Management, Google Cloud Platform, Cloud Infrastructure, Cloud Computing, Cloud Management, Data Storage, Cloud Storage, Security Controls, Authorization (Computing), System Monitoring, Encryption, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Object-Relational Mapping, Application Frameworks, Full-Stack Web Development, Software Configuration Management, Application Design, Development Environment, Microsoft Visual Studio, User Interface (UI), Microsoft Development Tools, Application Development, Authorization (Computing), HTML and CSS, Maintainability, Data Modeling, Data Migration, Data Mapping, Business Logic, Web Servers, Debugging
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Basic Electrical Systems, Electrical Systems, Sustainable Technologies, Power Electronics, Electric Power Systems, Electronic Systems, Electrical Engineering, Sustainable Engineering, Energy and Utilities, Environmental Engineering, Performance Testing, High Voltage, Environmental Science, Systems Integration, Thermal Management, Climate Change Mitigation, Control Systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Infrastructure, Load Balancing, Cloud Computing, Cloud Applications, Cloud Deployment, Cloud Platforms, Cloud Services, Cloud Solutions, Scalability, Microsoft Azure, Application Deployment, Amazon Web Services, ASP.NET, Disaster Recovery, Capacity Management, Application Performance Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Object Oriented Design, Python Programming, Programming Principles, Data Dictionary, Computer Programming, Data Structures, Debugging, Computational Logic, Command-Line Interface, Data Cleansing, Software Design Patterns, Functional Design, Scripting, Operating Systems, Pseudocode, Development Environment, File Management, Computational Thinking
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: CI/CD, Continuous Deployment, Continuous Integration, Application Deployment, Build Tools, Cloud Deployment, Application Performance Management, Test Automation, Software Development Tools, Containerization, System Monitoring, ASP.NET, Unit Testing, Release Management, Git (Version Control System), Version Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Infrastructure, Prompt Engineering, Google Cloud Platform, Infrastructure As A Service (IaaS), Cloud Applications, Identity and Access Management, Generative AI, Kubernetes, Cloud Computing, Cloud Storage, Virtual Machines, Network Infrastructure, Containerization, Serverless Computing, Platform As A Service (PaaS), Virtual Networking, Load Balancing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Behavior-Driven Development, Apache Maven, API Testing, Test Script Development, Restful API, Test Automation, JSON, Scalability, Test Case, Test Data, Authentications, Java
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), Development Environment, Programming Principles, Data Structures, Integrated Development Environments, System Programming, Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Jest (JavaScript Testing Framework), Web Development Tools, Javascript, Unit Testing, Web Applications, Object Oriented Programming (OOP), Node.JS, JSON, Computer Programming, Data Structures, Debugging, Package and Software Management, Program Development, Front-End Web Development, Functional Design
Beginner · Course · 1 - 3 Months