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: Model Evaluation, Project Management Software, Technical Communication, Technical Product Management, Performance Metric, Agile Project Management, Data Analysis, Project Management, Analytics, Stakeholder Communications, Data-Driven Decision-Making, Machine Learning, Large Language Modeling, R Programming, Data Visualization
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: IntelliJ IDEA, Apache Maven, Integrated Development Environments, Build Tools, Software Development Tools, Version Control, Git (Version Control System), Development Environment, Computer Graphics, Debugging, Scripting Languages, Visualization (Computer Graphics), Databases, Relational Databases
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Customer Analysis, Customer experience improvement, Customer Insights, Customer Service, Trend Analysis, Case Studies, System Implementation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Linux Administration, Linux Servers, Linux, Dynamic Host Configuration Protocol (DHCP), General Networking, Network Protocols, Network Infrastructure, TCP/IP, Network Administration, Ubuntu, Red Hat Enterprise Linux, Servers, System Configuration, Command-Line Interface, YAML
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Inbound Calls, Customer experience improvement, Network Routing, Customer experience strategy (CX), Outbound Calls, Call Center Experience, Security Controls, Customer Inquiries, Process Optimization, Operational Efficiency, Service Level
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Bootstrap (Front-End Framework), Responsive Web Design, UI Components, HTML and CSS, Application Deployment, Cloud Deployment, Web Design, Web Design and Development, Web Development, Front-End Web Development, Web Development Tools, Interactive Design, Javascript, Cloud Hosting, User Interface (UI), User Interface (UI) Design, Typography, Animations, Data Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Authentications, Cryptography, Encryption, .NET Framework, Open Web Application Security Project (OWASP), Application Security, Vulnerability Scanning, C# (Programming Language), Data Security, Data Validation, Cross Platform Development, Development Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, ASP.NET, JavaScript Frameworks, C# (Programming Language), Application Programming Interface (API), Web Applications, Full-Stack Web Development, Restful API, Cloud Deployment, .NET Framework, Microsoft Azure, Back-End Web Development, Object-Relational Mapping, Application Frameworks, Network Routing, Cloud Applications, Server Side, Javascript, Application Deployment, Authentications
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Solutions, Cloud Hosting, Cloud Deployment, Public Cloud, Cloud Computing Architecture, Cloud Management, Cloud Storage, Cost Management, Risk Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Authentications, Hardening, Key Management, Data Security, Cloud Security, Security Management, Security Controls, Encryption, Authorization (Computing), Identity and Access Management, Data Management, Server Administration, System Configuration, Servers, Configuration Management, Database Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scope Management, Project Scoping, Stakeholder Management, Project Management, Expectation Management, Project Estimation, Conflict Management, Resource Management, Team Leadership, Verbal Communication Skills, Communication, Project Planning, Change Orders, Work Breakdown Structure, Team Management, Agile Methodology
Beginner · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Microsoft Azure, Azure Synapse Analytics, Data Integration, Cloud Storage, Data Lakes, Data Pipelines, Data Storage, Databricks, Microsoft SQL Servers, NoSQL, .NET Framework, Data Security, Real Time Data, Encryption, Scalability
Intermediate · Course · 1 - 4 Weeks