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: Unix Commands, Unix, Command-Line Interface, Linux Commands, Shell Script, File Systems, File Management, Dataflow
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: MySQL, Database Design, User Interface (UI), Python Programming, User Interface (UI) Design, Database Application, Databases, Database Management, Relational Databases, Application Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hypertext Markup Language (HTML), Bootstrap (Front-End Framework), Development Environment, Responsive Web Design, Version Control, Cascading Style Sheets (CSS), Web Design, Front-End Web Development, Application Deployment, Integrated Development Environments, Web Development Tools, Cloud Hosting
Beginner · Course · 1 - 3 Months

Skills you'll gain: Unreal Engine, Video Game Development, Game Design, Animation and Game Design, Scripting, Virtual Environment, Event-Driven Programming
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: PHP (Scripting Language), Web Applications, Server Side, Web Development, HTML and CSS, Web Servers, Programming Principles, Data Validation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Teams, Microsoft 365, Team Management, Group Policy, Azure Active Directory, User Accounts, User Provisioning, System Configuration, Identity and Access Management, Product Lifecycle Management, Windows PowerShell, Network Planning And Design, Network Performance Management, Security Controls
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Virtualization, Data Centers, VMware ESX Servers, Virtual Machines, IT Infrastructure, Cloud Infrastructure, Software-Defined Networking, Network Infrastructure, Infrastructure As A Service (IaaS), Data Storage, Cloud Computing, Servers, Enterprise Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Terraform, Infrastructure as Code (IaC), Amazon Web Services, Cloud Infrastructure, Cloud Computing, Multi-Cloud, Microsoft Azure, Google Cloud Platform, Command-Line Interface, Version Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SAS (Software), Data Visualization, Data Manipulation, Data Analysis, Data Import/Export, Data Visualization Software, SQL, Statistical Analysis, Data Cleansing, Data Transformation, Exploratory Data Analysis
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Continuous Integration, Code Coverage, Code Review, Vulnerability, CI/CD, Application Security, DevSecOps, Vulnerability Assessments, Software Quality Assurance, Maintainability, Software Quality (SQA/SQC), GitHub, Software Installation, System Configuration, Security Management, Data Integration, Quality Improvement, Analysis
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Inference, R (Software), Statistical Reporting, Data Analysis, Statistical Analysis, R Programming, Statistical Methods, Probability & Statistics, Quantitative Research, Sampling (Statistics), Probability Distribution
Beginner · Course · 1 - 3 Months

Skills you'll gain: jQuery, Ajax, Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Content Accessibility Guidelines, Usability, Javascript and jQuery, Hypertext Markup Language (HTML), Web Development, Web Design and Development, Usability Testing, Javascript, Application Deployment, Web Design, Interactive Data Visualization, Event-Driven Programming, Semantic Web, Web Applications, Functional Testing
Beginner · Specialization · 1 - 3 Months