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: Rmarkdown, Web Scraping, Geospatial Information and Technology, Microsoft Azure, Cloud Storage, Interactive Data Visualization, R Programming, Data Collection, Cloud Services, Data Manipulation, Data Science, Data Visualization Software, Data Integration, Data Analysis, Data Ethics, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Web Servers, Server Side, Full-Stack Web Development, Back-End Web Development, Network Protocols, Debugging, Javascript, Web Applications, Cryptography, TCP/IP, Real Time Data, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Deployment, Analytics, R Programming, Google Sheets, Health Informatics, Predictive Modeling, Automation, Data Manipulation, GitHub, Gmail, Git (Version Control System), Command-Line Interface
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Microsoft Azure, Real Time Data, Serverless Computing, Cloud Applications, Virtual Machines, Cloud Computing Architecture, Microservices, Event-Driven Programming, Solution Architecture, Infrastructure As A Service (IaaS), Cloud Services, Containerization, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache, Web Servers, Authentications, Application Servers, Server Side, Secure Coding, Web Applications, Application Security, Restful API, Servers, Back-End Web Development, Javascript
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Event-Driven Programming, User Interface (UI), UI Components, User Interface (UI) Design, Development Environment, Cross Platform Development, Application Development, Software Installation, Data Modeling, Debugging
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Predictive Analytics, Regression Analysis, Predictive Modeling, Machine Learning, Supervised Learning, Forecasting, Case Studies, Business Analytics, Statistical Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Game Design, Video Game Development, Animation and Game Design, User Interface (UI), Animations, Debugging, C# (Programming Language), User Interface (UI) Design, Scripting, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Package and Software Management, Linux Administration, Command-Line Interface, Unix Commands, Linux Servers, Linux, Operating System Administration, Authorization (Computing), Linux Commands, Systems Administration, User Accounts, Shell Script, Unix Shell, Remote Access Systems, Network Security, Network Administration, General Networking, File Management, System Configuration, Data Storage
Mixed · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Web Design, HTML and CSS, Bootstrap (Front-End Framework), Cascading Style Sheets (CSS), UI Components, Javascript and jQuery, Front-End Web Development, Hypertext Markup Language (HTML), Web Development, Browser Compatibility, Javascript, Typography, Web Analytics and SEO, Wireframing, Web Content Accessibility Guidelines, Logo Design
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Test Script Development, JSON
Advanced · Course · 1 - 3 Months

Skills you'll gain: Continuous Integration, Continuous Deployment
Intermediate · Course · 1 - 4 Weeks