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.

Microsoft
Skills you'll gain: Data Wrangling, Data Manipulation, Data Transformation, Tidyverse (R Package), Data Cleansing, Data Preprocessing, R Programming, Data Structures
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Ubuntu, Cybersecurity, Cyber Attacks, Microsoft Windows, Computer Security, Computer Security Awareness Training, Information Systems Security, Linux, Cyber Security Policies, Network Security, Virtualization, Linux Commands, Linux Administration, Data Ethics, Data Security, Virtualization and Virtual Machines, Hardening, Command-Line Interface, Operating System Administration, Virtual Machines
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Animation and Game Design, Unity Engine, User Interface (UI), Game Design, Video Game Development, User Interface (UI) Design, Visualization (Computer Graphics), C# (Programming Language), Scripting
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Animation and Game Design, Video Game Development, Game Design, Scripting, 3D Assets, User Interface (UI), User Interface (UI) Design, Prototyping, C# (Programming Language), Debugging
Beginner · Course · 3 - 6 Months

National Taiwan University
Skills you'll gain: Logistic Regression, Sampling (Statistics), Model Evaluation, Statistical Methods, Regression Analysis, Statistical Hypothesis Testing, Statistical Modeling, Statistical Analysis, R Programming, Business Analytics, Probability & Statistics
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Mobile Security, AI Security, Threat Detection, Security Controls, Exploit development, Threat Modeling, Hardening, Threat Management, Endpoint Security, Artificial Intelligence, Mobile Development Tools, Deep Learning, Incident Response, Information Privacy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud-Native Computing, Cloud Applications, Cloud Storage, Google Cloud Platform, Cloud Services, Application Development, Application Design, Data Storage, Cloud API, Data Store, Microservices
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Web Design and Development, Front-End Web Development, Animations, Javascript, Application Deployment, Interactive Design, Web Content Accessibility Guidelines, User Interface (UI), Usability, Maintainability
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Performance Tuning, Disaster Recovery, VMware ESX Servers, vCenter Server, vSphere Networking and Storage, Virtual Networking, System Monitoring, Virtual Machines, IT Infrastructure, Capacity Management, Patch Management, Data Migration, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Game Design, Video Game Development, Unreal Engine, Animation and Game Design, Data Persistence, Virtual Environment, Computer Graphics, 3D Assets, Visualization (Computer Graphics), Scripting, Data Structures, Performance Tuning
Mixed · 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: Algorithms, Pseudocode, Javascript, Data Structures, Computational Thinking, Performance Tuning, Computer Programming, Solution Design, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 4 Weeks