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: Apple iOS, Swift Programming, Interactive Data Visualization, User Interface (UI), Data Sharing, Application Programming Interface (API), User Interface (UI) Design, Data Modeling, Real Time Data
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Threat Management, Cyber Security Assessment, Regulatory Requirements
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Bash (Scripting Language), Shell Script, Unix, System Monitoring
Intermediate · Course · 1 - 3 Months

Skills you'll gain: 3D Modeling, Post-Production, Cinematography, Game Design, Video Game Development, Video Production, Augmented and Virtual Reality (AR/VR), File Management, Functional Design, Image Quality, Simulations, Aesthetics, Design Elements And Principles, Layout Design, Color Theory
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Azure, Cloud Security, Data Governance, Data Management, Data Security, Secure Coding, Cloud Applications, Application Security, Identity and Access Management, Key Management, Multi-Factor Authentication, Encryption, Role-Based Access Control (RBAC)
Advanced · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Cloud Deployment, Devops Tools, Cloud Applications, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PL/SQL, Oracle Databases, Stored Procedure, SQL, Data Persistence, Database Development, Database Management Systems, Web Services, Data Storage Technologies, Authorization (Computing), Debugging, File Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Application Programming Interface (API), Web Development, Development Environment, Restful API, Web Applications, Data Integration, Hypertext Markup Language (HTML), Data Structures, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Node.JS, JavaScript Frameworks, Authentications, OAuth, Web Applications, Back-End Web Development, Server Side, Secure Coding, Web Development Tools, Application Servers, Database Management, Javascript, Databases, Cryptography, Data Storage Technologies, Middleware, Routing Protocols
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Sales Prospecting, Lead Generation, Cross-Channel Marketing, Sales Development, Global Marketing, Communication Strategies, Customer Engagement, LinkedIn, Sales Pipelines, Sales Strategy, AI Personalization, Personalized Service, Customer Relationship Management (CRM) Software, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, Game Design, User Interface (UI), Video Game Development, User Interface (UI) Design, Animation and Game Design, Scripting, Event-Driven Programming, Prototyping, Real Time Data
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Browser Compatibility, Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Extensible Markup Language (XML), Style Guides, Maintainability
Mixed · Course · 1 - 4 Weeks