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: Programming Principles, Computer Programming, Python Programming, Scripting, Computational Logic, Scripting Languages, Computer Science
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Help Desk Support, System Configuration, Computer Hardware, Networking Hardware, Hardware Troubleshooting, Technical Support, Peripheral Devices, Desktop Support, Computer Networking, General Networking, Operating Systems, Wireless Networks
Beginner · Course · 1 - 4 Weeks
Sapienza University of Rome
Skills you'll gain: Ancient History, Public History, Political Sciences, Art History, European History, World History, Research, Investigation, Social Sciences, Culture, Governance, Scientific Methods, Data Collection, Storytelling
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Microsoft Azure, Virtual Machines, Cloud Infrastructure, Network Security, Virtualization and Virtual Machines, Cloud Computing, Cloud Management, Firewall, Infrastructure Security, Cloud Security, Cloud Platforms, Cloud Storage, Virtual Networking
Beginner · Course · 1 - 3 Months

Skills you'll gain: Security Information and Event Management (SIEM), Splunk, Threat Detection, System Monitoring, Cybersecurity, Security Management, Event Monitoring, Incident Response, Data Analysis Software, Information Management, Data Management, Data Storage, Configuration Management, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Digital Marketing, Digital Media Strategy, Business Strategies, Digital Advertising, Growth Strategies, Social Media, Pay Per Click Advertising, Market Analysis
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Threat Modeling, Identity and Access Management
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Program Management, Return On Investment, Project Portfolio Management, Organizational Strategy, Project Management, Project Management Life Cycle, Leadership and Management, Benefits Administration, Process Improvement, Strategic Decision-Making, Goal Setting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Test Automation, Test Script Development, Application Programming Interface (API), Test Case, Restful API, Software Testing, Configuration Management, Java Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: React.js, Routing Protocols, UI Components, JavaScript Frameworks, Frontend Performance, Front-End Web Development, Performance Tuning, Web Content Accessibility Guidelines, Cascading Style Sheets (CSS), Event-Driven Programming, User Experience Design, User Interface (UI), Jest (JavaScript Testing Framework), Web Development Tools, Interaction Design, Debugging, Javascript, Application Performance Management, Web Frameworks, Data Management
Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: TypeScript, Node.JS, Web Development Tools, React.js, Server Side, Javascript, Data Structures, Web Development, Data Validation, Web Design, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Model View Controller, JSON, API Design, Web Services, Middleware, Back-End Web Development, Server Side, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks