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: Apache Hadoop, Big Data, Application Deployment, Social Network Analysis, Data Processing, Distributed Computing, Java, Text Mining, Graph Theory, File Systems
Mixed · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Threat Detection, Identity and Access Management, Incident Response, Cybersecurity, Cyber Attacks, Cyber Security Strategy, Threat Management, Zero Trust Network Access, MITRE ATT&CK Framework, Security Management, Cyber Security Policies, Security Awareness, Security Information and Event Management (SIEM), Security Controls, Endpoint Security, User Accounts, General Data Protection Regulation (GDPR)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Animations, Animation and Game Design, 3D Assets, Computer Graphics, 3D Modeling, Visualization (Computer Graphics), Motion Graphics, Simulations, Video Game Development, Design Elements And Principles, Design and Product
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Business Logic, User Interface (UI), Application Development, Web Applications, Software Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Computer Security Incident Management, Incident Response, Network Security, Information Systems Security, Security Information and Event Management (SIEM), Encryption, Security Controls, Infrastructure Security, Cyber Risk, TCP/IP, Cryptography, Vulnerability Management, Multi-Factor Authentication, Virtual Private Networks (VPN), Authentications, Operating Systems
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Docker (Software), Containerization, Cloud-Native Computing, DevOps, CI/CD, Application Deployment, Data Persistence, YAML, Virtual Networking, Software Installation, Network Planning And Design, Command-Line Interface, System Requirements
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Workflow Management, Kanban Principles, Process Management, Process Flow Diagrams, Team Performance Management, Lean Methodologies, Process Improvement, Agile Project Management, Process Improvement and Optimization, Forecasting, Stakeholder Communications, Performance Measurement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C (Programming Language), Game Design, Programming Principles, Program Development, Computational Logic, Data Validation, Command-Line Interface, User Interface (UI), Data Structures
Beginner · Course · 1 - 4 Weeks

Koç University
Skills you'll gain: Numerical Analysis, Calculus, Applied Mathematics, Integral Calculus, Mathematical Software, Mathematics Education, Advanced Mathematics, Mathematical Theory & Analysis, Derivatives
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Dashboard, Issue Tracking, Data Visualization, Microsoft Excel, Project Management Software, Project Schedules, Key Performance Indicators (KPIs), Agile Project Management, Project Management, Workflow Management, Analysis, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Data Structures, Javascript, Application Programming Interface (API), Computer Programming, Object Oriented Programming (OOP), Debugging
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