Java Data Structures courses can help you learn about arrays, linked lists, stacks, queues, and hash tables. You can build skills in algorithm efficiency, data manipulation, and implementing search and sort techniques. Many courses introduce tools like Eclipse or IntelliJ IDEA, which support coding practices and debugging, allowing you to apply your knowledge in real coding environments. You'll also explore concepts such as recursion and tree structures, enhancing your ability to tackle complex programming challenges.

Northeastern University
Skills you'll gain: Natural Language Processing, Model Evaluation, Embeddings, Text Mining, Artificial Intelligence, Recurrent Neural Networks (RNNs), Artificial Neural Networks, Deep Learning, Machine Learning, Unsupervised Learning, Dimensionality Reduction
Mixed · Course · 1 - 3 Months
Skills you'll gain: Computer Security Incident Management, Endpoint Security, Incident Management, Incident Response, ISO/IEC 27001, Security Management, Vulnerability Scanning, Digital Forensics, Risk Management, Personally Identifiable Information, Linux, Linux Administration, Infrastructure Security, Network Security, Threat Management, Event Monitoring, Enterprise Risk Management (ERM), Business Risk Management, Security Information and Event Management (SIEM), Security Strategy
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Disaster Recovery, Business Continuity Planning, Contingency Planning, Business Risk Management, Data Loss Prevention, Risk Analysis, General Data Protection Regulation (GDPR), Personally Identifiable Information, Standard Operating Procedure, Incident Response, Threat Management, Compliance Management, Program Development, Continuous Improvement Process
Intermediate · Course · 1 - 4 Weeks

Oracle
Skills you'll gain: Cloud Applications, Oracle Cloud, Application Development, Application Design, Oracle Databases, Authentications, Application Security, Authorization (Computing), UI Components, Data Import/Export, Interactive Data Visualization
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Deepseek, LangChain, Generative AI, LLM Application, Tool Calling, AI Workflows, AI Orchestration, Prompt Engineering, Automation, Data Integration, Cross Platform Development, Systems Integration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, UI Components, User Interface (UI), MySQL, User Interface (UI) Design, Object Oriented Programming (OOP), Event-Driven Programming, Database Design, Application Deployment, Application Design, Python Programming, Application Development, Database Management, Graphical Tools, Database Application, Databases, Software Design, Computer Graphics, Development Environment, SQL
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Manufacturing Operations, Manufacturing Processes, Process Control, Lean Manufacturing, Production Management, Operational Efficiency, Continuous Improvement Process, Sustainability Standards, Collaboration, Innovation, Adaptability, Communication
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Ethics, Security Awareness, Computer Security Awareness Training, Ethical Standards And Conduct, Cybersecurity, Information Technology, Responsible AI, Information Privacy, Social Impact, Media and Communications, Personally Identifiable Information, Artificial Intelligence, General Data Protection Regulation (GDPR)
Build toward a degree
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Networking Hardware, Network Infrastructure, Network Routers, Network Switches, Network Architecture, Cloud Infrastructure, Internet Of Things, General Networking, Network Administration, Network Protocols, Infrastructure Security, Wireless Networks, Network Planning And Design, Network Security, System Implementation, Cloud Computing, System Monitoring
Intermediate · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Business Transformation, Business Modeling, Social Impact, Strategic Partnership, Organizational Change, Resource Management, Sustainable Business, Innovation, Economics, Public Policies, Human Resources
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Mobile Development, User Interface and User Experience (UI/UX) Design, React Native, Apple iOS, Android Development, iOS Development, Application Development, Databases, Database Management, Flutter (Software), Application Deployment, Back-End Web Development, Application Performance Management, Marketing Strategies, Google Analytics
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Agile Methodology, Scrum (Software Development), Embedded Software, Agile Software Development, Embedded Systems, Software Testing, Development Testing, Software Development Methodologies, Git (Version Control System), Docker (Software), Containerization, Linux, System Programming, Operating Systems, File Systems, Internet Of Things, Build Tools
Build toward a degree
Advanced · Course · 1 - 4 Weeks