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.

ISC2
Skills you'll gain: Configuration Management, Cybersecurity, Computer Security Awareness Training, Data Security, Security Controls, Security Management, Event Monitoring, Encryption, Network Security, Continuous Monitoring, Cyber Security Policies, Security Strategy, System Monitoring, General Networking, Cryptography, Data Management
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Semiconductors, Electronic Systems, Materials science, Electrical Engineering, Electronic Components, Physics, Electronics, Applied Mathematics
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, Tool Calling, LangGraph, LLM Application, Agentic systems, Generative AI Agents, Responsible AI, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Application Design, Prompt Engineering, Large Language Modeling, Collaborative Software, Software Design Patterns, System Design and Implementation, Software Development, Python Programming, Application Development, Real Time Data, Data Science
Intermediate · Specialization · 1 - 3 Months
University of Michigan
Skills you'll gain: Stored Procedure, PostgreSQL, SQL, Database Management, Database Design, Relational Databases, Query Languages, Data Manipulation, Data Import/Export, Data Integrity, Text Mining, Transaction Processing
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Kanban Principles, Lean Methodologies, Resource Management, Project Controls, Risk Management, Project Management Office (PMO), Project Planning, Communication Planning, Organizational Structure, Governance, Project Portfolio Management, Organizational Leadership, Scaled Agile Framework, Project Performance, Team Performance Management, Team Management, Stakeholder Management, Management Reporting, Communication, Quality Management
Intermediate · Specialization · 1 - 3 Months

University of Virginia
Skills you'll gain: Design Thinking, Stakeholder Engagement, Innovation, Prototyping, Brainstorming, Storytelling, Human Centered Design, Ideation, User Experience Design, Creativity, Customer experience improvement, Service Design, Design Research, Process Mapping, User Experience, Problem Solving, Complex Problem Solving, Qualitative Research, Data Visualization
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: FinTech, Financial Regulation, Financial Services, Payment Systems, Bank Regulations, Lending and Underwriting, Banking Services, Blockchain, Law, Regulation, and Compliance, Financial Data, Digital Assets
Beginner · Course · 1 - 3 Months
Ludwig-Maximilians-Universität München (LMU)
Skills you'll gain: Organizational Structure, Organizational Strategy, Organizational Effectiveness, Organizational Change, Strategic Leadership, Business Strategy, Strategic Decision-Making, Strategic Planning, Growth Strategies, Innovation
Mixed · Course · 1 - 3 Months

Infosec
Skills you'll gain: MITRE ATT&CK Framework, Cyber Threat Hunting, Threat Detection, Threat Modeling, Exploit development, Cybersecurity, Network Security, System Monitoring, Cyber Operations, Continuous Monitoring, Cyber Threat Intelligence, Exploitation techniques, Scripting, IT Automation, Network Monitoring, Command-Line Interface, Persistence, Python Programming, Data Access, Computer Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: LLM Application, Databases, Data Storage Technologies, NoSQL, Data Storage, Query Languages, Artificial Intelligence, Database Architecture and Administration, Applied Machine Learning, Information Management, Generative AI
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Cloud Infrastructure, Network Architecture, Computer Networking, Network Infrastructure, Software-Defined Networking, Cloud Computing, Virtualization, Network Routing, TCP/IP, Wide Area Networks, Data Centers, Network Switches, Virtual Machines, Python Programming
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Image Analysis, Event-Driven Programming, Scalability, C and C++, Distributed Computing, Computer Graphics, Computer Vision, System Programming, Data Processing, Software Development, Performance Tuning, Hardware Architecture, Data Structures, Real Time Data, Algorithms
Intermediate · Course · 1 - 3 Months