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.

Duke University
Skills you'll gain: Rust (Programming Language), Serverless Computing, Command-Line Interface, Maintainability, Amazon Web Services, Linux Commands, Application Deployment, Software Development Tools, Program Development, System Programming, Python Programming, Performance Tuning, Debugging, Software Testing
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Large Language Modeling, Email Security, Exploitation techniques, AI Security, Border Gateway Protocol, Malware Protection, Mobile Security, Cybersecurity, Network Security, Open Web Application Security Project (OWASP), TCP/IP, Threat Detection, Network Analysis, Internet Of Things, Network Protocols, Network Monitoring, Responsible AI, Network Routing, Infrastructure Security, Application Security
Intermediate · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Mobile Security, Investigation, Mobile Development, Apple iOS, Criminal Investigation and Forensics, Android (Operating System), Application Security, Legal Proceedings, Cybersecurity, File Systems, Malware Protection, Computer Security, Secure Coding, Computer Security Incident Management, Cloud Security, Security Strategy, Analysis, Encryption, Debugging, Disaster Recovery
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Student Engagement, Algorithms, Diversity Awareness, K-12 pedagogy, Facebook, Instructional Strategies, Programming Principles, Data Storage, Software Engineering, Geographic Information Systems, Image Analysis, Lesson Planning, Computer Science, Theoretical Computer Science, Social Impact
Beginner · Course · 1 - 3 Months

University of Glasgow
Skills you'll gain: Responsible AI, digital literacy, Education Software and Technology, Generative AI, Artificial Intelligence, Data Ethics, Emerging Technologies, Instructional Design, Case Studies, Problem Solving, Critical Thinking, Social Impact
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Security, PostgreSQL, Database Administration, Google Cloud Platform, Authentications, Database Management, Identity and Access Management, Key Management
Beginner · Project · Less Than 2 Hours

University of Glasgow
Skills you'll gain: Federated Learning, Wireless Networks, Emerging Technologies, Digital Communications, Communication Systems, Blockchain, Internet Of Things, Network Security, Telecommunications, Network Performance Management, Network Planning And Design, Zero Trust Network Access, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Electrical Engineering, Network Analysis, Information Technology, Electronics Engineering, Machine Learning, Trustworthiness
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Open Web Application Security Project (OWASP), Application Security, Secure Coding, Cloud Security, Cybersecurity, Vulnerability Assessments, Cyber Attacks, Information Systems Security, Security Engineering, Metasploit, Security Strategy, Infrastructure Security, Incident Management, Vulnerability Scanning, Security Testing, Hardening, Penetration Testing, Mobile Security
Advanced · Course · 1 - 3 Months

Skills you'll gain: ChatGPT, Data Analysis, OpenAI, Data-Driven Decision-Making, AI Enablement, Generative AI, Analytics, Content Creation, Prompt Engineering, Content Strategy, Artificial Intelligence, Business Intelligence, Customer Support, Customer experience improvement, Automation
Intermediate · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: Application Development, Generative AI Agents, Large Language Modeling, Software Development Tools, AI Enablement, IntelliJ IDEA, AI Workflows, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Integrated Development Environments, Agentic systems, Software Development, Software Development Life Cycle
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Spreadsheet Software, Excel Formulas, Project Management, Project Coordination, Organizational Skills, Productivity Software, Collaborative Software, Project Planning, Data Validation, Data Sharing
Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Penetration Testing, Cyber Governance, Risk Management, Vendor Management, Governance Risk Management and Compliance, Security Awareness, Security Strategy, Business Risk Management, Cyber Security Policies, Compliance Management, Business Continuity, Personally Identifiable Information, Data Security
Intermediate · Course · 1 - 4 Weeks