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.

Macquarie University
Skills you'll gain: Mobile Security, Anomaly Detection, Criminal Investigation and Forensics, Cyber Security Strategy, Cyber Threat Intelligence, Threat Detection, Investigation, Cyber Attacks, File Systems, Intrusion Detection and Prevention, Fraud detection, Mobile Development, Cybersecurity, Applied Machine Learning, Malware Protection, Cyber Security Policies, Apple iOS, Threat Modeling, Artificial Intelligence and Machine Learning (AI/ML), Data Security
Intermediate · Specialization · 3 - 6 Months

Politecnico di Milano
Skills you'll gain: Artificial Intelligence, Artificial Neural Networks, Responsible AI, Computer Science, Computer Vision, Machine Learning, Data Ethics, Natural Language Processing, Deep Learning
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: OSI Models, Computer Networking, Virtualization, Data Centers, General Networking, Network Architecture, Networking Hardware, Network Protocols, TCP/IP, Virtual Local Area Network (VLAN), Network Infrastructure, Local Area Networks, Network Model, Cloud Computing
Beginner · Course · 1 - 4 Weeks
Imperial College London
Skills you'll gain: Virtual Reality, Augmented and Virtual Reality (AR/VR), Computer Graphics, Visualization (Computer Graphics), Virtual Environment, Logo Design, 3D Assets, Android Studio, Android Development, Computer Graphic Techniques, Application Development, Animation and Game Design, Animations, Interaction Design, Linear Algebra
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Selenium (Software), Object Oriented Programming (OOP), Test Automation, Software Testing, Computer Programming, Scripting, Python Programming, Automation, File Management, Development Environment, Debugging, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: Constructive Feedback, Talent Management, Human Resources Management and Planning, Course Development, Recruitment, Human Resources, Training and Development, Employee Training, Instructional Design, Performance Appraisal, Employee Performance Management, Recruitment Strategies, Organizational Structure, Educational Materials, Student Engagement, Organizational Effectiveness
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Looker (Software), Dashboard, Business Intelligence, Data Analysis Software, Google Gemini, Data Visualization Software, Data Governance, Data Integration, Business Reporting, Self Service Technologies, LLM Application, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Incident Response, Network Architecture, Network Security, Computer Security Incident Management, Intrusion Detection and Prevention, Incident Management, Network Protocols, Threat Detection, Event Monitoring, Threat Management, Network Infrastructure, Security Controls, Cybersecurity, System Monitoring, Operating Systems, Linux, Bash (Scripting Language), Databases
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Excel, Spreadsheet Software, Microsoft Office, Computer Literacy
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Internet Of Things, Cloud Computing Architecture, API Design, Amazon Web Services, Network Protocols, Embedded Software, Telecommunications, Middleware, Application Programming Interface (API), Application Security, Microservices, Cloud Services, Cloud Platforms, Cybersecurity, Wireless Networks
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

INSEAD
Skills you'll gain: Agentic systems, Blockchain, Emerging Technologies, AI Personalization, FinTech, Responsible AI, Artificial Intelligence, Generative AI, Internet Of Things, Web Applications, Digital Assets, Energy and Utilities, Data Integrity, Governance
Mixed · Course · 1 - 4 Weeks

Georgia Institute of Technology
Skills you'll gain: Cloud Applications, Cloud Development, Cloud-Native Computing, Software-Defined Networking, Cloud Computing, Cloud Infrastructure, Distributed Computing, Application Development, Cloud Management, Virtualization, Virtual Machines, Cloud Computing Architecture, Network Performance Management, Data Store, Network Architecture, Multi-Tenant Cloud Environments, Network Infrastructure, Internet Of Things, Data Centers, Computer Networking
Beginner · Specialization · 3 - 6 Months