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.

LearnKartS
Skills you'll gain: Security Controls, Cybersecurity, Encryption, Cyber Attacks, Information Systems Security, Threat Management, Vulnerability Assessments, Vulnerability, Cyber Security Assessment, Vulnerability Scanning, Threat Detection, Cloud Security, Asset Protection, Security Awareness, Gap Analysis
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electrical Engineering, electromagnetics, Electronic Components, Mathematical Modeling, Thermal Management, Engineering Analysis, Engineering Design Process, Engineering Calculations, Applied Mathematics
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Application Security, Angular, OAuth, Test Driven Development (TDD), Web Components, Cryptography, Data Validation, Vue.JS, Data Security, Authentications, HTML and CSS, Encryption, Authorization (Computing), General Data Protection Regulation (GDPR), Web Development, Web Applications, JavaScript Frameworks, Javascript, Security Strategy, Computer Programming
Beginner · Specialization · 1 - 3 Months

New York University
Skills you'll gain: Infrastructure Security, Cyber Security Strategy, Mobile Security, Enterprise Security, Cyber Risk, Cyber Security Policies, Cybersecurity, Cloud Security, NIST 800-53, Hybrid Cloud Computing, Security Awareness, Cloud Computing Architecture, Blockchain, Internet Of Things, Cryptography, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Universidad Austral
Skills you'll gain: Organizational Structure, Organizational Change, Agile Methodology, Culture Transformation, Business Transformation, Agile Project Management, Sprint Retrospectives, Sprint Planning, Organizational Leadership, Strategic Leadership, Continuous Improvement Process, Complex Problem Solving
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Asset Management, Intellectual Property, Data Quality, Information Management, Digital Assets, Business Valuation, Information Systems, Management Information Systems, Data Governance, Enterprise Modeling, Business Metrics, Accounting, Organizational Structure, Innovation, Data Analysis, Big Data
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Mobile Security, Criminal Investigation and Forensics, Investigation, Cyber Security Strategy, Cyber Threat Intelligence, Cyber Attacks, Intrusion Detection and Prevention, Cybersecurity, Mobile Development, Cyber Security Policies, Apple iOS, Artificial Intelligence and Machine Learning (AI/ML), Cyber Governance, Data Security, Threat Modeling, Android (Operating System), Application Security, Computer Security, Legal Proceedings, Machine Learning Methods
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cybersecurity, Cyber Operations, Data Persistence, Exploitation techniques, Persistence, Intrusion Detection and Prevention, Scripting, Python Programming, Microsoft Windows
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Grafana, System Monitoring, Prometheus (Software), Application Performance Management, DevOps, Continuous Monitoring, Docker (Software), Cloud-Native Computing, Containerization, Kubernetes, Microservices, Debugging, Distributed Computing, Data Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Stakeholder Engagement, Solution Sales Engineering, Customer Engagement, Consultative Approaches, Stakeholder Communications, Product Roadmaps, Requirements Elicitation, SAP Applications, Technical Consulting, Customer Insights, Process Analysis, Business Analysis, Project Management
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: JSON, NoSQL, Cloud API, Javascript, Data Store, Data Import/Export, Cloud Computing, Software Development
Beginner · Guided Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: LangGraph, LangChain, AI Workflows, LLM Application, Agentic systems, Prompt Engineering, Data Persistence, Context Management, Human Centered Design
Intermediate · Project · Less Than 2 Hours