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: AI Security, Responsible AI, Cyber Security Strategy, Cyber Attacks, Cyber Threat Intelligence, Cybersecurity, Data Security, DevSecOps, Security Engineering, Artificial Intelligence, Threat Modeling, Cyber Governance, Artificial Intelligence and Machine Learning (AI/ML), Risk Management, Encryption, Application Programming Interface (API), Machine Learning, Governance, Regulation and Legal Compliance, Applied Machine Learning
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Robotics, Artificial Intelligence, Graph Theory, Algorithms, Computer Vision, Data Structures, Python Programming
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Proposal Writing, Business Writing, Proposal Development, Sales Presentation, Sales Presentations, Presentations, Value Propositions, Data Visualization, Company, Product, and Service Knowledge, Content Creation, Business Strategy, Entrepreneurship
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Digital Transformation, Business Transformation, Design Thinking, Technology Strategies, Business Process Reengineering, Data Strategy, Growth Strategies, Business Strategies, Market Dynamics, Innovation, Emerging Technologies, Competitive Analysis, Leadership, Communication
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Modeling, Oracle SQL Developer, Relational Databases, Database Design, Databases, SQL, Oracle Databases, Database Management, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Test Automation, Selenium (Software), Test Case, Software Testing, Test Execution Engine, Test Data, Apache Maven, Automation, Application Frameworks, Software Design Patterns, Java, Maintainability, Extensible Markup Language (XML)
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Data Integrity, Encryption, Authentications, Information Assurance, Data Security, Public Key Cryptography Standards (PKCS)
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Remote Access Systems, Linux, Web Applications, Internet Of Things, Embedded Systems, Application Programming Interface (API), Robotics, Linux Commands, Command-Line Interface, Electronics, Control Systems, Electronic Systems, System Configuration, Python Programming, Hardware Troubleshooting, Software Installation, Peripheral Devices
Mixed · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Ansible, YAML, Network Architecture, Network Administration, Infrastructure as Code (IaC), General Networking, Automation, Technical Documentation, Configuration Management, JSON, Python Programming
Intermediate · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Environmental Science, Natural Resource Management, Laboratory Reports, Environment and Resource Management, Environmental Monitoring, Data Collection, Environment, Scientific Methods, Land Management, Biology, Hydrology, Water Resource Management, Climate Change Adaptation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Target Audience, Marketing, Value Propositions, Global Marketing, Search Engine Optimization, Diversity Marketing, Content Marketing, Brand Strategy, Marketing Strategies, Marketing Analytics, Data-Driven Decision-Making, Market Research, Consumer Behaviour, Cultural Responsiveness
Beginner · Course · 1 - 4 Weeks

Goodwill Industries International
Skills you'll gain: digital literacy, Computer Literacy, Disabilities, Web Content Accessibility Guidelines, Diversity Awareness, Digital Communications, Community Development, Community Outreach, End User Training and Support, Advocacy, Telecommunications, Ethical Standards And Conduct, Data Access, Requirements Analysis
Beginner · Course · 1 - 4 Weeks