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.

Skills you'll gain: Incident Response, Network Security, Intrusion Detection and Prevention, Computer Security Incident Management, Command-Line Interface, Cryptography, Open Web Application Security Project (OWASP), Cyber Threat Intelligence, Application Security, Secure Coding, Cybersecurity, Encryption, Information Systems Security, Vulnerability Assessments, Metasploit, Risk Management Framework, Multi-Factor Authentication, Cloud Security, Penetration Testing, Risk Management
Intermediate · Specialization · 3 - 6 Months

Università di Napoli Federico II
Skills you'll gain: Political Sciences, Policy Analysis, Social Sciences, Systems Thinking, Governance, World History, Research Methodologies, Case Studies
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

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Software Design Patterns, Unified Modeling Language, Software Design, Java Programming, Software Architecture, Application Design, User Interface and User Experience (UI/UX) Design, API Design, Data Modeling, Artificial Intelligence
Build toward a degree
Intermediate · Course · 1 - 3 Months

Association of International Certified Professional Accountants
Skills you'll gain: Key Management, Blockchain, Digital Assets, Emerging Technologies, Cryptography, Distributed Computing, Transaction Processing, Ledgers (Accounting), Data Storage, Data Integrity
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Data Ethics, Responsible AI, Wealth Management, Supervised Learning, Machine Learning, Financial Services, Applied Machine Learning, AI Personalization, Artificial Intelligence and Machine Learning (AI/ML), Learning Management Systems, Artificial Intelligence, FinTech, Data Mining, Regulatory Compliance, Financial Planning, Relationship Building, Risk Modeling, Legal Risk, Mobile Development, Human Computer Interaction
Intermediate · Specialization · 1 - 3 Months

Simplilearn
Skills you'll gain: Apache Maven, Build Tools, Continuous Integration, Software Configuration Management, Version Control, Java, Software Versioning, Mac OS, Software Installation, Development Environment
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: AI Product Strategy, Business Strategy, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Technology Strategies, Artificial Neural Networks, Applied Machine Learning, Data Science, Deep Learning, Machine Learning, Business Ethics, Recruitment
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Cloud Development, Cloud Computing Architecture, Cloud Computing, Amazon Web Services, Cloud Infrastructure, Cloud Services, Internet Of Things, Amazon Elastic Compute Cloud, Linux Administration, Software Installation, Embedded Systems, AWS Identity and Access Management (IAM), Restful API
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Responsible AI, Data Ethics, Microsoft Copilot, Software Development Tools, Prompt Engineering, Software Documentation, Artificial Intelligence, Code Review
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unified Modeling Language, Visual Basic (Programming Language), Data Structures, Object Oriented Design, Data Modeling, Microsoft Visual Studio, Program Development, Object Oriented Programming (OOP), .NET Framework, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Vulnerability Assessments, Application Security, Vulnerability Management, Event Monitoring, Secure Coding, Security Controls, Hardening, Data Integrity, Security Testing, System Monitoring, Cybersecurity, Patch Management, Threat Modeling, Authorization (Computing), Cryptography, Extensible Markup Language (XML), System Configuration, Server Side
Intermediate · Specialization · 3 - 6 Months