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.

Johns Hopkins University
Skills you'll gain: MITRE ATT&CK Framework, Open Web Application Security Project (OWASP), Penetration Testing, Exploitation techniques, Distributed Denial-Of-Service (DDoS) Attacks, Mobile Security, Cybersecurity, Brute-force attacks, Network Security, Vulnerability Assessments, Web Applications, Wireless Networks, Encryption, Network Protocols
Intermediate · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Incident Response, Cybersecurity, Cyber Attacks, Computer Security Incident Management, Security Awareness, Personally Identifiable Information, Cyber Risk, Threat Detection, Information Privacy, Safety and Security, Multi-Factor Authentication
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Python Programming, Data Pipelines, Scripting, Computer Programming, Data-oriented programming, Scripting Languages, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Responsible AI, Artificial Intelligence and Machine Learning (AI/ML), AI Enablement, Machine Learning, Governance, Model Evaluation, Risk Mitigation, Algorithms, Data Preprocessing, Business Ethics, Data Governance, Data Collection, Regulatory Requirements, Business, Business Strategy, Business Planning
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, Query Languages, Data Manipulation, Data Quality, Data Presentation, Data Mining
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Derivatives, Futures Exchange, Financial Market, Equities, Financial Trading, Capital Markets, Investments, Securities Trading, Market Dynamics, Portfolio Risk, Risk Management, Profit and Loss (P&L) Management, Risk Analysis, Arbitration
Mixed · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: AI Security, Responsible AI, Data Ethics, LLM Application, Generative AI, Google Gemini, Artificial Intelligence, Cloud Security, Governance Risk Management and Compliance, Cyber Security Strategy, Security Strategy, Artificial Intelligence and Machine Learning (AI/ML), Computer Security Awareness Training, Network Security, Security Management, Cyber Attacks, Cyber Security Policies, Natural Language Processing, Risk Management, Supply Chain
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Applications, Application Development, Web Development, Leaflet (Software), React.js, UI Components, User Interface (UI), Application Deployment, Cloud Deployment, JavaScript Frameworks, OAuth, User Accounts, Authentications, Front-End Web Development, Development Environment, User Interface and User Experience (UI/UX) Design, Secure Coding, Responsive Web Design, Javascript, Software Installation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Big Data, Public Cloud, Cloud Computing, Event Monitoring, Cloud Storage, Data Import/Export, Analytics
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Bootstrap (Front-End Framework), Responsive Web Design, UI Components, HTML and CSS, Application Deployment, Cloud Deployment, Web Design, Web Design and Development, Web Development, Front-End Web Development, Web Development Tools, Interactive Design, Javascript, Cloud Hosting, User Interface (UI), User Interface (UI) Design, Typography, Animations, Data Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cyber Threat Intelligence, Cyber Threat Hunting, Threat Detection, Vulnerability Assessments, Incident Response, Security Information and Event Management (SIEM), Cybersecurity, Threat Management, Cloud Security, Cyber Risk, Intrusion Detection and Prevention, Cyber Security Policies, Data Security, Network Security, Cyber Security Strategy, Personally Identifiable Information, Malware Protection, Security Controls, Email Security, Risk Management
Beginner · Specialization · 1 - 4 Weeks

Goodwill Industries International
Skills you'll gain: digital literacy, Training Programs, Relationship Building, Community Development, Community Outreach, Curriculum Planning, Needs Assessment, Program Evaluation, Planning, Collaboration, Resourcefulness, Data Mapping, Cultural Sensitivity
Beginner · Course · 1 - 4 Weeks