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.

University of Colorado Boulder
Skills you'll gain: Simulations, Matlab, Mathematical Modeling, Electronic Systems, Power Electronics, Electrical Engineering, Electrical Systems, Predictive Modeling, Engineering Calculations, Engineering Analysis, Applied Mathematics, Basic Electrical Systems, Analytical Testing, Scripting, Numerical Analysis, Scripting Languages, Laboratory Testing
Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Risk Management, Case Studies, Business Risk Management, Stakeholder Management, Corporate Sustainability, Investment Management, Portfolio Management, Investments, Financial Analysis, Return On Investment, Sustainable Business, Governance
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Public Key Cryptography Standards (PKCS), Key Management, Advanced Encryption Standard (AES), Encryption, Data Integrity, Cybersecurity, Computer Security, Authentications, Data Security, Theoretical Computer Science, Algorithms, Digital Communications, Information Architecture
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Graphing, Data Analysis, R (Software), General Mathematics, Mathematical Modeling, Algebra, Applied Mathematics, Calculus
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Identity and Access Management, Endpoint Security, Network Security, Cybersecurity, Threat Detection, Cyber Attacks, Data Security, Cyber Security Strategy, Secure Coding, Firewall, Application Security, Authentications, Infrastructure Security, Security Controls, Authorization (Computing), Security Information and Event Management (SIEM), Data Governance, Security Testing, Virtual Private Networks (VPN)
Intermediate · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Blockchain, Emerging Technologies, Distributed Computing, Microsoft Azure, FinTech, Cloud Computing Architecture, Platform As A Service (PaaS), Cryptographic Protocols, Transaction Processing, Open Source Technology, Scalability, Data Storage Technologies, Information Privacy
Intermediate · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Cyber Threat Intelligence, Security Management, Internet Of Things, Incident Response, Risk Management, Cyber Security Policies, Cyber Security Strategy, Cyber Governance, Threat Detection, Human Factors (Security), Business Risk Management, Cybersecurity, Security Awareness, Enterprise Risk Management (ERM), Information Management, Computer Security Awareness Training, Mobile Security, Business Ethics, Performance Measurement, Cyber Risk
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Prompt Engineering, Responsive Web Design, Node.JS, Command-Line Interface, TypeScript, Unit Testing, SQL, HTML and CSS, Web Content Accessibility Guidelines, Typography, Cascading Style Sheets (CSS), Ajax, React.js, User Interface and User Experience (UI/UX) Design, Hypertext Markup Language (HTML), JavaScript Frameworks, JSON, Generative AI, Database Design, UI Components
Beginner · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Financial Regulation, Financial Regulations, Bank Regulations, FinTech, Financial Services, Financial Industry Regulatory Authorities, Law, Regulation, and Compliance, Mobile Banking, Regulatory Requirements, Fraud detection, Data Security, Cybersecurity, Insurance, Blockchain, Information Privacy
Beginner · Course · 1 - 3 Months
University of Pennsylvania
Skills you'll gain: People Management, Employee Performance Management, Leadership and Management, Decision Making, Organizational Change, Organizational Structure, Performance Appraisal, Team Motivation, Diversity Equity and Inclusion Initiatives, Compensation Management, Job Analysis, Recruitment, Leadership, Change Management, Constructive Feedback
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, LangGraph, Large Language Modeling, Responsible AI, Generative AI, Agentic systems, Prompt Engineering, Generative AI Agents, Performance Tuning, Artificial Intelligence, Natural Language Processing, Cloud Development, Application Programming Interface (API), Python Programming, Application Performance Management, Scalability, Application Deployment, Data Processing, Pandas (Python Package)
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Object Oriented Design, Java, Software Architecture, Object Oriented Programming (OOP), Data Structures, Software Design, Computer Programming, Programming Principles, Application Development, Unified Modeling Language, UI Components
Mixed · Course · 1 - 3 Months