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: Database Design, Database Management Systems, Relational Databases, Database Theory, Databases, Data Modeling, Data Integrity, Diagram Design, Requirements Elicitation
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Portfolio Risk, Investment Management, Risk Management, Financial Analysis, Risk Analysis, Portfolio Management, Financial Market, Investments, Return On Investment, Statistics
Intermediate · Guided Project · Less Than 2 Hours

Ball State University
Skills you'll gain: Data Analysis, Programming Principles, Statistical Analysis, Computer Programming, Python Programming, Object Oriented Programming (OOP), Natural Language Processing, Scripting, NumPy, Algorithms, Debugging, Data Structures
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Business Writing, Business Correspondence, Business Communication, Writing, Organizational Skills, Concision, Writing and Editing, Proofreading, Grammar, Communication, Editing, Organizational Strategy, Persuasive Communication, Verbal Communication Skills, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Georgia Institute of Technology
Skills you'll gain: Structural Analysis, Structural Engineering, Engineering Analysis, Mechanical Engineering, Mechanics, Engineering
Mixed · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Security Management, Incident Management, Cyber Risk, Regulatory Compliance, Compliance Management, Information Systems Security, Cyber Security Strategy, Cybersecurity, Enterprise Security, Federal Information Security Management Act, Law, Regulation, and Compliance, Regulation and Legal Compliance, Payment Card Industry (PCI) Data Security Standards, Computer Security, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Network Security, Sarbanes Oxley Act (SOX) Compliance, General Data Protection Regulation (GDPR)
Mixed · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Cybersecurity, Cyber Attacks, Cryptography, Information Systems Security, Cyber Security Policies, Encryption, Data Security, Network Security, Security Controls, Network Protocols, Threat Modeling, Security Strategy, Personally Identifiable Information, Data Storage, Zero Trust Network Access, Governance Risk Management and Compliance
Mixed · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Google Cloud Platform, Generative AI Agents, Agentic Workflows, Enterprise Security, Case Studies, Large Language Modeling, Cloud-Based Integration, Authentications, Data Access, Enterprise Application Management, Prompt Engineering, Authorization (Computing), Data Processing
Beginner · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: General Science and Research, Research Design, Science and Research, Clinical Research Ethics, Data Ethics, Experimentation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computer Graphics, 3D Modeling, 3D Assets, Visualization (Computer Graphics), Art History, Image Quality, Performance Tuning, Design, Aesthetics
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Sales Enablement, Strategic Leadership, Business Leadership, Customer Insights, Organizational Effectiveness, Performance Measurement, Business Risk Management, Data-Driven Decision-Making, Business Metrics, Case Studies
Intermediate · Course · 1 - 4 Weeks

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Payroll, Payroll Processing, Payroll Administration, Payroll Reporting, Payroll Tax, Data Entry, Workforce Management, Benefits Administration, Compensation Management, Personally Identifiable Information, Employee Onboarding, Reconciliation, Auditing, Tax Compliance, Data Security
Beginner · Course · 1 - 4 Weeks