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 System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Cybersecurity, Public Key Cryptography Standards (PKCS), Key Management, Advanced Encryption Standard (AES), Encryption, Brute-force attacks, Authentications, Arithmetic, Algorithms, Applied Mathematics, Data Integrity, Probability, Computer Science
Beginner · Specialization · 3 - 6 Months

Università di Napoli Federico II
Skills you'll gain: Presentations, Oral Expression, Business Communication, Business Correspondence, English Language, Verbal Communication Skills, Negotiation, Business Writing, Interviewing Skills, Data Visualization, Writing, Communication, Vocabulary, Social Skills, Language Learning, Interpersonal Communications, Stress Management, Education and Training, Higher Education, Medical Terminology
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Robotic Process Automation, Data Manipulation, Email Automation, Web Scraping, User Interface (UI), Business Process Automation, Automation, UI Components, Test Automation, Context Management, Excel Macros, Data Cleansing, Network Protocols, Data Import/Export, Software Development Tools, Data Management, Unstructured Data, Data Flow Diagrams (DFDs), Application Deployment, Programming Principles
Beginner · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Business Analysis, Analytics, Data Preprocessing, Data Analysis, Data-Driven Decision-Making, Data Presentation, Python Programming
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Payroll, Payroll Administration, Payroll Processing, Payroll Systems, Payroll Reporting, Compensation Management, Human Resources Information System (HRIS), Customer Service, Communication Strategies, Compliance Management, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Market Data, Finance, Corporate Finance, Financial Analysis, Financial Market, Securities (Finance), Investments, Equities, Capital Markets, Business Mathematics, Cash Flows
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Python Programming, Algorithms, Computer Programming, Theoretical Computer Science, Linear Algebra, Mathematics and Mathematical Modeling, Computer Science, Algebra, Object Oriented Programming (OOP), IBM Cloud, Scripting, Probability, Artificial Intelligence and Machine Learning (AI/ML), Data Processing, Mathematical Modeling, Data Structures, Data Manipulation, Probability & Statistics, Applied Mathematics, Software Installation
Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Data Visualization, Data Analysis Software, Productivity Software, Data Security, Data Validation, Data Management, Workflow Management
Beginner · Course · 1 - 3 Months
Skills you'll gain: Generative AI, Financial Forecasting, Predictive Modeling, Financial Data, Market Data, Predictive Analytics, Financial Analysis, Portfolio Management, Advanced Analytics, Risk Management, Investment Management, Risk Analysis, Spreadsheet Software, Financial Reporting, Interactive Data Visualization, Analysis, Power BI, Automation
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Hardware Design, Security Engineering, Computer Hardware, Hardware Architecture, Threat Modeling, Threat Detection, Cybersecurity, Application Specific Integrated Circuits, Exploit development, Cryptography, Encryption, Exploitation techniques, Technical Design, Emerging Technologies, System Design and Implementation
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Event Management, Blogs, Content Development and Management, Content Management, Web Design, Web Design and Development, No-Code Development, Brand Management, Digital Marketing, Public Relations
Beginner · Guided Project · Less Than 2 Hours

University of Glasgow
Skills you'll gain: 3D Modeling, 3D Assets, Scientific Visualization, Biomedical Engineering, Medical Terminology, Augmented and Virtual Reality (AR/VR), Anatomy, Animations, Image Analysis, Physiology, Biology, Medical Imaging
Intermediate · Course · 1 - 4 Weeks