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.

SaĆÆd Business School, University of Oxford
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, Agentic systems, OpenAI, ChatGPT, AI Workflows, AI Product Strategy, Large Language Modeling, Artificial Intelligence, Model Evaluation, Responsible AI, AI Security, Decision Making
Beginner Ā· Course Ā· 1 - 3 Months

Universidades AnƔhuac
Skills you'll gain: Interactive Data Visualization, Infographics, Data Storytelling, Data Presentation, Data Visualization Software, User Experience Design, Multimedia, Statistical Visualization, Data Analysis, Information Architecture, Design Elements And Principles
Beginner Ā· Course Ā· 1 - 3 Months

University of Amsterdam
Skills you'll gain: Statistical Analysis, Research, Research Reports, Data Analysis, Research Design, Data Collection, Research Methodologies, Surveys, Qualitative Research, Experimentation, Descriptive Statistics, Survey Creation
Beginner Ā· Course Ā· 1 - 3 Months

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Public Key Cryptography Standards (PKCS), Key Management, Cryptography, Encryption, Authentications, Algorithms
Intermediate Ā· Course Ā· 1 - 4 Weeks

LearnQuest
Skills you'll gain: Scripting, Programming Principles, Computer Programming, Python Programming, Command-Line Interface, Development Environment, Integrated Development Environments, Debugging
Beginner Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Excel Macros, Financial Modeling, Prompt Engineering, Financial Forecasting, Generative AI, Automation, Process Optimization, Microsoft Excel, Excel Formulas, Financial Acumen, Simulation and Simulation Software, Visual Basic (Programming Language), Financial Reporting, Financial Planning, Code Review
Intermediate Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Mathematical Software, Software Installation, Numerical Analysis, Mathematical Modeling, Applied Mathematics, Trigonometry, Programming Principles, Data Manipulation, Engineering Calculations, Linear Algebra, Data Management
Mixed Ā· Course Ā· 1 - 4 Weeks

Coursera
Skills you'll gain: JSON, NoSQL, Cloud API, Javascript, Data Store, Data Import/Export, Cloud Computing, Software Development
Beginner Ā· Guided Project Ā· Less Than 2 Hours

Skills you'll gain: Risk Analysis, Portfolio Risk, Google Sheets, Financial Analysis, Risk Management, Quantitative Research, Spreadsheet Software, Statistical Analysis, Statistics, Probability & Statistics
Beginner Ā· Guided Project Ā· Less Than 2 Hours

Skills you'll gain: Internet Of Things, Automation, Data Management, Control Systems, Hardware Architecture, Manufacturing Processes, Manufacturing and Production, Network Protocols, Systems Integration, Information Systems Security, Communication Systems, Systems Design, Analytics, Real Time Data
Beginner Ā· Course Ā· 1 - 4 Weeks

EC-Council
Skills you'll gain: Digital Forensics, Network Security, Incident Response, Computer Security Incident Management, Cryptography, Penetration Testing, Cybersecurity, Application Security, Security Information and Event Management (SIEM), Cyber Security Policies, Threat Detection, Network Monitoring, Cloud Security, Vulnerability Assessments, Malware Protection, Mobile Security, Identity and Access Management, Internet Of Things, Risk Analysis, Web Applications
Beginner Ā· Professional Certificate Ā· 3 - 6 Months

Skills you'll gain: Microsoft Excel, Excel Formulas, Data Visualization, Dashboard, Forecasting, Predictive Modeling, Data Analysis, Data Validation, Data Entry, Financial Modeling, Data Management, Data Integrity, Data Security
Mixed Ā· Course Ā· 1 - 3 Months