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.

Scrimba
Skills you'll gain: Prompt Engineering, Generative AI Agents, Tool Calling, Agentic systems, User Interface and User Experience (UI/UX) Design, Human Computer Interaction, OpenAI, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Interactive Data Visualization, Business Analytics, Data-Driven Decision-Making, Data Presentation, Kibana, Data Analysis, Data Visualization Software, Exploratory Data Analysis, Trend Analysis, Retail Sales, Data Import/Export, System Configuration
Mixed · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Regression Analysis, Correlation Analysis, Statistical Software, Statistical Analysis, Statistical Methods, Probability & Statistics, Quantitative Research, Data Analysis, Descriptive Statistics, Statistical Hypothesis Testing
Beginner · Course · 1 - 3 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Data Collection, Data Visualization, Data-Driven Decision-Making, Microsoft Excel, Project Management, Data Analysis, Compensation and Benefits, Google Sheets, Timelines, Data Cleansing, Agile Methodology, Employee Surveys, Focus Group
Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Epidemiology, Health Disparities, Public Health, Social Determinants Of Health, Infectious Diseases, Health Care, Health Systems, Health Policy, Socioeconomics, Health Assessment, Chronic Diseases, Statistical Analysis, Data Collection
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Intellectual Property, Law, Regulation, and Compliance, Entrepreneurship, Business, Commercial Laws, Labor Law, Business Management, Contract Management, Staff Management, New Business Development, Organizational Structure, Corporate Tax
Beginner · Course · 1 - 3 Months

Skills you'll gain: SAS (Software), Data Visualization, Data Manipulation, Data Analysis, Data Import/Export, Data Visualization Software, SQL, Statistical Analysis, Data Cleansing, Data Transformation, Exploratory Data Analysis
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Blockchain, Network Security, Security Engineering, Computer Security, Infrastructure Security, Data Security, Cryptography, Cryptographic Protocols, Secure Coding, Encryption, Vulnerability Assessments, Key Management, Scalability, Distributed Computing, Data Integrity, Exploitation techniques, Algorithms
Beginner · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Medical Imaging, Magnetic Resonance Imaging, Image Analysis, X-Ray Computed Tomography, Data Import/Export, Biomedical Engineering, Matlab, Scientific Visualization, Deep Learning
Beginner · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Microsoft Excel, Excel Formulas, Data Modeling, Verification And Validation, Financial Modeling, Business Modeling, Spreadsheet Software, Technical Documentation, Product Testing, Data Validation, Data Integrity, Data Management, Organizational Skills
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Machine Learning Algorithms, Big Data, Product Development, Data Preprocessing, Analytics, File Systems, New Product Development, Data Analysis, Machine Learning, Internet Of Things, Supervised Learning, Product Planning, Unsupervised Learning, Data Storage, Project Planning, Systems Of Measurement, Staff Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Plot (Graphics), Scientific Visualization, Data Visualization, Data Presentation
Mixed · Course · 1 - 4 Weeks