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.

Skills you'll gain: Extract, Transform, Load, Data Validation, Data Transformation, Applied Machine Learning, Object-Relational Mapping, Data Wrangling, Data Cleansing, Data Manipulation, Data Integration, Web Scraping, Data Quality, Data Pipelines, Pandas (Python Package), Descriptive Statistics, Data Modeling, Data Science, Python Programming, Scikit Learn (Machine Learning Library), Extensible Markup Language (XML), Data Analysis
Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Data Storytelling, Data Presentation, Data Visualization, Plot (Graphics), Scientific Visualization, Data Visualization Software, Scatter Plots, Image Quality, NumPy, Histogram, Image Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, SQL, Data Transformation, Data Pipelines, Stored Procedure, Data Manipulation, Performance Tuning, Scripting, Database Management
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), Estimation, Risk Analysis, Statistical Methods, Statistical Software, Return On Investment, Statistical Analysis, Sample Size Determination, R (Software), Data Analysis, Business Risk Management, Probability & Statistics, Statistical Inference, Project Estimation, Business Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Data Storytelling, Tableau Software, Peer Review, Data Visualization Software, Presentations, Data Visualization, Interactive Data Visualization, Data Cleansing, Business Intelligence, Real Time Data, Data Manipulation, Data Presentation, Data Analysis Expressions (DAX), Data Quality, Data Transformation, Data Preprocessing, Data Validation, Data Integration, Data Analysis
Advanced · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Data Transformation, Microsoft Excel, Sampling (Statistics), Data Cleansing, Statistical Visualization, Data Analysis, Statistical Analysis, Data Integration, Data Import/Export, Microsoft Office, Microsoft 365, Productivity Software
Mixed · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Programming Principles, Computer Programming, Object Oriented Programming (OOP), Performance Tuning, Data Structures, Java Programming, Java, Program Development, File I/O, Computational Thinking, Computer Science, Algorithms, Animations, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Performance Reporting, Marketing Analytics, Business Intelligence, Data Visualization Software, Dashboard, Data Presentation, Campaign Management, Power BI, Tableau Software, IBM Cognos Analytics, Grafana, Data Integration, Splunk
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Correlation Analysis, Matplotlib, Seaborn, Data Cleansing, Data Visualization, Pandas (Python Package), Data Analysis, NumPy, Statistical Analysis, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Ggplot2, Data Wrangling, Statistical Modeling, Exploratory Data Analysis, Plot (Graphics), R Programming, Data Import/Export, Predictive Modeling, Data Visualization, Data Visualization Software, Statistical Hypothesis Testing, Data Analysis, Data Manipulation, Data Modeling, Regression Analysis, Web Scraping, Data Science, R (Software), Data Analysis Software
Beginner · Specialization · 3 - 6 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Data Storytelling, Data Visualization, Data Governance, Data Collection, Process Improvement, Data Strategy, Process Mapping, Performance Improvement, Data Visualization Software, Data Management, Agile Project Management, Business Intelligence, Data Infrastructure, Data-Driven Decision-Making, Organizational Effectiveness, Organizational Leadership, Business Leadership, Data Literacy, Data Analysis, Business Analytics
Beginner · Specialization · 1 - 3 Months

Institut Mines-Télécom
Skills you'll gain: Data Governance, Digital Transformation, Data Modeling, Data Management, Data Strategy, General Data Protection Regulation (GDPR), Information Management, Data Literacy, Business Intelligence, Data Quality, Business Analytics, Data-Driven Decision-Making, Information Privacy, Data Analysis, Data Visualization, Big Data, Artificial Intelligence, Business Strategy
Beginner · Course · 1 - 3 Months