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: Data Transformation, Power BI, Data-Driven Decision-Making, Data Integration, Data Cleansing, Data Wrangling, Extract, Transform, Load, Data Preprocessing, Data Modeling, Business Intelligence, Data Visualization Software, Data Quality, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spring Framework, JUnit, Restful API, Spring Boot, Unit Testing, Java, Hibernate (Java), Web Services, Apache Maven, Databases, Web Applications, Gradle, Object Oriented Programming (OOP), Eclipse (Software), Software Design Patterns, Dependency Analysis
Beginner · Course · 3 - 6 Months

Campus BBVA
Skills you'll gain: Security Information and Event Management (SIEM), Computer Security Incident Management, Data Security, Incident Management, Cybersecurity, Cyber Attacks, Crisis Management, Cyber Threat Intelligence, AI Security, Security Awareness, Network Security, Data Science, Data Processing, Anomaly Detection, Time Series Analysis and Forecasting, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Object-Relational Mapping, Java, Application Servers, Middleware, Application Deployment, Data Persistence, Event-Driven Programming, Enterprise Application Management, Server Side, Context Management, Business Logic
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Validation, Spreadsheet Software, Data Analysis, Analytics, Data Manipulation, Excel Formulas, Data Compilation, Pivot Tables And Charts, SQL, Data Integration, Data Transformation, User Feedback
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Manipulation, Data Cleansing, Data Integration, Data Preprocessing, Data Import/Export, Data Collection, Data Management, Web Scraping, Data Access, R Programming, MySQL, Application Programming Interface (API)
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Mining, Data Warehousing, Data Pipelines, Data Preprocessing, Data Modeling, Data Management, Data Cleansing, Model Evaluation, Data Analysis, Data Transformation, Exploratory Data Analysis, Data Quality, Applied Machine Learning
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Back-End Web Development, Full-Stack Web Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Exploratory Data Analysis, Plotly, Statistical Reporting, Predictive Modeling, Interactive Data Visualization, Data Visualization Software, Applied Machine Learning, Data Science, Data Analysis, Classification And Regression Tree (CART), Data-Driven Decision-Making, Pandas (Python Package), Data Wrangling, Data Collection, GitHub
Intermediate · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Rmarkdown, Exploratory Data Analysis, Version Control, Statistical Analysis, R Programming, Data Manipulation, Data Cleansing, Data Science, Plot (Graphics), Statistical Programming, Statistical Visualization, Ggplot2, R (Software), Dimensionality Reduction, Data Visualization Software, Data Integration, Knitr, Data Sharing, GitHub, Machine Learning
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Presentation, Dashboard, Data Analysis Expressions (DAX), Power BI, Data Visualization, Key Performance Indicators (KPIs), Data Transformation, Data Literacy, Presentations, Data Synthesis, Usability Testing, Microsoft PowerPoint, Star Schema, Data Integration, Microsoft Excel, Business Intelligence, Data Manipulation, Data Visualization Software, Data Cleansing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Generative AI, Matplotlib, Plotly, Prompt Engineering, Data Ethics, Power BI, Data Visualization, Microsoft Excel, Data Manipulation, Data Cleansing, Exploratory Data Analysis, Pandas (Python Package), Data Transformation, Excel Formulas, Pivot Tables And Charts, Data Visualization Software, Data Analysis, Microsoft Copilot, Data Presentation, Data Processing
Intermediate · Specialization · 3 - 6 Months