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 Pennsylvania
Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization Software, Data Visualization, Tableau Software, Presentations, Interactive Data Visualization, Verbal Communication Skills, Data Analysis, Pivot Tables And Charts, Scatter Plots, Stakeholder Communications, Spatial Analysis, Trend Analysis
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Applied Mathematics, Estimation, Numerical Analysis, Calculus, Engineering Calculations, Mathematical Modeling, Operations Research, Derivatives, Algebra
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Spark, PySpark, Applied Machine Learning, Big Data, Machine Learning Methods, Data Storage Technologies, Data Preprocessing, Data Storage, Machine Learning Algorithms, Machine Learning, Distributed Computing, Data Processing, Data Science, Statistical Methods, Model Evaluation, Descriptive Statistics
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Computational Thinking, Data Collection, Microsoft Visual Studio, Program Development, C (Programming Language), Programming Principles, Algorithms, Data Storage, Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Interactive Data Visualization, Data Presentation, Data Visualization Software, Business Intelligence, Amazon Web Services, Business Analytics, Exploratory Data Analysis, Data Analysis, Data Import/Export
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Service Level, Software Engineering, Software Architecture, Distributed Computing, Data Architecture, Microservices, Software Development, Transaction Processing, Software Design, Test Driven Development (TDD), Blockchain, Big Data, Maintainability, Database Systems, Data Structures, System Monitoring, Database Design
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Digital Marketing Institute
Skills you'll gain: Data-Driven Decision-Making, Data Ethics, Customer Analysis, Strategic Marketing, Digital Marketing, Business Analytics, Marketing Analytics, Performance Measurement, Marketing Strategy and Techniques, MarTech, Data Analysis, Pay Per Click Advertising, Data Management, Web Analytics and SEO, Marketing Automation, Cross-Channel Marketing, Growth Strategies, Smart Goals
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Descriptive Statistics, Probability & Statistics, Statistical Hypothesis Testing, Regression Analysis, Statistics, Predictive Modeling, Data Visualization, Statistical Analysis, Statistical Methods, Data Science, Data Analysis, Histogram, Statistical Visualization, Pandas (Python Package), NumPy, Statistical Inference, Probability, Model Evaluation, Correlation Analysis
Mixed · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Logistic Regression, Model Evaluation, Statistical Inference, Predictive Analytics, R Programming, Statistical Modeling, Statistical Methods, Biostatistics, Regression Analysis, Statistical Analysis, Statistics, Statistical Hypothesis Testing, Data Analysis
Intermediate · Course · 1 - 4 Weeks
University of Glasgow
Skills you'll gain: Health Informatics, ICD Coding (ICD-9/ICD-10), Clinical Data Management, Data Mining, Medical Records, Clinical Informatics, Descriptive Analytics, Database Design, Electronic Medical Record, Precision Medicine, Analytics, Relational Databases, Patient Flow, Exploratory Data Analysis, Descriptive Statistics, Predictive Analytics, Predictive Modeling, SQL, Interoperability, Machine Learning
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Agentic Workflows, LangGraph, AI Orchestration, Data Visualization, Prompt Engineering, Generative AI Agents, Model Evaluation, LLM Application, Tool Calling, Retrieval-Augmented Generation, Agentic systems, Data Validation, Generative AI, Large Language Modeling
Intermediate · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Google Sheets, Query Languages, Spreadsheet Software, Data Manipulation, Data Transformation, Data Cleansing, Excel Formulas, Data Management, Data Analysis, Cloud Computing
Intermediate · Project · Less Than 2 Hours