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 Cleansing, Prompt Engineering, Microsoft Excel, Data Manipulation, Microsoft Copilot, Data Transformation, Data Integrity, Data-Driven Decision-Making, Data Analysis
Intermediate · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Data Storytelling, Data Presentation, Exploratory Data Analysis, Data Analysis, Data Visualization, Research Reports, Statistical Reporting, Analytical Skills, Report Writing, Data Synthesis, Data Science, Data Management, Statistical Analysis, Data Manipulation, Descriptive Analytics, Descriptive Statistics, Research Methodologies, Research, Research Design
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, Medical Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, General Data Protection Regulation (GDPR), Health Information Management, Information Privacy, Personally Identifiable Information, Healthcare Ethics, Data Security, Health Informatics, Law, Regulation, and Compliance, Healthcare Industry Knowledge, Regulatory Compliance, Data Integrity, Risk Analysis, Data Access
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Probability, Probability & Statistics, Sampling (Statistics), Probability Distribution, Statistics, Data Science, Statistical Inference, Statistical Methods, Descriptive Statistics, Statistical Analysis, General Mathematics, Algebra
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Warehousing, SQL, Data Governance, Data Integration, Data Management, Business Intelligence, Oracle Databases, Analytics, PostgreSQL, Data Mining, Big Data, Relational Databases, Database Management Systems, Query Languages, Business Analytics, Data Architecture, Analytical Skills, Data Storage Technologies
Mixed · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Generative AI, Generative AI Agents, Retrieval-Augmented Generation, Enterprise Architecture, Metadata Management, Data Science, Machine Learning
Intermediate · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Statistical Methods, Exploratory Data Analysis, Data Quality, Statistics, Data Analysis, Data Science, Statistical Analysis, Probability & Statistics, Data Storage, Data Collection, Data Management, Data Pipelines, Statistical Machine Learning, Data-Driven Decision-Making, Applied Mathematics, Interactive Data Visualization, Calculus, Probability Distribution, Machine Learning, Linear Algebra
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Matplotlib, Data Visualization, Plot (Graphics), Data Visualization Software, Interactive Data Visualization, Infographics, Statistical Visualization, Data Presentation, Data Literacy, Graphing, Graphic and Visual Design, Data Manipulation, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Lakes, Data Pipelines, Data Integration, Apache Airflow, Performance Tuning, Data Security, Data Architecture, Data Transformation, Apache Spark, Disaster Recovery, Data Warehousing, Cloud Infrastructure, SQL, Infrastructure as Code (IaC), Database Architecture and Administration, PySpark, Terraform, Extract, Transform, Load, Cloud Computing, Data Governance
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Statistical Hypothesis Testing, Sampling (Statistics), Regression Analysis, Bayesian Statistics, Statistical Analysis, Probability & Statistics, Statistical Inference, Statistical Methods, Statistical Modeling, Linear Algebra, Probability, Probability Distribution, R Programming, Biostatistics, Data Analysis, Data Science, Statistics, Mathematical Modeling, Analysis, Data Modeling
Advanced · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Surveys, Survey Creation, Sampling (Statistics), Quantitative Research, Analysis, Research Methodologies, Data Analysis, Data Collection, Data Quality, Data Transformation, Statistical Analysis, Data Modeling, Data Validation, Statistical Methods, Mitigation
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Analysis, Data-Driven Decision-Making, Trend Analysis, Predictive Modeling, Digital Marketing Tools, Social Media Analytics, Predictive Analytics, Marketing, Social Network Analysis, Customer Analysis, Data Ethics, Data Strategy, Data Warehousing, Customer Insights, Data Science, Text Mining, Digital Analysis, Blockchain, Consumer Behaviour, Data Integrity
Intermediate · Specialization · 1 - 3 Months