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: Generative AI, Matplotlib, Plotly, Prompt Engineering, Data Ethics, Power BI, Data Visualization, Microsoft Excel, Data Manipulation, Exploratory Data Analysis, Data Cleansing, 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

AI CERTs
Skills you'll gain: Responsible AI, Agentic systems, Data Ethics, Data Pipelines, Real Time Data, No-Code Development, Applied Machine Learning, Machine Learning, Data Analysis, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Program Evaluation, Data Processing, Data Collection
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: PySpark, Matplotlib, Apache Spark, Big Data, Data Processing, Distributed Computing, Data Management, Data Visualization, Data Analysis, Data Manipulation, Data Cleansing, Query Languages, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Stanford University
Skills you'll gain: Feature Engineering, Data Ethics, Clinical Research, Clinical Data Management, Health Informatics, Unstructured Data, Health Care, Data Mining, Electronic Medical Record, Data Transformation, Data Collection, Text Mining, Data Processing, Medical Imaging
Beginner · Course · 1 - 3 Months

Tableau Learning Partner
Skills you'll gain: Exploratory Data Analysis, Tableau Software, Data Analysis, Data Visualization, Descriptive Statistics, Predictive Analytics, Data Processing, Box Plots, Statistical Analysis, Data Cleansing, Scatter Plots, Data Visualization Software, Trend Analysis, Analytics, Histogram, Business Analytics, Statistical Methods, Data Manipulation, Regression Analysis
Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Feature Engineering, Unsupervised Learning, Data Ethics, Data Presentation, Data Storytelling, Big Data, Relational Databases, Supervised Learning, Database Systems, Dataflow, Data Visualization Software, Databases, Predictive Analytics, Statistical Modeling, R Programming, Data Analysis, SQL, Predictive Modeling, Data Processing, Python Programming
Intermediate · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Data Pipelines, Rust (Programming Language), Restful API, Amazon Web Services, Cloud API, Data Structures, Secure Coding, Data Processing, API Gateway, Cloud Applications, Real Time Data, Data Manipulation, Amazon S3, System Programming, Cryptography, Encryption, Python Programming, Command-Line Interface, Software Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Cleansing, Rmarkdown, Data Storytelling, Data Presentation, Data Validation, Spreadsheet Software, Data Visualization, Data Ethics, Data Literacy, Tableau Software, Data Visualization Software, Data Analysis, R (Software), Ggplot2, Analytical Skills, Stakeholder Communications, Presentations, Data Quality, Data Collection, Data Processing
Beginner · Professional Certificate · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Interactive Data Visualization, Data Presentation, Infographics, Data Visualization Software, Data Storytelling, Plotly, Matplotlib, Journalism, Graphing, Data Literacy, Color Theory, Data Manipulation, Design Elements And Principles, Data Analysis
Beginner · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Jupyter, Programming Principles, Computer Programming, Python Programming, Development Environment, Software Installation, Data Structures, Data Science, Software Documentation, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization Software, Data Visualization, Dashboard, Ggplot2, Plot (Graphics), Shiny (R Package), R Programming, Leaflet (Software), Data Analysis, Scatter Plots, Box Plots, Data Science, Spatial Data Analysis, Histogram, UI Components, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Data Visualization, Text Mining, Social Network Analysis, Statistical Analysis, Data Visualization Software, Case Studies, Application Programming Interface (API), Unstructured Data, Data Analysis, R Programming, Statistical Methods, Correlation Analysis, Regression Analysis, Data Collection, Python Programming
Intermediate · Course · 1 - 4 Weeks