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: Exploratory Data Analysis, Statistical Process Controls, Six Sigma Methodology, Lean Methodologies, Statistical Hypothesis Testing, Process Capability, Statistical Analysis, Data Analysis, Continuous Improvement Process, Project Management, Project Planning, Statistics, Work Breakdown Structure, Lean Six Sigma, Operational Excellence, Data Collection, Process Improvement, Stakeholder Management, Quality Improvement, Quality Management
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Rmarkdown, Ggplot2, Data Visualization, Tidyverse (R Package), R Programming, Data Visualization Software, Statistical Programming, Data Manipulation, Data Analysis, Data Transformation, Software Installation, Programming Principles
Beginner · Course · 1 - 4 Weeks

University of Cape Town
Skills you'll gain: Descriptive Statistics, Data Literacy, Plot (Graphics), Statistical Analysis, Statistical Visualization, Statistical Programming, Biostatistics, Statistical Hypothesis Testing, Quantitative Research, Deep Learning, Regression Analysis, Data Manipulation, Machine Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Design, Secure Coding, JSON
Intermediate · Course · 1 - 3 Months

Skills you'll gain: UI/UX Research, Usability Testing, Presentations, User Experience Design, User Research, Mobile Development, Data Ethics, Research Design, Prototyping, Wireframing, Interviewing Skills, Information Privacy
Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Generative AI Agents, Agentic systems, Agentic Workflows, Generative AI, Email Automation, Prompt Engineering, Make.com, AI Workflows, ChatGPT, Expense Management, Expense Reports, Workflow Management, Artificial Intelligence, Google Sheets, Travel Arrangements, Natural Language Processing
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Computational Thinking, Event-Driven Programming, Algorithms, Combinatorics, Graph Theory, Programming Principles, Application Development, Object Oriented Programming (OOP), Data Structures, Probability, Bioinformatics, Interactive Design, Program Development, Big Data, Python Programming, Data Analysis, User Interface (UI), Machine Learning Algorithms, Theoretical Computer Science, Computer Programming
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Responsible AI, Data Ethics, OpenAI, Artificial Intelligence, Large Language Modeling, Ethical Standards And Conduct, Analytical Skills, Analysis, Machine Learning, Game Theory, Generative AI, Predictive Modeling
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Organizational Change, Project Closure, Revenue Recognition, Agile Methodology, Waterfall Methodology, Organizational Structure, Organizational Leadership, Accrual Accounting, Project Planning, Organizational Strategy, Project Management Life Cycle, Business Ethics, Change Management, Cash Flows, Sprint Retrospectives, Accounting, Project Implementation, Financial Statements, Financial Accounting, Project Management
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: Probability, Probability Distribution, Applied Mathematics, Statistics, Risk Management, Risk Modeling, Combinatorics, Descriptive Statistics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Data Validation
Beginner · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: AI Personalization, Machine Learning Algorithms, Predictive Modeling, Applied Machine Learning, Data Mining, Algorithms, Collaborative Software, Data Manipulation
Mixed · Course · 1 - 3 Months