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.

Rice University
Skills you'll gain: Capital Budgeting, Cash Flows, Finance, Financial Statements, Microsoft Excel, Descriptive Statistics, Financial Accounting, Business Analytics, Box Plots, Probability Distribution, Data Visualization, Probability, Statistics, Excel Formulas, Ledgers (Accounting), Financial Analysis, Business Valuation, Business Mathematics, Financial Management, Data Analysis
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Dashboard, Salesforce, Data Import/Export, Data Cleansing, Data Management, Data Storytelling, Business Reporting, Report Writing, Data Validation, Data Security, Scheduling
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Descriptive Statistics, R (Software), Statistical Hypothesis Testing, Correlation Analysis, Tidyverse (R Package), Data Analysis, Regression Analysis, Probability & Statistics, Data Import/Export, Analytical Skills, Statistical Analysis, R Programming, Data Wrangling
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Prompt Engineering, Generative AI, AI Product Strategy, Data Ethics, Data Pipelines, Data Modeling, Data Transformation, Data Quality, Database Management, SQL
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: HTML and CSS, Ajax, Javascript, Responsive Web Design, Front-End Web Development, Web Design, Web Applications, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Development, Development Environment, Web Content Accessibility Guidelines
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Manipulation, Python Programming, Probability & Statistics, Applied Machine Learning, Pandas (Python Package), Data Science, Statistical Analysis, NumPy, Machine Learning, Statistical Hypothesis Testing, Probability Distribution
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Security, Cloud Security, Azure Active Directory, Microsoft Azure, Data Storage, Microsoft SQL Servers, Data Encryption Standard, Authorization (Computing), Authentications, Database Management, Data Governance, Key Management, Role-Based Access Control (RBAC), Threat Modeling, Identity and Access Management, Firewall
Intermediate · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Data Storytelling, Digital Transformation, Data Presentation, Data Visualization, Data-Driven Decision-Making, Business Transformation, Persuasive Communication, Employee Engagement, Data Strategy, Customer experience strategy (CX), Data Science, Storytelling, Applied Machine Learning, Influencing, Agile Methodology, Analytics, Business Analytics, Business Modeling, Data Quality, Stakeholder Communications
Beginner · Specialization · 3 - 6 Months

Institut Mines-Télécom
Skills you'll gain: Data Governance, Digital Transformation, Data Management, Data Strategy, Data Quality, Data Modeling, General Data Protection Regulation (GDPR), Business Transformation, Information Management, Business Intelligence, Customer Data Management, Personally Identifiable Information, Data Literacy, Data-Driven Decision-Making, Information Systems, Data Analysis, Big Data, Business Process, Data Visualization, Business Strategy
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Import/Export, Data Visualization Software, Data Visualization, Extract, Transform, Load, Histogram, Data Transformation, Apache Kafka, JSON, Amazon S3, MySQL, SQL
Intermediate · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Interactive Data Visualization, Tableau Software, Dashboard, Data Storytelling, Data Visualization Software, Peer Review, Data Presentation, Data Integration, Spatial Analysis, Data Visualization, Geographic Information Systems, Business Intelligence, Heat Maps, Data Manipulation, Data Sharing, Data Transformation, Data Cleansing, Data Access, Data Analysis, Time Series Analysis and Forecasting
Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Microsoft SQL Servers, SQL, Transact-SQL, Databases, Relational Databases, Data Transformation, Data Manipulation, Query Languages, Generative AI, Data Analysis
Beginner · Course · 1 - 4 Weeks