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 Geneva
Skills you'll gain: Scientific Methods, Scientific Visualization, Physical Science, Research, Quantitative Research, Physics, Mathematical Modeling, Simulations, Mechanics, Chemistry
Intermediate · Course · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Care Management, Patient-centered Care, Health Care, Public Health, Preventative Care, Chronic Diseases, Continuous Quality Improvement (CQI), Data Quality, Risk Analysis
Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Building Information Modeling, Construction Management, Construction, Autodesk Revit, Construction Estimating, Emerging Technologies, Architectural Engineering, As-Built Drawings, Facility Management, Collaborative Software, Cloud Computing, Cost Estimation, 3D Modeling, Document Management, Visualization (Computer Graphics), Internet Of Things, Digital Transformation
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Marketing Analytics, Key Performance Indicators (KPIs), Marketing Effectiveness, A/B Testing, Web Analytics, Digital Marketing, Customer experience improvement, Performance Measurement, Marketing Strategies, Mobile Security, Marketing, Web Applications, Target Audience, Sales
Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Dashboard, Tableau Software, Data Visualization Software, Exploratory Data Analysis, SQL, Data Analysis, Data Manipulation
Advanced · Course · 1 - 3 Months

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Cascading Style Sheets (CSS), HTML and CSS, Data Validation, Data Mapping, Verification And Validation, Data Sharing, Javascript, Document Management, Hypertext Markup Language (HTML), Technical Documentation, Interoperability, Maintainability, Data Integrity, Information Architecture, Software Documentation, Data Management, Scripting, Web Content Accessibility Guidelines
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: SQL, Query Languages, Database Design, Performance Tuning, Database Management, Database Development, Databases, PostgreSQL, Data Access
Intermediate · Guided Project · Less Than 2 Hours

Starweaver
Skills you'll gain: Portfolio Management, Business Valuation, Investments, Equities, Financial Analysis, Asset Management, Financial Statement Analysis, Market Data, Relationship Management, Analysis, Cash Flows
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Logo Design, Video Editing, Graphic Design, Graphic and Visual Design, Content Creation, Design, User Accounts, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Simulations, Agentic systems, Network Model, Biology, Programming Principles, Mathematical Modeling, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Identity and Access Management, SQL, Data Integration, Google Cloud Platform, Data Warehousing, Database Design, Data Processing, Database Architecture and Administration, Data Architecture, Data Modeling, Real Time Data
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cyber Operations, Cybersecurity, Authentications, Python Programming, Data Access, Network Security, System Monitoring, Network Protocols
Mixed · Course · 1 - 4 Weeks