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: Performance Tuning, No-Code Development, Business Process Automation, Operational Analysis, Automation, Performance Analysis, Process Improvement and Optimization, System Monitoring, Business Workflow Analysis, Process Optimization, Operational Efficiency, Maintainability, Workflow Management, Project Performance, Scalability, Analysis, Solution Architecture, Data-Driven Decision-Making, Strategic Decision-Making, System Implementation
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, Web Development Tools, Web Development, Javascript, JavaScript Frameworks, Web Content, Web Servers, Browser Compatibility, Web Design and Development, Web Analytics and SEO, Web Design, Front-End Web Development, Web Applications, Apache, Development Environment, Semantic Web, Software Development
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Process Capability, Statistical Process Controls, R (Software), Statistical Analysis, Data Analysis Software, R Programming, Quality Control, Quality Improvement, Statistical Methods, Process Analysis, Data Transformation, Statistical Hypothesis Testing, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), Data Manipulation, Jupyter, Exploratory Data Analysis, Python Programming, Computational Logic
Beginner · Guided Project · Less Than 2 Hours

Universitat Autònoma de Barcelona
Skills you'll gain: Microsoft PowerPoint, Microsoft Word, Microsoft Excel, Microsoft Office, Spreadsheet Software, digital literacy, Data Entry, Computer Literacy, Information Technology, Document Management, Graphical Tools
Beginner · Course · 1 - 3 Months

Skills you'll gain: AWS Identity and Access Management (IAM), Amazon S3, Relational Databases, Amazon Elastic Compute Cloud, MySQL, Database Management, Serverless Computing, Amazon Web Services, AWS CloudFormation, Cloud Engineering, Identity and Access Management, Scalability, Cloud Computing Architecture, User Accounts, Cloud Storage, Cloud Computing, Cloud Deployment, Data Storage Technologies, Data Storage, Infrastructure as Code (IaC)
Beginner · Course · 1 - 3 Months

Pragmatic AI Labs
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: .NET Framework, Databases, Application Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Spatial Analysis, C# (Programming Language), Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Splunk, Dashboard, Ad Hoc Reporting, Statistical Reporting, Query Languages, Security Information and Event Management (SIEM), Data Visualization Software, Data Manipulation, Data Processing, Data Import/Export, Event Monitoring
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Orchestration, AI Workflows, LangGraph, Enterprise Application Management, Generative AI Agents, Agentic systems, Retrieval-Augmented Generation, Scalability, Secure Coding, Context Management, Performance Tuning, Vector Databases, Embeddings, Debugging, Data Persistence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Continuous Delivery, Web Services, Software Testing, Test Execution Engine
Beginner · Course · 1 - 4 Weeks