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.

LearnQuest
Skills you'll gain: Oracle SQL Developer, Oracle Databases, PL/SQL, Database Design, SQL, Database Architecture and Administration, Stored Procedure, Database Management, Data Management, Network Architecture, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Product Strategy, Responsible AI, Return On Investment, Data Strategy, Business Leadership, Generative AI, Business Strategy, Scalability, Compliance Management, Data-Driven Decision-Making, Business Ethics, Artificial Intelligence, Marketing Automation, Human Resources, Finance, Information Technology Operations
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Microsoft Excel, Data Validation, Excel Formulas, Analysis, Mathematical Modeling, Complex Problem Solving, Data Management
Advanced · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Identity and Access Management, Kubernetes, Google Cloud Platform, Virtual Machines, Cloud Applications, Microsoft Azure, Load Balancing, Cloud-Native Computing, Cloud Computing Architecture, Azure Active Directory, Virtualization and Virtual Machines, Cloud Storage, Public Cloud, Multi-Cloud, Cloud Infrastructure, Platform As A Service (PaaS), Cloud Management, Virtual Private Networks (VPN), Data Lakes, Containerization
Intermediate · Specialization · 1 - 3 Months

Saïd Business School, University of Oxford
Skills you'll gain: Responsible AI, Data Ethics, Governance, Compliance Management, Data Governance, Enterprise Risk Management (ERM), AI Product Strategy, Risk Management, Business Ethics, Artificial Intelligence, Accountability, Organizational Strategy, Law, Regulation, and Compliance, Artificial Intelligence and Machine Learning (AI/ML), Information Privacy, Generative AI, Information Management, Agentic systems, Generative AI Agents, Business Leadership
Beginner · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Infographics, LinkedIn, Social Media, Professional Development, Professional Networking, Verbal Communication Skills, Recruitment, Data Visualization, Branding
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Prompt Engineering, LangChain, Image Analysis, Responsible AI, OpenAI, LLM Application, Cloud Applications, Multimodal Prompts, Generative AI, Cloud API, Application Deployment, Prompt Engineering Tools, API Gateway, Generative AI Agents, Tool Calling, User Interface (UI), Data Ethics, Application Programming Interface (API), Open Source Technology, Software Engineering
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Bash (Scripting Language), Scalability, Distributed Computing, Big Data, Operating Systems, File Systems, Linux, Scripting, Command-Line Interface, Performance Tuning, Programming Principles, Computer Architecture
Build toward a degree
Beginner · Course · 1 - 4 Weeks
Illinois Tech
Skills you'll gain: Product Lifecycle Management, Market Dynamics, Supply And Demand, Game Theory, Business Strategy, Competitive Analysis, Business Economics, Market Trend, Economics, Strategic Decision-Making, Global Marketing, Cost Reduction, Price Negotiation, Innovation, Market Analysis, Strategic Thinking, Market Opportunities, Strategic Planning, Team Leadership, Adaptability
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: React.js, UI Components, Front-End Web Development, Web Content Accessibility Guidelines, User Interface (UI), JavaScript Frameworks, Web Development Tools, Event-Driven Programming, Web Frameworks, Functional Design, Cascading Style Sheets (CSS), Application Programming Interface (API)
Intermediate · Course · 3 - 6 Months

Microsoft
Skills you'll gain: Marketing Automation, Sales Management, Customer Engagement, Customer Relationship Management (CRM) Software, Sales Process, Microsoft 365, Resource Allocation, Microsoft Teams, Sales Operations, Lead Generation, Marketing, Customer Data Management, Power BI, Customer Service, Customer Insights, Scheduling
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Generative AI, Microsoft Copilot, Prompt Engineering, Test Case, Responsible AI, Microsoft Visual Studio, Version Control, Code Review, Data Ethics, GitHub, Software Development Tools, Software Configuration Management, Software Documentation, Program Development, Integrated Development Environments, Maintainability, Computer Programming Tools, Artificial Intelligence, Development Environment, Project Management
Intermediate · Specialization · 1 - 3 Months