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: Apache Spark, Apache Hadoop, Data Lakes, Big Data, Linux Commands, File Systems, Data Management, Command-Line Interface, Data Processing, Software Installation, Distributed Computing, System Configuration
Intermediate · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Health Policy, Climate Change Adaptation, Policy Analysis, Environmental Policy, Social Determinants Of Health, Health Systems, Environmental Issue, Sustainable Development, Climate Change Mitigation, Policy Development, Public Health, Environmental Science, International Relations, Governance, Research
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Windows PowerShell, Scripting, IT Automation, Command-Line Interface, System Configuration, File Management, Software Installation, Development Environment, Integrated Development Environments, Data Management
Intermediate · Course · 1 - 4 Weeks
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), Cloud API, Restful API, Server Side, JSON, Software Documentation, Javascript, Web Services, Application Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Integrated Development Environments, Application Deployment, Cross Platform Development, Application Development, Development Environment, Software Development Tools, Java, Apache Maven, Programming Principles, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Usability Testing, Usability, Human Centered Design, Software Testing, User Acceptance Testing (UAT), Surveys, Human Computer Interaction, Software Quality (SQA/SQC), Test Planning, Technical Communication, User Experience Design, User Interface (UI), UI/UX Research, User Research, Web Content Accessibility Guidelines, User Experience, Risk Management Framework, Stakeholder Engagement, Law, Regulation, and Compliance
Advanced · Specialization · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Blockchain, Cryptography, FinTech, Governance, Emerging Technologies, Payment Systems, Transaction Processing, Distributed Computing, Digital Assets, Cyber Governance, Regulation and Legal Compliance, Ledgers (Accounting), Data Security, Interoperability, Case Studies, Scalability
Build toward a degree
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Online Advertising, Digital Advertising, Advertising, Analytics, Big Data, Paid media, Social Media Strategy, Social Media, Data Ethics, Marketing, Digital Media Strategy, Social Media Marketing, Data-Driven Decision-Making, Social Media Campaigns, Return On Investment, Descriptive Analytics, Law, Regulation, and Compliance, Trend Analysis, Customer Engagement, Information Privacy
Beginner · Course · 1 - 4 Weeks

Harvard Business Review
Skills you'll gain: Presentations, Data Storytelling, Verbal Communication Skills, Public Speaking, Communication, Concision, Business Writing, Grammar, Storytelling, Organizational Skills
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Full-Stack Web Development, Javascript, Web Development Tools, Jest (JavaScript Testing Framework), Web Design and Development, Object Oriented Programming (OOP), Web Development, Application Programming Interface (API), HTML and CSS, Back-End Web Development, Web Applications, JSON, Restful API, Event-Driven Programming, Application Development, Application Deployment, Unit Testing, Programming Principles, Data Structures, Prototyping
Beginner · Specialization · 3 - 6 Months

Illinois Tech
Skills you'll gain: Health Informatics, Clinical Informatics, Health Systems, Health Information Management, Interoperability, Health Technology, Health Care, Health Policy, Medical Terminology, Public Health, Stakeholder Engagement, Data Analysis
Intermediate · Course · 1 - 4 Weeks