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 Arizona
Skills you'll gain: Water Resources, Environment, Environmental Science, Biology, Environment and Resource Management, Sustainable Systems, Physical Science, Water Quality, Climate Change Adaptation, Research
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Graph Theory, Social Sciences, Statistical Analysis, R Programming, Sociology, Statistical Modeling, Statistical Hypothesis Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Responsible AI, Data Ethics, Health Care Procedure and Regulation, Healthcare Industry Knowledge, Medical Privacy, Artificial Intelligence, Clinical Documentation, LLM Application, Healthcare Ethics, Health Informatics, Treatment Planning, Diagnostic Radiology, Medical Imaging, Natural Language Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Project, Earned Value Management, Work Breakdown Structure, Project Schedules, Resource Allocation, Calendar Management, Project Controls, Excel Macros, Project Performance, Resource Management, Timelines, Business Reporting, Resource Planning, Milestones (Project Management), Scheduling, Cost Management, Project Management, Capacity Management, Dependency Analysis, Consolidation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Agentic Workflows, AI Workflows, Generative AI Agents, AI Orchestration, LLM Application, OpenAI, Agentic systems, AI Enablement, ChatGPT, Model Deployment, Generative AI, Artificial Intelligence, Decision Support Systems, Data Integration
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Cyber Threat Intelligence, Responsible AI, Cybersecurity, Threat Detection, Threat Modeling, Security Information and Event Management (SIEM), Incident Response, AI Security, Generative AI, Data Ethics, Security Testing, Vulnerability Assessments
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Logistic Regression, SAS (Software), Predictive Modeling, Regression Analysis, Predictive Analytics, Feature Engineering, Analytics, Statistical Methods, Data Transformation, Statistical Modeling, Statistical Analysis, Business Analytics, Estimation, Probability
Mixed · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Microsoft Excel, Excel Formulas, Data Visualization, Spreadsheet Software, Interactive Data Visualization, Productivity Software, Microsoft 365, Data Management, Dashboard, Microsoft Copilot, Data Sharing, Generative AI, Cloud Storage
Beginner · Course · 1 - 3 Months

Skills you'll gain: Full-Stack Web Development, IntelliJ IDEA, Spring Boot, React.js, Restful API, Integrated Development Environments, Object-Relational Mapping, Web Development Tools, Back-End Web Development, Web Applications, Application Frameworks, Command-Line Interface, Data Access
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Blockchain, Risk Management, Enterprise Risk Management (ERM), Risk Analysis, Business Risk Management, Governance Risk Management and Compliance, Legal Risk, Interoperability, Cyber Risk, Information Technology Architecture, Network Architecture, Systems Architecture, Data Architecture, Governance, Solution Architecture, Application Security, Project Documentation, Cryptography, Data Storage, Data Storage Technologies
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Amazon DynamoDB, Cloud Services, Cloud Computing, Relational Databases, Cloud Storage, Amazon CloudWatch, Databases, Database Management, Virtual Private Networks (VPN)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Process Mapping, Lean Six Sigma, Six Sigma Methodology, Quality Management, Process Analysis, Quality Improvement, Data-Driven Decision-Making, Process Flow Diagrams, Pareto Chart, Run Chart, Statistical Process Controls, Process Improvement, Statistical Analysis, Statistical Methods, Data Analysis, Histogram, Scatter Plots
Mixed · Course · 1 - 4 Weeks