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.

Amazon Web Services
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon DynamoDB, Amazon S3, Amazon Elastic Compute Cloud, API Gateway, Serverless Computing, Cloud API, Amazon Web Services, Authentications, Authorization (Computing), NoSQL, Data Storage
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Security Assessment, Compliance Management, Internal Controls, Threat Detection, Governance, Continuous Monitoring, Data Management, Disaster Recovery, Key Performance Indicators (KPIs), Regulatory Requirements, Business Analysis, Organizational Structure, Accountability, Stakeholder Communications
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Cleansing, SQL, Data Quality, Data Transformation, Big Data, Metadata Management, Query Languages, Google Cloud Platform, Data Analysis, Google Analytics
Beginner · Project · Less Than 2 Hours

Saïd Business School, University of Oxford
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Sustainability Reporting, Business Reporting, Financial Reporting, Corporate Sustainability, Sustainable Business, Enterprise Risk Management (ERM), Business Ethics, Compliance Reporting, Risk Management, Corporate Strategy, Data Strategy, Stakeholder Management, Financial Analysis, Stakeholder Communications, Ethical Standards And Conduct, Performance Analysis, Value Propositions, Regulatory Requirements, Innovation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Ethics, Security Awareness, Computer Security Awareness Training, Ethical Standards And Conduct, Cybersecurity, Information Technology, Responsible AI, Information Privacy, Social Impact, Media and Communications, Personally Identifiable Information, Artificial Intelligence, General Data Protection Regulation (GDPR)
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Regression Analysis, Time Series Analysis and Forecasting, Forecasting, People Analytics, Trend Analysis, Microsoft Excel, Statistical Modeling, Correlation Analysis, Predictive Analytics, Statistical Analysis, Data Analysis Software, Analytical Skills, Probability & Statistics, Graphing, Climate Change Adaptation, Data Manipulation
Mixed · Course · 1 - 3 Months

University of London
Skills you'll gain: Leadership and Management, Organizational Structure, Organizational Leadership, Music, Business Management, Storytelling, Leadership, Productivity, Workforce Management, Innovation, Writing and Editing, Employee Engagement, Analysis
Beginner · Course · 1 - 4 Weeks

Sapienza University of Rome
Skills you'll gain: Financial Systems, Financial Data, Financial Policy, Financial Market, International Finance, Finance, Accounting, Banking, Economics, Financial Analysis, Microsoft Excel, Spreadsheet Software, Data Analysis
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Generative AI Agents, Google Cloud Platform, Cloud Security, Agentic systems, Data Access, Prompt Engineering, Large Language Modeling, Enterprise Security, Cloud Storage, Data Integration, Artificial Intelligence, Data Security, Application Deployment
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Search Engine Marketing, Google Ads, Marketing Analytics, Web Analytics, Google Analytics, Key Performance Indicators (KPIs), Marketing Effectiveness, Performance Measurement, Business Metrics, Marketing Budgets, Performance Metric, Performance marketing, Pay Per Click Advertising, Paid media, Marketing Strategies, Search Engine Optimization, Data-Driven Decision-Making, Marketing Automation, Digital Marketing, AI Personalization
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Microsoft Azure, Internet Of Things, Cloud Services, Network Routing, Data Store, Data Storage, Cloud Solutions
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Go (Programming Language), Debugging, Unit Testing, Verification And Validation, Application Frameworks, Programming Principles, Web Development, Web Applications, Data Structures, Development Environment, Object Oriented Programming (OOP), Software Design, Command-Line Interface
Intermediate · Course · 1 - 3 Months