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 Colorado Boulder
Skills you'll gain: Statistical Analysis, Matplotlib, Regression Analysis, Statistical Modeling, Dimensionality Reduction, Unsupervised Learning, Applied Machine Learning, Statistical Machine Learning, Machine Learning, Data Science, Environmental Policy, Data Analysis, Energy and Utilities, Data Visualization, Pandas (Python Package), Supervised Learning, Climate Change Mitigation, Anomaly Detection, Environment, Political Sciences
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Google Ads, Pay Per Click Advertising, Marketing Effectiveness, Performance Measurement, Key Performance Indicators (KPIs), Online Advertising, Campaign Management, Search Engine Marketing, Digital Advertising, Performance Analysis, Keyword Research, Marketing Analytics, Brand Management, Social Media Campaigns, Budget Management, Project Management, Data-Driven Decision-Making, Return On Investment, Quality Assessment, Cost Reduction
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Test Automation, Test Execution Engine, System Testing, Software Testing, Regression Testing, Test Case, CI/CD, Integration Testing, Maintainability, Automation, Test Data, Quality Assurance, Scalability, SAP Applications
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Spreadsheet Software, Financial Data, Excel Formulas, Budget Management, Microsoft Excel, Budgeting, Financial Analysis, Data Cleansing, Financial Modeling, Data Integration, Data-Driven Decision-Making, Financial Reporting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Firefly, Adobe Photoshop, Photo Editing, Storytelling, Adobe Creative Cloud, Generative AI Agents, Data Import/Export, Image Quality, Color Theory, Generative AI, Photography, Graphic and Visual Design, Editing, Creative Design, Design Elements And Principles, Design Software, Design, Creative Thinking, Creativity, Portfolio Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Cybersecurity, Cyber Attacks, Data Security, Computer Security Awareness Training, Authentications, Authorization (Computing), Application Security, Security Controls, Personally Identifiable Information, Security Awareness, Identity and Access Management, Information Privacy, Cryptography, Malware Protection, Hardening, Encryption, Email Security, Vulnerability Assessments, Multi-Factor Authentication, Data Integrity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ledgers (Accounting), Small Business Accounting, Accounts Payable, Sales Tax
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Email Automation, Email Marketing, Marketing Automation, Performance Analysis, Performance Measurement, Quality Assurance, Campaign Management, Performance Metric, Benchmarking, Marketing Effectiveness, HubSpot CRM, Automation, Key Performance Indicators (KPIs), Marketing Analytics, Data-Driven Decision-Making, Personalized Service, Customer Engagement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Client Services, Loyalty Programs, Customer Retention, E-Commerce, Brand Loyalty, Customer Relationship Management, Customer Engagement, Digital Marketing, Product Improvement, Web Analytics and SEO, Marketing Analytics, Performance Analysis, Customer Insights, Portfolio Management, Presentations, Generative AI Agents, Key Performance Indicators (KPIs), Business Metrics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Project Design, Project Coordination, Decision Making, Agile Methodology, Stakeholder Engagement, Waterfall Methodology, Project Management, Agile Project Management, Project Planning
Beginner · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Responsible AI, Data Ethics, AI Security, Artificial Intelligence, Ethical Standards And Conduct, Information Privacy, Personally Identifiable Information, Data Governance, Data Security, Governance, Complex Problem Solving, Critical Thinking
Intermediate · Course · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Strategic Sourcing, Procurement, Supplier Management, Supply Chain, Supplier Performance Management, Supply Management, Supply Chain Management, Benchmarking, Competitive Analysis, Business Analytics, Analytics, Business Intelligence, Financial Analysis
Beginner · Course · 1 - 4 Weeks