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: Linux Servers, Unix Commands, Systems Administration, Network Support, TCP/IP, Service Management, Network Troubleshooting, Site Reliability Engineering, IT Automation, Hardware Architecture, File Management
Intermediate · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Experimentation, Research Design, Statistical Analysis, Data Ethics, Statistical Modeling, Data Science, A/B Testing, Data Analysis, Quantitative Research, Regression Analysis, Statistical Inference, Probability & Statistics, Sample Size Determination, Linear Algebra, Calculus
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Health Informatics, Digital Transformation, Health Technology, Public Health, Medical Privacy, Health Systems, Health Care, Data Governance, Interoperability, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Project Finance, Financial Modeling, Risk Analysis, Loans, Financial Analysis, Financial Forecasting, Excel Formulas, Project Risk Management, Cost Benefit Analysis, Revenue Forecasting, Risk Management, Due Diligence, Microsoft Excel, Cash Flows
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Month End Closing, Balancing (Ledger/Billing), Variance Analysis, Fraud detection, Expense Management, Bookkeeping, Generally Accepted Accounting Principles (GAAP), Record Keeping, Reconciliation, Income Statement, Data Validation, Payroll Systems, Expense Reports, Financial Statements, Payroll Processing, Business Metrics, Financial Analysis, General Ledger, Financial Reporting, Accounts Payable
Beginner · Specialization · 3 - 6 Months

Illinois Tech
Skills you'll gain: Time Series Analysis and Forecasting, R Programming, Statistical Analysis, Statistical Software, Forecasting, Statistical Modeling, Data Analysis, Statistical Methods, Statistical Visualization, Data Presentation, Probability & Statistics, Model Evaluation, Statistical Hypothesis Testing
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Amazon Web Services, Cloud Computing, Public Cloud, Cloud Infrastructure, Amazon Elastic Compute Cloud, Cloud Computing Architecture, Serverless Computing, Cloud Security, Amazon DynamoDB, Amazon S3, Databases, Data Storage, Network Architecture, Data Migration, Scalability
Beginner · Course · 3 - 6 Months

Logical Operations
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Development, Javascript, Web Design, JavaScript Frameworks, Web Development Tools, Web Servers, Web Design and Development, Browser Compatibility, Web Content, Web Analytics and SEO, Server Side, Hypertext Markup Language (HTML), Web Applications, Web Frameworks, Front-End Web Development, Event-Driven Programming, Web Content Accessibility Guidelines, Software Development
Mixed · Course · 1 - 3 Months

Skills you'll gain: Marketing Automation, Lead Generation, Customer Relationship Management (CRM) Software, Brand Awareness, Sales Pipelines, Web Analytics, Customer Acquisition Management, Marketing Operations, Marketing Effectiveness, Social Media, Branding, Performance Analysis, Social Media Management, Brand Management, Business Metrics, Data Capture, Market Research
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI) Design, Human Computer Interaction, Interactive Design, Usability, Software Design, Application Development, Software Architecture
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Responsible AI, Sales Strategy, Sales Management, Sales Development, Sales, Sales Process, Sales Pipelines, Customer Relationship Management, AI Enablement, B2B Sales, AI Personalization, Sales Presentation, Lead Generation, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Data-Driven Decision-Making, Generative AI Agents, Forecasting
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Key Performance Indicators (KPIs), Bookkeeping, Financial Forecasting, Budget Management, Financial Statement Analysis, Revenue Forecasting, Market Dynamics, Capital Budgeting, Operating Budget, Generally Accepted Accounting Principles (GAAP), Financial Analysis, Process Improvement, Financial Data, Variance Analysis, Predictive Analytics, Data-Driven Decision-Making, Financial Modeling, Financial Reporting, Process Optimization, Data Visualization
Intermediate · Specialization · 3 - 6 Months