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: Network Security, Remote Access Systems, Disaster Recovery, OSI Models, General Networking, Network Administration, Network Troubleshooting, Computer Networking, Network Architecture, Network Infrastructure, Networking Hardware, Network Monitoring, TCP/IP, Virtual Private Networks (VPN), Network Protocols, Cybersecurity, Computer Security, Data Centers, Virtualization, Authentications
Intermediate · Specialization · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Cultural Diversity, Anthropology, Biology, Sociology, Psychology, Ancient History, Political Sciences, Neurology, Science and Research
Mixed · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Regression Analysis, Actuarial Science, Derivatives, Financial Market, Statistical Methods, Market Data, Financial Modeling, Securities (Finance), Risk Modeling, Financial Trading, Financial Systems, Mathematical Modeling, Numerical Analysis, Equities, Applied Mathematics, Financial Data, Correlation Analysis, Python Programming, Process Optimization, Probability Distribution
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Version Control, Continuous Integration, Functional Testing, Automation, Scripting, Web Scraping, UI Components, Hypertext Markup Language (HTML), File Management, Development Environment, Debugging, Command-Line Interface
Beginner · Specialization · 3 - 6 Months

Advancing Women in Tech
Skills you'll gain: Amazon Web Services, Cloud Computing, Amazon S3, Cloud Storage, Technical Product Management, Cloud Services, Cloud Security, Cloud Infrastructure, Amazon Elastic Compute Cloud, AWS Identity and Access Management (IAM), Amazon DynamoDB, Cloud Computing Architecture, AWS CloudFormation, Network Architecture, Amazon Redshift, Data Security, Databases, Innovation, Technical Support, Product Management
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Agentic systems, Generative AI Agents, LLM Application, Application Design, Tool Calling, Large Language Modeling, Software Design Patterns, Data Validation
Intermediate · Course · 1 - 4 Weeks

Alfaisal University | KLD
Skills you'll gain: Business Management, Administration, Leadership and Management, Performance Management, Organizational Structure, Organizational Effectiveness, Goal Setting, Leadership, Human Resources
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Key Performance Indicators (KPIs), Performance Measurement, Business Metrics, Continuous Improvement Process, Performance Analysis, Business Process Improvement, Performance Improvement, Business Analysis, Data-Driven Decision-Making, Business Priorities, Operational Efficiency, Business Reporting, Smart Goals
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Pay Per Click Advertising, Search Engine Marketing, Customer Retention, Persona Development, Digital Marketing, Marketing Analytics, Search Engine Optimization, Key Performance Indicators (KPIs), Target Audience, Keyword Research, Social Media Strategy, Digital Advertising, Marketing Effectiveness, Customer Acquisition Management, Customer experience improvement, Marketing Strategy and Techniques, Customer Engagement, A/B Testing, Web Analytics, Social Media
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Social Media Management, Social Media, Social Media Marketing, Google Ads, Email Marketing, Social Media Strategy, Online Advertising, Social Media Campaigns, Content Creation, Customer Retention, Instagram, Paid media, Customer Relationship Building, E-Commerce, Digital Marketing, TikTok, Keyword Research, Content Marketing, Strategic Marketing, Brand Marketing
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Systems Thinking, Creative Thinking, Innovation, Systems Analysis, Complex Problem Solving, Analysis, Business Systems Analysis, Strategic Thinking, Critical Thinking, Organizational Change, Collaboration, Data Visualization
Beginner · Course · 1 - 4 Weeks
Universidad Austral
Skills you'll gain: Angular, JavaScript Frameworks, Continuous Integration, TypeScript, JSON, Application Frameworks, Restful API, Test Automation, Web Services, Unit Testing, Web Applications, NoSQL, API Gateway, UI Components, Event-Driven Programming, Routing Protocols, Data Validation
Beginner · Course · 1 - 4 Weeks