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: Disaster Recovery, Regulation and Legal Compliance, Risk Management, Compliance Management, Regulatory Compliance, Governance Risk Management and Compliance, Risk Analysis, Cloud Security, Business Continuity, Cyber Risk, Security Management, Vendor Management, Incident Response, Data Security, Personally Identifiable Information, Business Analysis
Advanced · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Human Centered Design, Design Thinking, Change Management, Storytelling, Analysis, Data Storytelling, Data Analysis, Complex Problem Solving, Social Impact, Stakeholder Analysis, Innovation, Quantitative Research, Strategic Communication, Analytics, Diversity and Inclusion, Qualitative Research, Resource Allocation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Analytics, Google Analytics, Content Performance Analysis, Customer Analysis, E-Commerce, Marketing Analytics, Performance Analysis, Performance Reporting, Marketing Effectiveness
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, Network Security, Network Analysis, Network Protocols, Open Source Technology
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Computer Security Incident Management, Endpoint Security, Incident Management, Incident Response, ISO/IEC 27001, Security Management, Vulnerability Scanning, Digital Forensics, Risk Management, Personally Identifiable Information, Linux, Linux Administration, Infrastructure Security, Network Security, Threat Management, Event Monitoring, Enterprise Risk Management (ERM), Business Risk Management, Security Information and Event Management (SIEM), Security Strategy
Beginner · Specialization · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Incident Response, Computer Security Incident Management, Event Monitoring, Threat Detection, General Networking, Network Security, Network Administration, Cybersecurity, Infrastructure Security, Technical Support and Services, Data Management
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Sales Territory Management, Sales Strategy, Customer Engagement, Sales Process, Lead Generation, Sales, Market Intelligence, Sales Enablement, Sales Training, Real Time Data, Personalized Service, AI Enablement, Market Analysis, Ethical Standards And Conduct, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Data Literacy, Technical Communication, Probability & Statistics, Web Scraping, Data Import/Export, JSON, Statistical Analysis, Pandas (Python Package), Analytical Skills, Descriptive Statistics, Data Manipulation, Probability, Data Collection, Data Capture, Restful API, Performance Measurement, Data Cleansing, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, Prompt Engineering, Large Language Modeling, Retrieval-Augmented Generation, Vector Databases, Tool Calling, Embeddings, OpenAI API, ChatGPT, Google Gemini, Agentic Workflows
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Leadership and Management, People Management, Team Leadership, Organizational Change, Decision Making, Cultural Diversity, Conflict Management, Business Leadership, Team Management, Leadership, Virtual Teams, Cultural Sensitivity, Organizational Structure, Diversity and Inclusion, Influencing, Human Resource Strategy, Business Ethics, Negotiation, Innovation, Business Communication
Build toward a degree
Intermediate · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Digital Transformation, Business Transformation, Technology Strategies, Business Technologies, E-Commerce, Business Management, Innovation, Business, Customer Acquisition Management, Data Management, Marketing Strategies, Data-Driven Decision-Making, Scalability, Customer experience strategy (CX), Presentations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Excel Macros, Visual Basic (Programming Language), Data Structures, Scripting, Programming Principles, Automation, Scripting Languages, Microsoft Development Tools, Computational Logic
Intermediate · Course · 1 - 3 Months