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.

Salesforce
Skills you'll gain: Overcoming Objections, Prospecting and Qualification, Customer Relationship Management, Lead Generation, Sales Development, Time Management, Business Writing, Salesforce, Writing, Productivity, Cold Calling, Sales Prospecting, Growth Mindedness, Verbal Communication Skills, Cultural Diversity, Sales Enablement, Empathy, Interviewing Skills, Professional Development, Sales
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Instituto Tecnológico de Aeronáutica
Skills you'll gain: User Story, Agile Software Development, Backlogs, Agile Methodology, Scrum (Software Development), Sprint Retrospectives, Test Driven Development (TDD), Requirements Analysis, Sprint Planning, Unified Modeling Language, Software Development Methodologies, Software Engineering, Software Development
Intermediate · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Business Administration, Leadership Studies, Supply Chain, Marketing Strategies, Digital Transformation, Supply Chain Management, Marketing, Financial Data, Innovation, Corporate Sustainability, Accounting, Business Modeling, Change Management, Business Economics, Project Management, Business Strategies, Global Marketing, B2B Sales
Intermediate · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Prompt Engineering, Generative AI, Agentic systems, Responsible AI, Artificial Neural Networks, Data Ethics, Governance, Artificial Intelligence, LLM Application, ChatGPT, Artificial Intelligence and Machine Learning (AI/ML), Compliance Management, AI Product Strategy, Data Governance, Enterprise Risk Management (ERM), Large Language Modeling, Business Ethics, Risk Management, Machine Learning, Project Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Identity and Access Management, Endpoint Security, Network Security, Cybersecurity, Threat Detection, Cyber Attacks, Data Security, Cyber Security Strategy, Secure Coding, Firewall, Application Security, Authentications, Infrastructure Security, Security Controls, Authorization (Computing), Security Information and Event Management (SIEM), Data Governance, Security Testing, Virtual Private Networks (VPN)
Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Distributed Computing, NoSQL, Apache Cassandra, Cloud Computing, Systems Design, Data Storage Technologies, Apache Hadoop, Database Theory, Algorithms, Theoretical Computer Science, Scalability, C++ (Programming Language), Network Protocols
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: MITRE ATT&CK Framework, Cyber Threat Hunting, Threat Detection, Threat Modeling, Exploit development, Cybersecurity, Network Security, System Monitoring, Cyber Operations, Continuous Monitoring, Cyber Threat Intelligence, Exploitation techniques, Scripting, IT Automation, Network Monitoring, Command-Line Interface, Persistence, Python Programming, Data Access, Computer Programming
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Embedded Systems, Electronic Systems, Embedded Software, Electronics Engineering, Electronics, Hardware Design, Electronic Components, Thermal Management, Electrical Wiring, Development Environment, Schematic Diagrams, Design Specifications, Debugging
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Advanced · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Business Analytics, Analytics, Data Analysis, Business Intelligence, Analytical Skills, Business Analysis, Advanced Analytics, Data-Driven Decision-Making, Trend Analysis, Predictive Analytics, Data Strategy, Data Warehousing, Data Science
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Operating Systems, Hardware Troubleshooting, Desktop Support, Network Troubleshooting, Network Security, Computer Hardware, Network Support, System Support, Microsoft Windows, Systems Administration, Networking Hardware, Mac OS, Technical Support, System Configuration, Technical Support and Services, Operating System Administration, Network Infrastructure, Data Storage, Command-Line Interface, Peripheral Devices
Intermediate · Specialization · 3 - 6 Months

University of Maryland, College Park
Skills you'll gain: Cryptography, Encryption, Public Key Cryptography Standards (PKCS), Cybersecurity, Digital Communications, Authentications, Data Integrity, Algorithms, Computer Science
Mixed · Course · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Operations Research, Applied Mathematics, Mathematical Modeling, Problem Solving, Combinatorics, Graph Theory, Decision Support Systems, Computational Thinking, Data Modeling
Intermediate · Course · 1 - 4 Weeks