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, Package and Software Management, Linux Administration, Red Hat Enterprise Linux, File Systems, Scripting, User Accounts, Linux Servers, Command-Line Interface, Shell Script, System Configuration, Linux Commands, Unix Shell, Operating System Administration, Unix Commands, Open Source Technology, Disaster Recovery, System Monitoring, Systems Administration, Web Servers
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Security, Information Systems Security, Information Assurance, Security Controls, Data Integrity, Personally Identifiable Information, Identity and Access Management, Network Security, IT Security Architecture, Authentications, Cybersecurity, Authorization (Computing), Infrastructure Security, Computer Security, Encryption, User Accounts, Security Awareness, Safety and Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Identity and Access Management, Network Security, Cloud Security, Azure Active Directory, Security Management, Authorization (Computing), Data Access, Security Information and Event Management (SIEM), Firewall, Role-Based Access Control (RBAC), Security Controls, Continuous Monitoring, Key Management, Threat Detection, Virtual Machines, Incident Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Human Resources, Responsible AI, Developing Training Materials, Generative AI, AI Enablement, Workforce Development, Miro AI, Data Ethics, Recruitment, Generative AI Agents, People Analytics, People Management, AI Personalization, Talent Management, Automation, Talent Acquisition, Prompt Engineering, No-Code Development, Agentic systems, Business Operations
Beginner · Specialization · 1 - 3 Months

Simplilearn
Skills you'll gain: Marketing, Digital Marketing, UI/UX Strategy, Digital Advertising, Marketing Strategy and Techniques, E-Commerce, Social Media Marketing, Content Marketing, Search Engine Optimization, Video Production, Business Strategy, Brand Awareness, Web Analytics and SEO, Consumer Behaviour
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Copilot, Microsoft 365, Sales Enablement, Marketing Automation, Customer experience improvement, Generative AI, Business Process Automation, AI Security, Customer Service, Business Metrics, AI Enablement, Return On Investment, Automation, Customer Retention, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Cybersecurity, Metasploit, Cyber Attacks, Application Security, Exploitation techniques, Network Security, Security Awareness, Malware Protection, Vulnerability Assessments, Javascript
Intermediate · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Health Informatics, Generative AI Agents, Clinical Informatics, Nursing Process, Clinical Data Management, Nursing and Patient Care, Nursing, Healthcare Ethics, Generative AI, Responsible AI, Nursing Practices, Patient-centered Care, Health Care, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Healthcare Industry Knowledge, Basic Patient Care, Business Acumen, Physiology, Business
Intermediate · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Cybersecurity, Cyber Security Policies, Cyber Risk, Risk Management, Cyber Attacks, Risk Mitigation, Business Risk Management, Cyber Security Strategy, Stakeholder Communications, Operational Risk, Enterprise Risk Management (ERM), Security Management, Risk Analysis, Cyber Security Assessment, Threat Modeling, Risk Modeling, Governance, Vulnerability Assessments, Information Privacy, Estimation
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Digital Transformation, Cloud Solutions, Cloud Infrastructure, Cloud Computing, Public Cloud, Business Transformation, Platform As A Service (PaaS), Google Cloud Platform, Software As A Service, Capital Expenditure, Technology Strategies, Infrastructure As A Service (IaaS), Cloud Security, Operating Expense, Computer Networking
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Cyber Threat Intelligence, Cyber Attacks, Cyber Threat Hunting, Cyber Security Strategy, Information Systems Security, Threat Detection, Network Security, Security Information and Event Management (SIEM), Security Management, Threat Management, MITRE ATT&CK Framework, Security Controls, Incident Response, Vulnerability Assessments, Cloud Security, Vulnerability Management, Vulnerability, Encryption, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Integrity, Data Management, Personally Identifiable Information, Data Loss Prevention, Cloud Storage, Data Encryption Standard, Authorization (Computing)
Advanced · Course · 1 - 4 Weeks