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.

Association of International Certified Professional Accountants
Skills you'll gain: Robotic Process Automation, Business Process Automation, Return On Investment, Automation, Accounting and Finance Software, Business Requirements, Process Analysis, Business Metrics, Value Propositions, Process Improvement, Project Scoping, Digital Transformation
Mixed · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Vulnerability Assessments, Application Security, Vulnerability Management, Event Monitoring, Secure Coding, Security Controls, Hardening, Data Integrity, Security Testing, System Monitoring, Cybersecurity, Patch Management, Threat Modeling, Exploitation techniques, Authorization (Computing), Cryptography, Extensible Markup Language (XML), System Configuration
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Data Modeling, Oracle SQL Developer, Relational Databases, Database Design, Databases, SQL, Oracle Databases, Database Management, Software Installation
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Project Planning, Stakeholder Management, Planning, Conflict Management, Project Management, Project Scoping, Leadership and Management, Project Coordination, Influencing, Organizational Structure, Communication Strategies
Mixed · Course · 1 - 3 Months

Skills you'll gain: Blockchain, FinTech, Application Development, Emerging Technologies, Computer Programming Tools, Program Development, Cryptography, Development Environment, Programming Principles, Transaction Processing, Data Structures, Debugging
Intermediate · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Machine Learning Methods, Network Model, Operations Research, Mathematical Modeling, Microsoft Excel, Business Analytics, Analytics, Analytical Skills, Operational Analysis, Business Mathematics, Data-Driven Decision-Making, Process Optimization, Applied Mathematics, Statistical Methods, Team Building, Analysis, Model Evaluation, Case Studies
Build toward a degree
Beginner · Course · 3 - 6 Months

Coursera
Skills you'll gain: Google Analytics, Web Analytics and SEO, Search Engine Optimization, Web Analytics, Content Performance Analysis, Keyword Research, Prioritization, Data Import/Export, Workflow Management, Content Strategy, Data Integration, User Research, Performance Metric
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Email Automation, Scripting, Google Workspace, Gmail, Web Development Tools, Javascript, Google Cloud Platform, Spreadsheet Software, Web Development
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Timelines, Organizational Skills, Scheduling, Project Coordination, Milestones (Project Management), Time Management, Project Management Software, Project Management, Delegation Skills, Data Visualization, Team Management, Dependency Analysis
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Full-Stack Web Development, UI Components, User Interface (UI), MySQL, Object Oriented Programming (OOP), Event-Driven Programming, Human Computer Interaction, Database Design, Application Deployment, Application Design, Python Programming, User Interface (UI) Design, Application Development, Database Management, Graphical Tools, Database Application, Databases, Software Design, Computer Graphics, Development Environment
Intermediate · Specialization · 1 - 3 Months

Starweaver
Skills you'll gain: Data Storytelling, Business Writing, Concision, Sales Presentations, Sales Strategy, Writing, Persuasive Communication, Customer Relationship Management (CRM) Software, Storytelling, Responsible AI, Sales, Business Communication, Google Gemini, Anthropic Claude, AI Enablement, Sales Enablement, Generative AI, Communication, Proposal Writing, Communication Strategies
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Networking Hardware, OSI Models, Network Architecture, Network Protocols, Network Security, TCP/IP, Computer Networking, Local Area Networks, Virtual Private Networks (VPN), Wireless Networks, Network Routing, Wide Area Networks, Network Switches, Virtual Local Area Network (VLAN), Firewall
Intermediate · Course · 1 - 3 Months