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: Data Migration, MySQL, Amazon Web Services, Data Import/Export, Google Cloud Platform, Databases, Relational Databases
Advanced · Project · Less Than 2 Hours

Skills you'll gain: Kubernetes, Docker (Software), Network Troubleshooting, Containerization, CI/CD, Application Deployment, Cloud Deployment, YAML, Scalability, Cloud Computing Architecture, Virtual Networking, Role-Based Access Control (RBAC), Network Monitoring, System Monitoring, Configuration Management, Debugging, Data Persistence
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Ajax, Object Oriented Programming (OOP), Javascript, JSON, Application Programming Interface (API), Scripting, Software Design Patterns, Data Management, Data Structures, Event-Driven Programming, Data Validation, Prototyping, Computational Logic, Maintainability, Programming Principles, Web Development, Software Development, Debugging, Software Engineering, Performance Tuning
Intermediate · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Application Security, Vulnerability Assessments, Vulnerability Management, Event Monitoring, Security Controls, Data Integrity, System Monitoring, Patch Management, Server Side
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, DevOps, CI/CD, Application Deployment, Development Environment, Cloud Applications, Continuous Deployment, Version Control, Continuous Integration, Amazon Web Services, Git (Version Control System), Data Persistence, Database Development, Interactive Data Visualization, Application Programming Interface (API), Real Time Data
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: IT Security Architecture, Incident Response, Endpoint Security, Zero Trust Network Access, Risk Analysis, Network Security, Risk Mitigation, Cyber Governance, Compliance Auditing, Event Monitoring, Application Security, Cyber Security Policies, Cyber Risk, Computer Security, Governance, Data Security, Information Systems Security, Infrastructure Security, Mobile Security, Risk Management
Intermediate · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Tool Calling, Generative AI Agents, Retrieval-Augmented Generation, LLM Application, Agentic systems, Debugging, Prompt Engineering, Document Management
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Object Oriented Programming (OOP), Javascript, Software Design Patterns, Data Management, Data Structures, Prototyping, Web Development, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Logo Design, Canva (Software), Marketing Design, Marketing Materials, Advertising, Branding, Marketing, Brand Awareness, Creative Design, Promotional Materials, Graphic and Visual Design Software, Graphic Design, Aesthetics, Design, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Arizona State University
Skills you'll gain: Experimentation, Research Design, Statistical Modeling, Statistical Methods, Applied Machine Learning, Supervised Learning, Logistic Regression, Predictive Modeling, Statistical Programming, Statistical Analysis, Statistical Inference, Simulation and Simulation Software, Probability & Statistics, Data Science, Data Visualization, Simulations, Data Analysis, Data Analysis Software
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Campaign Management, Social Media Marketing, Social Media, Content Creation, Innovation, Marketing Automation, Social Media Campaigns, Prompt Engineering, Instagram, Customer Engagement, Advertising Campaigns, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Intrusion Detection and Prevention, Command-Line Interface, Cybersecurity, Information Systems Security, Local Area Networks, Firewall, Windows PowerShell, Hardening, Threat Detection, Linux, Penetration Testing, Network Architecture, Wireless Networks, Vulnerability Assessments, System Configuration, IT Automation, Encryption, Network Analysis, Public Key Infrastructure
Intermediate · Course · 1 - 4 Weeks