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.

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Test Case, Test Data, Test Script Development, Test Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Technical Communication, English Language, Health Technology, Technology Solutions, Telecommuting, Language Learning, End User Training and Support, Vocabulary, Oral Comprehension, Education Software and Technology, Grammar, Emerging Technologies, Data Security
Mixed · Course · 1 - 3 Months

Skills you'll gain: ISO/IEC 27001, Threat Management, Security Management, Data Security, Cyber Risk, Risk Management, Continuous Monitoring, Vulnerability Assessments, Cyber Security Policies, Security Controls, Governance Risk Management and Compliance, Cybersecurity, Information Systems, Scenario Testing, Asset Protection
Beginner · Course · 3 - 6 Months

EDUCBA
Skills you'll gain: Pandas (Python Package), Databases, Data Pipelines, Data Access, Performance Tuning, Data Transformation, Data Structures, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Computer Systems, Informatics, Data Processing, Data Sharing, Computing Platforms, Bioinformatics, Data Storage, Computer Literacy, Computer Hardware, Big Data, Capacity Management, Data Centers, Computer Security Awareness Training, Cloud Computing, Oncology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Virtual Private Networks (VPN), Linux Servers, Ubuntu, Network Troubleshooting, Authentications, Remote Access Systems, Encryption, Network Security, Linux, Network Monitoring, Network Performance Management, Cross Platform Development
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Microsoft Azure, Virtual Machines, Data Storage Technologies, Cloud Storage, Infrastructure As A Service (IaaS), Cloud Computing, Disaster Recovery, Cloud Infrastructure, Cloud Services
Beginner · Guided Project · Less Than 2 Hours
Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Storytelling, Recognizing Others, Team Building, Trustworthiness, Team Performance Management, Team Management, Teamwork, Collaboration, Team Leadership, Visionary, Leadership Development, Peer Review, Drive Engagement, Team Motivation, Professional Development, Employee Coaching, Leadership, Performance Management, Communication, Productivity
Beginner · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Timelines, Ancient History, Scientific Methods, World History, Anthropology, General Science and Research, Environmental Science, Investigation, Environment, Spatial Analysis, Geographic Information Systems, Research, Geospatial Information and Technology, Research Methodologies, Data Collection, Biology
Beginner · Course · 1 - 3 Months

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

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

MedCerts
Skills you'll gain: Claims Processing, Medical Coding, Medical Records, Health Information Management, Medical Privacy, Personally Identifiable Information, Regulatory Compliance
Beginner · Course · 1 - 3 Months