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.

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Data Validation, Web Development Tools
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Provisioning, Virtual Networking, Multi-Factor Authentication, Virtual Private Networks (VPN), Servers
Beginner · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Threat Modeling, Cybersecurity, Cloud Security, Mobile Security, Vulnerability Assessments, Network Security, Application Security, Threat Detection, Security Awareness, Cyber Attacks, Brute-force attacks, MITRE ATT&CK Framework, Encryption, Vulnerability Scanning, Exploitation techniques, Infrastructure Security, Wireless Networks, Internet Of Things
Beginner · Course · 1 - 3 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Recognizing Others, Leadership Development, Professional Development, Team Motivation, Team Leadership, Team Management, Self-Awareness, Emotional Intelligence, Employee Engagement, Open Mindset, Storytelling, Mindfulness
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Employee Retention, Employee Engagement, Employee Training, Employee Surveys, Employee Performance Management, Diversity and Inclusion, Workforce Planning, Compensation and Benefits, Telecommuting, Workforce Management, Constructive Feedback, Culture Transformation, Virtual Teams, Mental Health Diseases and Disorders
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Apache Hadoop, Data Processing, Distributed Computing, Performance Tuning, Big Data, Software Architecture, Scalability
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Amazon S3, Authorization (Computing), Role-Based Access Control (RBAC), Authentications, Single Sign-On (SSO), User Accounts, Data Security, Multi-Factor Authentication, Encryption
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Open Source Technology, Package and Software Management, Linux, Shell Script, Ubuntu, Unix Shell, Linux Administration, Operating System Administration, Bash (Scripting Language), Unix, Operating Systems, Command-Line Interface, Scripting, Linux Commands, Red Hat Enterprise Linux, File Systems, System Configuration, Database Management, General Networking, Network Security
Build toward a degree
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Git (Version Control System), Version Control, Integrated Development Environments, Eclipse (Software), Application Lifecycle Management, Release Management, Collaborative Software, Code Review
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Virtualization, Virtual Machines, Virtual Networking, Hyper-V, VMware ESX Servers, Cloud Infrastructure, Data Storage Technologies, Networking Hardware, IT Infrastructure, Data Centers, Desktop Support, Endpoint Security, Computer Hardware
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Communication Systems
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Infrastructure, Cloud Computing, Digital Transformation, Public Cloud, Infrastructure As A Service (IaaS), Hybrid Cloud Computing, Platform As A Service (PaaS), Software As A Service, Business Transformation, Technology Strategies, Cloud Security, Multi-Cloud, Private Cloud, Scalability
Beginner · Course · 1 - 3 Months