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: Email Automation, Automation, Application Programming Interface (API), Scripting, Python Programming, Web Scraping, Data Import/Export, Data Manipulation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Project Risk Management, Dependency Analysis, Case Studies, Project Schedules, Scheduling, Risk Mitigation, Risk Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Version Control, Git (Version Control System), Selenium (Software), Test Automation, Jenkins, Test Script Development, Continuous Integration, Test Execution Engine, Test Data, Test Case, Software Testing, Software Design Patterns, Command-Line Interface, File I/O
Advanced · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Large Language Modeling, AI Security, Network Security, Responsible AI, Cybersecurity, Infrastructure Security, Information Systems Security, Threat Modeling, Firewall, Network Protocols, Data Ethics, Internet Of Things, Artificial Intelligence
Intermediate · Course · 1 - 3 Months

Skills you'll gain: IT Security Architecture, Threat Modeling, Enterprise Architecture, Cybersecurity, Application Security, Threat Management, Network Security, Systems Architecture, Identity and Access Management, Solution Architecture, Endpoint Security, Data Security, Risk Analysis, Remote Access Systems, Case Studies, Risk Management
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Python Programming, Data Pipelines, Scripting, Computer Programming, Data-oriented programming, Scripting Languages, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: z/OS, Operating Systems, System Programming, Mainframe Computing, System Monitoring, Performance Tuning, System Configuration, OS Process Management, Data Storage, Systems Architecture, Capacity Management, Problem Management, Disaster Recovery, Computer Architecture, Data Access
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React.js, Web Development Tools, JavaScript Frameworks, Front-End Web Development, Javascript, Web Development, Software Engineering
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Request for Proposal, Strategic Sourcing, Supplier Management, Supplier Performance Management, Supplier Relationship Management, Procurement, Market Intelligence, Market Research, Competitive Intelligence, Data-Driven Decision-Making, Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, System Programming, Secure Coding, C++ (Programming Language), C (Programming Language), Debugging, Interoperability, File I/O, Data Validation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Human Resource Strategy, Human Resources, Responsible AI, AI Enablement, Miro AI, Data Ethics, Workflow Management, Employee Retention, Agentic Workflows, Talent Management, Succession Planning, Talent Acquisition, Talent Recruitment, Personally Identifiable Information, Automation, AI Personalization, Artificial Intelligence and Machine Learning (AI/ML), Digital Transformation, Performance Analysis
Beginner · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Leadership, Decision Making, Team Performance Management, Industrial and Organizational Psychology, Organizational Structure, Organizational Effectiveness, Team Management, Sociology, Team Motivation, Coordination
Beginner · Course · 1 - 4 Weeks