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.

Coursera
Skills you'll gain: Presentations, Organizational Structure, Data Visualization, Productivity Software, Graphic Design, Organizational Skills, Marketing
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Cryptography, Encryption, Application Development, Security Engineering, Application Security, C++ (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours
Amazon Web Services
Skills you'll gain: Generative AI, Generative AI Agents, Amazon Bedrock, AI Product Strategy, Responsible AI, LLM Application, Application Development, Amazon Web Services, Data Governance, Commercialization, API Design, Cost Management, Artificial Intelligence, Prompt Engineering, Innovation
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Threat Modeling, Information Systems Security, Cybersecurity, Encryption, Proxy Servers, Information Privacy, Servers, Web Servers, Cloud Hosting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Stakeholder Engagement, Stakeholder Management, Project Management Life Cycle, Program Management, Governance, Project Management Office (PMO), Project Closure, Project Management, Benefits Administration, Change Management, Risk Management, Coordination
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Digital Transformation, Business Transformation, Design Thinking, Technology Strategies, Business Process Reengineering, Data Strategy, Growth Strategies, Business Strategies, Market Dynamics, Innovation, Emerging Technologies, Leadership, Operational Efficiency, Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), Unit Testing, Test Case, React.js, Test Driven Development (TDD), Software Testing, Web Development Tools, Ajax, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: HubSpot CRM, Sales Pipelines, Email Marketing, Dashboard, Sales Process, Customer Relationship Management (CRM) Software, Customer Relationship Management, Team Management, Customer Data Management, User Accounts, Marketing
Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: API Gateway, Cloud API, Application Programming Interface (API), Google Cloud Platform, Web Services, Scalability, Server Side, Data Management, Network Analysis
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Microsoft Azure, Internet Of Things, Data Storage Technologies, Cloud Storage, Data Storage, Microsoft Visual Studio, Network Routing
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Algebra, Graphing, Applied Mathematics, Mathematical Modeling, Trigonometry, Probability, Advanced Mathematics, Data Analysis, Logical Reasoning, General Mathematics, Probability Distribution, Mathematical Theory & Analysis, Descriptive Statistics, Arithmetic, Statistics, Engineering Calculations, Calculus, Visualization (Computer Graphics), Geometry, Analytical Skills
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Medical Privacy, Personally Identifiable Information, Information Privacy, Security Awareness, Data Security, Cybersecurity, Security Controls, Health Information Management, Data Sharing, Authorization (Computing), Health Care Procedure and Regulation, Data Access, Disaster Recovery
Beginner · Course · 1 - 3 Months