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: File I/O, Unified Modeling Language, Visual Basic (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Data Modeling, Microsoft Development Tools, Computer Programming, .NET Framework, Software Engineering, Data Structures
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Azure, Cloud Security, Infrastructure Security, Kubernetes, Network Security, Security Engineering, Firewall, Endpoint Security, Identity and Access Management, Security Strategy, Role-Based Access Control (RBAC), Virtual Machines, Containerization, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Deployment, Virtual Private Networks (VPN), Encryption, Virtual Networking
Intermediate · Course · 1 - 4 Weeks

University of Copenhagen
Skills you'll gain: Precision Medicine, Patient-centered Care, Health Informatics, Healthcare Ethics, Health Policy, Risk Analysis, Data-Driven Decision-Making, Medical Science and Research, Healthcare Industry Knowledge, Health Care, Clinical Research, Molecular Biology, Information Privacy, Innovation
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Ethics, Security Awareness, Healthcare Ethics, Responsible AI, Ethical Standards And Conduct, Computer Security Awareness Training, Cybersecurity, Diversity Awareness, Generative AI, Artificial Intelligence, Information Technology, Information Privacy, Diversity Equity and Inclusion Initiatives, Social Impact, Media and Communications, Automation, Robotics, Cultural Diversity, Personally Identifiable Information, Emerging Technologies
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Project Schedules, Project Management Software, Workflow Management, Dashboard, Real Time Data, Timelines, Kanban Principles, Database Software, Project Management, Scheduling, Data Sharing, Leadership, Problem Solving
Beginner · Guided Project · Less Than 2 Hours

H2O.ai
Skills you'll gain: Retrieval-Augmented Generation, Large Language Modeling, AI Enablement, Generative AI, Web Applications, Artificial Intelligence, Data Processing, Prompt Engineering, Agentic systems, Application Development, Application Programming Interface (API), Automation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Spring Boot, React.js, Object-Relational Mapping, Restful API, YAML, Data Access, Web Applications, Databases, Application Performance Management, Full-Stack Web Development, Configuration Management, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Multi-Factor Authentication, Data Security, Security Strategy, Azure Active Directory, Database Architecture and Administration, Virtual Machines, Microsoft Azure, Cloud Security, Security Controls, Identity and Access Management, Network Security, Role-Based Access Control (RBAC), Encryption, Threat Detection
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Quality Improvement, Quality Management, Administration, Business Management, Business Administration, Organizational Effectiveness, Leadership and Management, Operational Efficiency, Organizational Structure, Production Management, Systems Thinking, Lean Manufacturing, Knowledge Transfer
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Logo Design, Video Production, Graphic and Visual Design, Content Creation, Graphic Design, Content Marketing, Social Media Marketing, Social Media, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Software Design Patterns, Unified Modeling Language, Java Programming, Software Architecture, Application Design, User Interface and User Experience (UI/UX) Design, Software Engineering, API Design, Software Development
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Responsible AI, Data Ethics, Health Care Procedure and Regulation, Healthcare Industry Knowledge, Medical Privacy, Artificial Intelligence, Clinical Documentation, LLM Application, Healthcare Ethics, Health Informatics, Treatment Planning, Diagnostic Radiology, Medical Imaging, Natural Language Processing
Beginner · Course · 1 - 4 Weeks