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: Open Web Application Security Project (OWASP), Threat Modeling, Application Security, Software Development Life Cycle, DevSecOps, Security Testing, Secure Coding, Security Software, Security Engineering, Cloud Security, Encryption, Vulnerability Scanning, Software Development, Threat Detection, Cryptography, Software Testing, CI/CD, Cloud Platforms, Vulnerability Assessments, Configuration Management
Intermediate · Course · 3 - 6 Months

LearnQuest
Skills you'll gain: Threat Modeling, Network Security, Internet Of Things, Identity and Access Management, Encryption, Security Engineering, Infrastructure Security, Cybersecurity, Security Controls, Threat Management, Cloud Security, Vulnerability Assessments, Threat Detection, Cloud Solutions, Systems Architecture, Cryptography, Information Privacy, Authentications, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Kinesiology, Human Musculoskeletal System, Scientific Methods, Exercise Science, Anatomy, Research, Mechanics, Physiology, Anthropology, Spatial Data Analysis, Biology, Scientific Visualization, Timelines, 3D Assets, Infographics
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Epidemiology, Public Health, Social Determinants Of Health, Biostatistics, Health Equity, Medical Records, Demography, Vital Signs, Health Policy, Health Information Management, Data Collection
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Docker (Software), Integration Testing, Object-Relational Mapping, Secure Coding, Database Design, Solution Architecture, Enterprise Architecture, Systems Integration, Authorization (Computing), Database Development, Data Validation, Transaction Processing
Intermediate · Specialization · 3 - 6 Months

Starweaver
Skills you'll gain: Lean Manufacturing, Manufacturing and Production, Production Process, Production Management, Quality Management, Sustainable Business, Emerging Technologies, Sustainable Technologies, Strategic Leadership, Operational Efficiency, Product Quality (QA/QC), Process Optimization, Internet Of Things, Data-Driven Decision-Making, 3D Assets, Automation, Digital Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Agentic systems, Business Process Automation, Automation, Robotic Process Automation, Generative AI Agents, Responsible AI, Data Ethics, Solution Design, Decision Making, Accountability, Decision Support Systems, Data Security, Scalability
Beginner · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Marketing Automation, Digital Transformation, Marketing Strategies, Marketing Analytics, Marketing, Innovation, Digital Marketing, Data-Driven Decision-Making, Business Transformation, Brand Management, Customer experience strategy (CX), Consumer Behaviour
Beginner · Course · 1 - 4 Weeks
University of Glasgow
Skills you'll gain: Application Deployment, Application Development, Code Review, Software Development, Prototyping, Web Applications, JavaScript Frameworks, Software Engineering, Javascript, Computational Thinking, Version Control, Programming Principles, Program Management
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Responsible AI, Agentic systems, Data Ethics, Generative AI Agents, Artificial Intelligence, Healthcare Ethics, Artificial Intelligence and Machine Learning (AI/ML), AI Product Strategy, Health Technology, AI Personalization, Health Systems, Generative AI, Solution Design, Predictive Modeling, Real Time Data
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Data Validation, Business Continuity, Security Controls, Risk Mitigation, Project Management, Risk Management, System Testing, Technical Management, System Implementation, Data Integrity, Software Development Methodologies
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, Web Development Tools, HTML and CSS, User Interface and User Experience (UI/UX) Design, Front-End Web Development, Javascript, Bootstrap (Front-End Framework), React.js, Back-End Web Development, Semantic Web
Beginner · Course · 1 - 4 Weeks