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.

CertNexus
Skills you'll gain: Application Security, Human Factors (Security), Secure Coding, Open Web Application Security Project (OWASP), Vulnerability, Computer Security, Vulnerability Management, Vulnerability Assessments, Data Security, Security Strategy, Security Controls, Cyber Security Strategy, Application Design, Computer Programming, Design, Python Programming, Javascript, Design Strategies, JavaScript Frameworks, Node.JS
Mixed · Course · 1 - 4 Weeks
Northeastern University
Skills you'll gain: Responsible AI, Data Ethics, Social Determinants Of Health, Psychiatry, Mental Health Counseling, Clinical Research Ethics, Health Equity, Mental Health, Artificial Intelligence, Mental Health Diseases and Disorders, Natural Language Processing, Healthcare Ethics, Data Security, Governance, Risk Mitigation, Risk Analysis
Beginner · Course · 1 - 4 Weeks

Interactive Brokers
Skills you'll gain: Derivatives, Equities, Risk Analysis, Financial Trading, International Finance, Investments, Securities Trading, Financial Market, Risk Management, Financial Analysis, Financial Statement Analysis, Market Analysis, Analysis, Capital Markets, Portfolio Risk, Tax, Balance Sheet, Business Metrics, Financial Regulations, Market Data
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Bootstrap (Front-End Framework), Debugging, UI Components, Front-End Web Development, Semantic Web, Hypertext Markup Language (HTML), Browser Compatibility, Web Content Accessibility Guidelines, Web Analytics and SEO, User Interface (UI), Development Testing, Data Validation, Javascript, Animations
Beginner · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Embedded Software, Embedded Systems, Cybersecurity, Automation, Electronics, Sustainable Technologies, Control Systems, Electronic Hardware, Internet Of Things, Software Development, Artificial Intelligence, Real Time Data
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Google Cloud Platform, Authorization (Computing), Authentications, Application Deployment, Generative AI Agents, Large Language Modeling, AI Enablement, Enterprise Architecture, Case Studies, Data Security, Data Integration
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Vibe coding, Microsoft Copilot, GitHub, Code Review, AI Personalization, Prompt Engineering, LLM Application, Integrated Development Environments, Computer Programming Tools, Application Development, Software Development, Web Development
Intermediate · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Productivity Software, Microsoft Office, Excel Formulas, Data Visualization, Computer Literacy, Data Entry
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Detection, Cyber Security Strategy, Cyber Threat Intelligence, Cybersecurity, Interactive Data Visualization, Geospatial Information and Technology, Web Scraping, Digital Forensics, IT Automation, Data Security, Security Awareness, Personally Identifiable Information, Network Security, Scripting, Network Analysis, Open Source Technology, Data Analysis Software, Information Privacy
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Analytics, Customer Analysis, Customer Insights, Analytics, User Feedback, Business Analytics, Analysis, Root Cause Analysis, User Flows, Performance Analysis, Data Presentation, Performance Metric, Key Performance Indicators (KPIs), Statistical Analysis, Data Capture, Taxonomy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Marketing Analytics, Performance Analysis, Business Intelligence, Performance Measurement, Marketing Effectiveness, Web Analytics, Interactive Data Visualization, Marketing Strategies, Business Marketing, Customer Analysis, Data Storytelling, Data Presentation, Data Analysis, Customer Insights, Process Improvement and Optimization, Performance Improvement, Gap Analysis, Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Telehealth, Patient Communication, Clinical Supervision, Healthcare Project Management, Employee Training, Health Care, Verbal Communication Skills
Beginner · Course · 1 - 4 Weeks