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: Node.JS, Web Development, HTML and CSS, Front-End Web Development, Web Servers, Cascading Style Sheets (CSS), Web Applications, Server Side, Javascript, Middleware, Back-End Web Development
Intermediate · Guided Project · Less Than 2 Hours

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Growth Mindedness, Communication, Positivity, Personal Development, Optimism, Self-Awareness, Collaboration, Resilience, Emotional Intelligence, Adaptability, Problem Solving
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: React.js, UI Components, JavaScript Frameworks, Web Development Tools, Maintainability, Javascript, Programming Principles
Advanced · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Surveys, Data Collection, Epidemiology, Public Health, Health Equity, Health Informatics, Health Policy, Public Health and Disease Prevention, Health Disparities, Community Health, Health Care, Research Methodologies, Health Information Management, Data Quality, Chronic Diseases, Health Technology
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Blockchain, Secure Coding, Application Security, Legal Technology, Vulnerability Assessments, Program Development, Software Development Tools, Development Testing, Debugging, Application Deployment, Emerging Technologies, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Prompt Engineering, Amazon Bedrock, AWS SageMaker, Generative AI, Multimodal Prompts, Artificial Intelligence and Machine Learning (AI/ML), Large Language Modeling, Applied Machine Learning, Scikit Learn (Machine Learning Library), Image Analysis, Real Time Data
Beginner · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Health Technology, Health Assessment, Digital Transformation, Health Systems, Public Health, Emergency Response, Community Mental Health Services, Health Care Procedure and Regulation, Policy Development, Health Policy, Mental Health, Public Administration, Data Collection
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Access, Command-Line Interface, Big Data, Google Cloud Platform, Query Languages, Data Import/Export
Beginner · Project · Less Than 2 Hours

Pontificia Universidad Católica del Perú
Skills you'll gain: Marketing Planning, Marketing Automation, Marketing Strategies, AI Personalization, Generative AI Agents, Content Creation, Strategic Marketing, Digital Marketing, Marketing Analytics, Digital Content, Web Content, Social Media Content, Video Production
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Audit Planning, Enterprise Architecture, Compliance Management, Regulatory Compliance, Quality Assurance, Enterprise Risk Management (ERM), Quality Management
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Bioinformatics, Informatics, Network Analysis, Medical Science and Research, Molecular Biology, Infectious Diseases, Biochemistry, Data Mining, Scientific Visualization, Data Analysis Software, Pharmacology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, OpenAI API, LLM Application, OpenAI, Model Context Protocol, Generative AI Agents, Agentic systems, Tool Calling, Prompt Engineering, ChatGPT, Artificial Intelligence, Application Programming Interface (API), User Interface (UI), Context Management, Large Language Modeling, Python Programming, Development Environment, Application Deployment, Debugging
Intermediate · Course · 1 - 4 Weeks