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.

Scrimba
Skills you'll gain: SQL, Relational Databases, Query Languages, Databases, Stored Procedure, Data Manipulation, Database Management Systems, Data Access, Data Maintenance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Code Review, AI Security, Software Development Tools, Software Documentation, Collaborative Software, DevOps, AI Workflows, Generative AI Agents, Maintainability, Integrated Development Environments, CI/CD, Generative AI, Test Automation, Software Development, Software Technical Review, Software Architecture, Software Engineering, Artificial Intelligence and Machine Learning (AI/ML), AI Personalization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Service Level Agreement, Inventory Management, Supplier Management, Root Cause Analysis, Legal Risk, Variance Analysis, Process Improvement, Supplier Performance Management, Contract Review, Supplier Quality Management, Inventory Control Systems, Risk Mitigation, Data Entry, Risk Management, Data Analysis, Contract Management, Continuous Improvement Process, Quality Control, Cost Reduction
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Responsible AI, AWS SageMaker, Machine Learning, Applied Machine Learning, Amazon Web Services, Convolutional Neural Networks, Supervised Learning, Model Deployment, Natural Language Processing, Ethical Standards And Conduct, Unsupervised Learning, Reinforcement Learning
Beginner · Course · 1 - 3 Months

Alfaisal University | KLD
Skills you'll gain: Data Entry, Data Import/Export, Microsoft Office, Spreadsheet Software
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Keyword Research, Web Analytics and SEO, Blogs, Search Engine Optimization, Copywriting, Google Analytics, Google Gemini, Search Engine Marketing, Web Content, Anthropic Claude, Large Language Modeling, Generative AI, Web Analytics, ChatGPT, Prompt Engineering, Content Creation, Sales Strategy, Marketing, Digital Marketing, Marketing Planning
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Agile Methodology, Scrum (Software Development), Embedded Software, Agile Software Development, Embedded Systems, Software Testing, Development Testing, Software Development Methodologies, Git (Version Control System), Docker (Software), Containerization, Linux, System Programming, Operating Systems, File Systems, Internet Of Things, Build Tools
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Diagram Design, Data Import/Export, Collaborative Software, Technical Documentation, User Accounts
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Scalability, CI/CD, Continuous Deployment, Application Deployment, DevOps, Artificial Intelligence and Machine Learning (AI/ML), Model Evaluation, Continuous Integration, Performance Measurement, Business Metrics, Process Optimization, Verification And Validation, Automation, Key Performance Indicators (KPIs), Performance Analysis, Data-Driven Decision-Making
Advanced · Course · 1 - 4 Weeks

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Leadership, Collaboration, Physical Stamina, Performance Analysis, Sports Medicine, Nutrition and Diet, Athletic Training, Exercise Science, Injury Prevention, Coaching, Nutrition Education, Innovation, Automation, AI Personalization, Teamwork, Performance Reporting, Technology Solutions, Data Management, Health Technology, Communication
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Data, Test Tools, Browser Compatibility, Test Case, Java, Automation, Cascading Style Sheets (CSS), Debugging
Intermediate · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Docker (Software), Containerization, DevOps, Linux Commands, Cloud-Native Computing, Command-Line Interface, Virtual Networking, Data Storage, Software Installation
Beginner · Course · 1 - 3 Months