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.

AI CERTs
Skills you'll gain: User Experience, User Experience Design, User Interface and User Experience (UI/UX) Design, Experience Design, User Centered Design, Design Thinking, Persona (User Experience), UI/UX Research, User Interface (UI), Artificial Intelligence, Design Research, Wireframing, Responsible AI, Prototyping, Design Reviews, User Story, Prompt Patterns, Professional Development, Storyboarding, Presentations
Advanced · Specialization · 3 - 6 Months

University of Geneva
Skills you'll gain: General Science and Research, Scientific Methods, Scientific Visualization, Research, Quantitative Research, Physics, Mathematical Modeling, Simulations, Mechanics, Chemistry
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), File I/O, Python Programming, Data Structures, Computer Programming, Scripting, Software Engineering, Performance Tuning, Web Development, Debugging, Random Forest Algorithm, Web Development Tools
Intermediate · Course · 1 - 4 Weeks

UiPath
Skills you'll gain: Robotic Process Automation, Automation, Data Flow Diagrams (DFDs), Programming Principles, Computational Logic
Beginner · Course · 1 - 3 Months

University of Geneva
Skills you'll gain: Multilingualism, Language Interpretation, Translation, and Studies, Research Methodologies, Language Learning, Cultural Diversity, Culture, Data Collection, Pedagogy, Instructional Strategies
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Front-End Web Development, Frontend Performance, Responsible AI, Data Ethics, Frontend Integration, Generative AI, Code Review, User Interface and User Experience (UI/UX) Design, Prompt Engineering, Software Documentation, UI/UX Strategy, Test Automation, Test Tools, HTML and CSS
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Qualitative Research, Research Design, User Research, Surveys, Focus Group, Research Methodologies, Research, Research and Design, Business Research, Data Collection, Interviewing Skills, Case Studies, Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Development Environment, Software Development Tools, Application Deployment, Transaction Processing, Application Design, Front-End Web Development, Cloud Development, Event-Driven Programming, Development Testing, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Information Architecture, No-Code Development, Organizational Skills, Content Management, Document Management, Productivity, File Management, Collaboration, User Accounts, Databases
Mixed · Course · 1 - 3 Months

Skills you'll gain: Role-Based Access Control (RBAC), Azure Active Directory, Microsoft Azure, Active Directory, Authorization (Computing), Identity and Access Management, User Provisioning, Group Policy, Cloud Management, Cloud Security, User Accounts, Cloud Storage, Data Security, Data Storage Technologies, Encryption
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Prompt Engineering, Computer Vision, Data Wrangling, Artificial Intelligence, Cloud Security, Embeddings, Model Deployment, MLOps (Machine Learning Operations), Data Security, Data Governance, Deep Learning, Encryption, Public Cloud, General Data Protection Regulation (GDPR)
Beginner · Specialization · 1 - 3 Months

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