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.

Universidad de los Andes
Skills you'll gain: Cryptography, Security Requirements Analysis, Encryption, Data Security, Security Management, Personally Identifiable Information, Threat Management, ISO/IEC 27001, Cyber Security Policies, Information Assurance, General Data Protection Regulation (GDPR), Cybersecurity, Information Privacy, Security Awareness, Threat Detection, Cyber Risk, Human Factors, Authentications, Data Integrity, Authorization (Computing)
Beginner Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Service Management, Information Technology Infrastructure Library, IT Management, Service Design, Organizational Structure, Strategic Partnership, Information Management, Supplier Relationship Management, Supplier Management, Vendor Relationship Management, Process Management, People Development, Organizational Strategy, Continuous Improvement Process
Intermediate Ā· Course Ā· 1 - 4 Weeks

Eindhoven University of Technology
Skills you'll gain: Electronics Engineering, Electronics, Telecommunications, Electronic Systems, Electronic Components, Hardware Design, Communication Systems, Wireless Networks, Electronic Hardware, Simulation and Simulation Software, Simulations, Laboratory Experience
Intermediate Ā· Course Ā· 1 - 3 Months

Ludwig-Maximilians-Universität München (LMU)
Skills you'll gain: Ancient History, Governance, Social Studies, World History, Anthropology, Diplomacy, Sociology, Political Sciences, Economics
Beginner Ā· Course Ā· 1 - 3 Months

Packt
Skills you'll gain: LangChain, Prompt Engineering, LLM Application, LangGraph, Generative AI Agents, Agentic systems, Large Language Modeling, OpenAI, Data Processing, Artificial Intelligence and Machine Learning (AI/ML), Development Environment, Artificial Intelligence, AI Personalization, Responsible AI, Tool Calling, Text Mining, Query Languages, User Interface (UI), Application Development, Natural Language Processing
Intermediate Ā· Specialization Ā· 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Team Performance Management, Systems Thinking, Cognitive flexibility, Team Building, Knowledge Transfer, Innovation, Organizational Development, Organizational Effectiveness, Creative Thinking, Problem Solving, Adaptability, Decision Making, Culture
Mixed Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: MySQL Workbench, Data Validation, SQL, MySQL, Query Languages, Analytical Skills, Relational Databases, Scripting
Intermediate Ā· Guided Project Ā· Less Than 2 Hours

Coursera
Skills you'll gain: Work Breakdown Structure, Project Scoping, Project Estimation, Organizational Structure, Scope Management, Project Coordination, Project Management Software, Project Management, Google Sheets, Standard Operating Procedure
Beginner Ā· Guided Project Ā· Less Than 2 Hours

Scrimba
Skills you'll gain: React.js, UI Components, Front-End Web Development, Web Content Accessibility Guidelines, User Interface (UI), JavaScript Frameworks, Web Development Tools, Event-Driven Programming, Web Frameworks, Functional Design, Cascading Style Sheets (CSS), Application Programming Interface (API)
Intermediate Ā· Course Ā· 3 - 6 Months
Johns Hopkins University
Skills you'll gain: Epidemiology, Dashboard, Business Metrics, Infectious Diseases, Interactive Data Visualization, Public Health, Public Health and Disease Prevention, Program Management, Analysis, Data Analysis Software, Data Collection
Advanced Ā· Course Ā· 1 - 4 Weeks

Universitat Pompeu Fabra of Barcelona
Skills you'll gain: Music, Music Theory, Open Source Technology, Data Analysis Software, Python Programming, NumPy, Numerical Analysis, Computer Programming Tools
Intermediate Ā· Course Ā· 1 - 3 Months

Vanderbilt University
Skills you'll gain: Android Development, Android Studio, Software Testing, Mobile Development, Java, Unit Testing, Application Development, Integration Testing, Software Design, User Interface (UI), Service Management
Mixed Ā· Course Ā· 1 - 4 Weeks