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.

University of London
Skills you'll gain: Key Management, Security Management, Cryptography, Information Systems Security, Cyber Security Policies, Cybersecurity, Cyber Risk, Encryption, Threat Management, Computer Security, Information Assurance, Data Integrity, Incident Response
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Tally Education and Distribution Services Private Limited
Skills you'll gain: Accounts Payable and Receivable, Accounting, Financial Reporting, Bookkeeping, Accounting Software, Budgeting, Accounting and Finance Software, Financial Accounting, Tax Returns, Data Import/Export, Inventory Management System, Tax Management, Order Management, Financial Statements, Tax, General Ledger, Tax Compliance, Billing & Invoicing, Finance, Banking
Beginner · Professional Certificate · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Systems Development, Systems Development Life Cycle, Agile Methodology, Productivity Software, Network Security, Computer Hardware, Hardware Architecture, Computer Systems, Data Security, Risk Management, System Design and Implementation, TCP/IP, Information Technology, Software Development Methodologies, Data Ethics, Cybersecurity, General Networking, Productivity, Safety and Security, Process Design
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Dashboard, Google Sheets, Spreadsheet Software, Pivot Tables And Charts, Data Visualization, Data Visualization Software, Data Presentation, Interactive Data Visualization, Excel Formulas, Data Analysis, Data Manipulation
Beginner · Guided Project · Less Than 2 Hours

The Hong Kong University of Science and Technology
Skills you'll gain: Cooking, Food and Beverage, Nutrition and Diet, Meal Planning And Preparation, Biochemistry, Aesthetics, Color Theory, Chemistry, Physiology, Physics, Psychology
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Ajax, Object Oriented Programming (OOP), Javascript, JSON, Application Programming Interface (API), Scripting, Software Design Patterns, Data Management, Data Structures, Event-Driven Programming, Data Validation, Prototyping, Programming Principles, Web Development, Software Development, Debugging, Software Engineering, Performance Tuning
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Stored Procedure, SQL, Data Presentation, Query Languages, Relational Databases, Database Development, Database Administration, Data Science
Advanced · Guided Project · Less Than 2 Hours

University of California, Irvine
Skills you'll gain: Internet Of Things, Application Programming Interface (API), TCP/IP, Electronics, Control Systems, Embedded Systems, USB, Networking Hardware, Electronic Systems, Hardware Design, Digital Communications, Computer Hardware, Python Programming, Servers
Mixed · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Life Sciences, Molecular Biology, Biotechnology, Precision Medicine, Biology, Physiology, Sustainable Development, Environmental Science, Cell Biology, Microbiology, Biomedical Engineering, Research
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), Data Structures, Python Programming, Programming Principles, User Interface (UI), Computer Programming, Scripting, Software Engineering, Performance Tuning, Scripting Languages, File Management, Web Development, Computational Thinking, Debugging, Software Development, Web Development Tools
Beginner · Specialization · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Network Security, Network Protocols, Network Architecture, TCP/IP, Web Applications, Computer Networking, Encryption, Network Infrastructure, Innovation, Hypertext Markup Language (HTML)
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Simulations, Matlab, Mathematical Modeling, Electronic Systems, Power Electronics, Electrical Engineering, Electrical Systems, Predictive Modeling, Engineering Calculations, Engineering Analysis, Applied Mathematics, Basic Electrical Systems, Analytical Testing, Scripting, Numerical Analysis, Scripting Languages, Laboratory Testing
Intermediate · Course · 1 - 3 Months