Study Java data structures for efficient programming. Learn about arrays, linked lists, stacks, queues, and their implementations in Java.

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 · Course · 3 - 6 Months

Skills you'll gain: Database Management, Databases, Relational Databases, Database Architecture and Administration, Data Security, User Accounts, Secure Coding, SQL, Application Security, Vulnerability Scanning, NoSQL, Role-Based Access Control (RBAC), Encryption, Data Manipulation
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Dashboard, Data Visualization Software, Data Visualization, Business Reporting, SAS (Software), Interactive Data Visualization, Cloud Computing Architecture, Data Storytelling, Business Intelligence, Business Analytics, Data Warehousing, Cloud Computing, Big Data, Machine Learning, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Program Development, Computer Programming, Data Structures, Debugging
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

EIT Digital
Skills you'll gain: Embedded Systems, Embedded Software, Internet Of Things, Operating Systems, Real-Time Operating Systems, Wireless Networks, System Programming, Hardware Architecture, Simulations, C (Programming Language), Network Protocols, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Data Transformation, Extract, Transform, Load, Microsoft Excel, Data Manipulation, Data Cleansing, Data Integration, Data Import/Export, Pivot Tables And Charts, Data Validation, Automation
Beginner · Course · 1 - 3 Months

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Internet Of Things, Wireless Networks, General Networking, Emerging Technologies, Embedded Software, Communication Systems, Electronic Hardware, Embedded Systems, Information Technology Architecture, Computer Programming Tools, Python Programming, Problem Solving
Beginner · Course · 1 - 3 Months

Skills you'll gain: Encryption, Cybersecurity, Cyber Attacks, Threat Management, Security Strategy, Authentications, Threat Detection, Network Security, Authorization (Computing), Cryptography, Data Security, Active Directory, Identity and Access Management, Firewall, Multi-Factor Authentication
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Video Production, Grammar, Peer Review, Writing, Editing, Proofreading, English Language, Creativity
Advanced · Course · 1 - 3 Months

Skills you'll gain: C and C++, Object Oriented Programming (OOP), C++ (Programming Language), Data Validation, Object Oriented Design, Computer Programming, Programming Principles, Computer Science
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Reconciliation, Accounting Records, Bookkeeping, Financial Reporting, Financial Controls, Accounting, Financial Data, Compliance Management, Financial Statements, Internal Communications, Verbal Communication Skills, Internal Controls, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure Synapse Analytics, Microsoft Azure, Data Lakes, Cloud-Based Integration, Microsoft SQL Servers, Transact-SQL, Data Integration, Cloud Storage, File Management
Intermediate · Guided Project · Less Than 2 Hours