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.

Skills you'll gain: Object Oriented Programming (OOP), C# (Programming Language), Object Oriented Design, Application Development, Data Structures, Linux
Intermediate · Guided Project · Less Than 2 Hours

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

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, AI Orchestration, Database Development, SQL, LLM Application, Query Languages, OpenAI API, Microsoft Azure, Tool Calling, OpenAI, Natural Language Processing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: API Testing, React.js, Authentications, Containerization, OAuth, Cloud Deployment, Back-End Web Development, PostgreSQL, API Gateway, Software Documentation, Amazon Web Services, Cloud Applications, Event-Driven Programming, Front-End Web Development, Python Programming, Database Management, Restful API, SQL, API Design, Databases
Intermediate · Specialization · 3 - 6 Months

Edureka
Beginner · Course · 1 - 4 Weeks
Macquarie University
Skills you'll gain: Microsoft Excel, Dashboard, Excel Formulas, Spreadsheet Software, Data Visualization, Consolidation, Automation, Data Analysis Software, Productivity Software, Data Management, Data Cleansing
Intermediate · Course · 1 - 3 Months

Xi'an Jiaotong University
Skills you'll gain: Operating Systems, Computer Systems, Computer Networking, General Networking, Microsoft Office, Computer Architecture, Computer Hardware, Network Protocols, Information Technology, Computing Platforms, Computational Logic, Data Storage, File Management
Mixed · Course · 1 - 3 Months

Oracle
Skills you'll gain: Cloud Applications, Oracle Cloud, Application Development, Database Application, Oracle Databases, Web Applications, Authentications, Application Security, Authorization (Computing), UI Components, Data Import/Export
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Network Security, IT Security Architecture, OSI Models, TCP/IP, Threat Modeling, Computer Networking, Network Protocols, Cybersecurity, Application Security, Network Architecture, Cryptographic Protocols, Vulnerability Assessments, Network Infrastructure, Threat Detection
Beginner · Course · 1 - 3 Months

Skills you'll gain: Stored Procedure, Microsoft SQL Servers, Transact-SQL, SQL, Database Development, Procedure Development, Database Management Systems, Query Languages
Intermediate · Guided Project · Less Than 2 Hours