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.

LearnQuest
Skills you'll gain: Visual Basic (Programming Language), Database Management, System Software, Databases, Relational Databases, Algorithms, Computer Architecture, Network Security, Computer Hardware, SQL, Computer Science, Computer Networking, Computer Programming, Network Protocols, Programming Principles, Software Development, Automation, Analysis, Cloud Computing, Debugging
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, TCP/IP, Network Architecture, Network Protocols, General Networking, Network Routing, Network Routers, Computer Networking, Network Infrastructure, Routing Protocols, Network Model, Cryptography, Web Applications
Build toward a degree
Intermediate · Course · 1 - 3 Months
Kennesaw State University
Skills you'll gain: Customer Retention, Customer Insights, Customer experience strategy (CX), Customer Relationship Management, Value Propositions, Innovation, Organizational Change, Cost Accounting, Organizational Structure, Business Transformation, Strategic Marketing, Consumer Behaviour
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Lead Generation, Marketing Automation, HubSpot CRM, Prompt Engineering, Email Automation, ChatGPT, Dashboard, MarTech, Marketing Strategies, Marketing Analytics, Customer Relationship Management (CRM) Software, Customer Engagement, Data-Driven Decision-Making
Intermediate · Guided Project · Less Than 2 Hours

Amazon Web Services
Skills you'll gain: Retrieval-Augmented Generation, Embeddings, Vector Databases, Amazon Web Services, Agentic systems, Performance Tuning, Transfer Learning, Data Preprocessing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Anomaly Detection, MLOps (Machine Learning Operations), Event Monitoring, Continuous Monitoring, System Monitoring, Unsupervised Learning, Threat Detection, Statistical Analysis, Exploratory Data Analysis, Trend Analysis, Real Time Data, Statistical Methods, Performance Tuning, Time Series Analysis and Forecasting
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: JSON, Restful API, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Event-Driven Programming, HTML and CSS, Javascript, Back-End Web Development, Frontend Integration, Web Development, Web Services, Real Time Data, Web Development Tools, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
Intermediate · Specialization · 1 - 4 Weeks

EC-Council
Skills you'll gain: Cryptography, Encryption, Systems Development Life Cycle, Human Factors (Security), Security Awareness, Cybersecurity, Cyber Attacks, Cyber Security Policies, Threat Detection, ISO/IEC 27001, Security Controls, Computer Security, Network Security, Risk Management Framework, Information Systems, General Data Protection Regulation (GDPR)
Beginner · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Business Writing, Email Automation, Strategic Thinking, Artificial Intelligence, AI Security, AI Workflows, Copywriting, Business Risk Management, AI Personalization, Data-Driven Decision-Making, Marketing Communications, Marketing Automation, Content Strategy, Engineering Documentation, Ethical Standards And Conduct, Research Reports, Business Communication, Information Privacy, Security Awareness
Beginner · Course · 1 - 3 Months

Skills you'll gain: File Systems, Mac OS, User Accounts, File Management, User Provisioning, Data Security, Operating System Administration, Software Installation, Unix, System Configuration, Operating Systems, Unix Commands, Data Storage, Encryption, Hardware Troubleshooting
Beginner · Course · 1 - 4 Weeks

International Institute of Information Technology Bangalore
Skills you'll gain: File I/O, C (Programming Language), Programming Principles, Data Structures, Computer Programming, Algorithms, Program Development, Data Storage, Integrated Development Environments, Debugging, Problem Solving
Beginner · Course · 1 - 3 Months
Xi'an Jiaotong University
Skills you'll gain: Microsoft SQL Servers, ASP.NET, System Testing, SQL, C# (Programming Language), Database Design, Object Oriented Programming (OOP), Relational Databases, .NET Framework, Operating Systems, User Interface (UI) Design, Database Management, Computer Systems, Debugging, Databases, Microsoft Visual Studio, Web Development, Programming Principles, UI Components, Computer Programming
Beginner · Specialization · 3 - 6 Months