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 Colorado Boulder
Skills you'll gain: Object Oriented Design, JUnit, Object Oriented Programming (OOP), Software Design Patterns, Java, Unified Modeling Language, Software Design, Java Programming, Software Architecture, Model View Controller, Conceptual Design, Data Modeling
Build toward a degree
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Computer Programming, Programming Principles, Algorithms, Data Structures, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Rutgers the State University of New Jersey
Skills you'll gain: Data Analysis Software, Image Analysis, Scientific Visualization, Spatial Analysis, Science and Research, Physics, Physical Science, General Science and Research, Scientific Methods
Beginner · Course · 1 - 3 Months

Skills you'll gain: Mainframe Computing, COBOL (Programming Language), Software Development Life Cycle, z/OS, Unit Testing, Systems Analysis, Job Control Language (JCL), IBM DB2, Systems Development, Debugging, Pseudocode, Virtualization, Agile Methodology, Software Development, Test Driven Development (TDD), Report Writing, Relational Databases, Software Testing, Technical Support, File I/O
Intermediate · Professional Certificate · 3 - 6 Months
University of Pennsylvania
Skills you'll gain: Financial Reporting, Financial Acumen, Financial Data, Financial Statements, Income Statement, Financial Analysis, Business Reporting, Risk Analysis, Cash Flows, Predictive Analytics, Financial Forecasting, Balance Sheet, Performance Measurement, Business Metrics, Financial Management, Financial Planning, Key Performance Indicators (KPIs), Performance Analysis, Return On Investment, Business Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, AI Workflows, LangChain, Agentic Workflows, Tool Calling, LangGraph, LLM Application, Agentic systems, Generative AI Agents, Responsible AI, Retrieval-Augmented Generation, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Application Design, Prompt Engineering, Large Language Modeling, Context Management, Software Design Patterns, Software Development, Vector Databases
Intermediate · Specialization · 1 - 3 Months

University of Toronto
Skills you'll gain: Bioinformatics, Biostatistics, Molecular Biology, Network Analysis, Database Software, Health Informatics, Data Processing, Data Visualization Software, Scientific Visualization
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: C# (Programming Language), Object Oriented Programming (OOP), Debugging, .NET Framework, Microsoft Visual Studio, Microsoft Copilot, Computer Programming, Integrated Development Environments, Development Environment, Event-Driven Programming
Beginner · Course · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Digital Advertising, Online Advertising, Advertising, Advertising Campaigns, Contextual Advertising, Pay Per Click Advertising, Google Ads, Performance marketing, Marketing, Paid media, Digital Marketing, Data Ethics, Customer Data Management, A/B Testing, Consumer Behaviour
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Cloud Hosting, Cloud Computing, Cloud Platforms, Cloud Services, Cloud Deployment, Cloud Technologies, Cloud Infrastructure, Cloud Computing Architecture, Public Cloud, Infrastructure As A Service (IaaS), Managed Services, Serverless Computing, Virtual Machines, Hybrid Cloud Computing, Software As A Service, Microsoft Azure, Platform As A Service (PaaS), Emerging Technologies, Containerization, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Python Programming, Computer Programming, Programming Principles, Computational Thinking, Scripting Languages, Scripting, Problem Management, Data Structures, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Node.JS, API Gateway, MySQL, Restful API, MongoDB, Microservices, NoSQL, Object-Relational Mapping, Application Programming Interface (API), Database Design, Relational Databases, Unit Testing, SQL, Databases, Data Persistence, Server Side, Application Deployment, Javascript, Software Documentation, Data Modeling
Intermediate · Specialization · 3 - 6 Months