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.

Association of International Certified Professional Accountants
Skills you'll gain: Key Management, Blockchain, Digital Assets, FinTech, Emerging Technologies, Cryptography, Encryption, Distributed Computing, Transaction Processing, Data Security
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Requirements Management, Design Reviews, Systems Engineering, Engineering Management, User Requirements Documents, Requirements Analysis, Systems Design, Business Requirements, Software Engineering, Systems Integration, Leadership, Engineering Design Process, Performance Measurement, Manufacturing and Production, Coordination, Data-Driven Decision-Making, Decision Making
Build toward a degree
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: React Native, Mobile Development, Responsive Web Design, Docker (Software), Azure DevOps, Restful API, Cross Platform Development, Microservices, Containerization, User Interface and User Experience (UI/UX) Design, DevOps, UI Components, ASP.NET, iOS Development, CI/CD, User Interface (UI) Design, .NET Framework, Unit Testing, Software Testing, Version Control
Intermediate · Specialization · 1 - 3 Months

University of Leeds
Skills you'll gain: Robotics, Automation, Artificial Intelligence, Manufacturing and Production, Engineering, Data Ethics, Electrical Engineering, Computer Vision, Control Systems, Biomedical Engineering, Computer Programming
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: AI Security, Responsible AI, DevSecOps, Cryptography, Network Security, Secure Coding, Application Security, Encryption, IT Security Architecture, Advanced Encryption Standard (AES), Cybersecurity, Cyber Security Strategy, Key Management, CI/CD, Cloud Security, Software Development, Security Awareness, Artificial Intelligence and Machine Learning (AI/ML), Security Controls, Software Architecture
Beginner · Specialization · 3 - 6 Months

KodeKloud
Skills you'll gain: Amazon Web Services, Public Cloud, Cloud Computing, Amazon Elastic Compute Cloud, AWS Identity and Access Management (IAM), Cloud Management, Cloud Solutions, Cloud Platforms, Cloud Services, Cloud Infrastructure, Cloud Security, Amazon S3, Cloud Storage, Amazon CloudWatch, Amazon DynamoDB, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Design, Relational Databases, Database Management, Database Development, Database Systems, SQL, Data Integrity, Data Modeling, Data Management, Data Structures
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Recurrent Neural Networks (RNNs), PyTorch (Machine Learning Library), Convolutional Neural Networks, Tensorflow, Transfer Learning, Natural Language Processing, Embeddings, Image Analysis, Deep Learning, Computer Vision, Time Series Analysis and Forecasting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Data Persistence, Scripting, Scripting Languages, Data Storage, Web Development, Functional Design, Data Structures, Business Logic, Game Design, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Peripheral Devices, USB, Operating Systems, Computer Hardware, Data Storage Technologies, Hardware Troubleshooting, Electrical Safety, Technical Communication, Linux, File Systems, Microsoft Windows, Information Privacy
Beginner · Course · 1 - 3 Months

Skills you'll gain: LangChain, Prompt Engineering, Large Language Modeling, Retrieval-Augmented Generation, Vector Databases, Tool Calling, Embeddings, OpenAI API, ChatGPT, Google Gemini, Agentic Workflows
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Security Assessment, Cybersecurity, Security Testing, Computer Security Incident Management, Incident Response, Security Controls, Network Security, Encryption
Intermediate · Course · 1 - 4 Weeks