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: Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Cybersecurity, Threat Detection, Exploitation techniques, Data Encryption Standard, Threat Modeling, Security Awareness, Cryptography, Cyber Attacks, Data Security, Databases, Malware Protection, Penetration Testing, AI Security, Vulnerability Assessments, Application Security, Security Engineering, Artificial Intelligence, SQL
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Vue.JS, Application Deployment, JavaScript Frameworks, Application Design, User Interface (UI), Frontend Performance, Web Analytics and SEO, Android Development, Server Side, Data Management
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Market Research, Data-Driven Decision-Making, Consumer Behaviour, Customer Analysis, Marketing Psychology, Market Analysis, Marketing Planning, Behavioral Economics, Customer Insights, Strategic Marketing, Marketing Strategies, Technology Strategies, Product Lifecycle Management, Business-To-Consumer, B2B Sales, Digital Marketing
Build toward a degree
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Blockchain, Risk Management, Enterprise Risk Management (ERM), Risk Analysis, Business Risk Management, Governance Risk Management and Compliance, Legal Risk, Interoperability, IT Security Architecture, Cyber Risk, Network Architecture, Systems Architecture, Data Architecture, Governance, Solution Architecture, Information Technology Architecture, Application Security, Cryptography, Data Storage, Data Storage Technologies
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cryptography, Network Security, OSI Models, Public Key Infrastructure, Network Protocols, Encryption, Remote Access Systems, Firewall, Brute-force attacks, Emerging Technologies, TCP/IP, Wireless Networks, Authentications
Advanced · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Wrangling, Unstructured Data, Query Languages, Data Manipulation, Data Import/Export, Big Data, SQL, Database Administration
Beginner · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Generative AI, Large Language Modeling, Responsible AI, Unstructured Data, Artificial Intelligence and Machine Learning (AI/ML), AI Security, Deep Learning, Data Ethics, Machine Learning, Business Solutions, Data Access, Data Quality
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Real Time Data, Dataflow, Data Pipelines, Command-Line Interface, Google Cloud Platform, Databases, Data Processing, Big Data
Beginner · Project · Less Than 2 Hours

Skills you'll gain: AWS Identity and Access Management (IAM), Linux Administration, Amazon Elastic Compute Cloud, Linux Servers, Cloud Deployment, Cloud Infrastructure, Amazon Web Services, Cloud Hosting, Cloud Computing, Front-End Web Development, Cloud Management, Linux, Ubuntu, Operating System Administration, Application Deployment, React.js, Event-Driven Programming, Javascript, User Interface (UI), Apache
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Integrity, Data Management, Personally Identifiable Information, Data Loss Prevention, Cloud Storage, Data Encryption Standard, Authorization (Computing)
Advanced · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Bioinformatics, Informatics, Network Analysis, Medical Science and Research, Molecular Biology, Infectious Diseases, Biochemistry, Data Mining, Scientific Visualization, Data Analysis Software, Pharmacology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, System Programming, Secure Coding, C++ (Programming Language), C (Programming Language), Debugging, Interoperability, File I/O, Data Validation
Mixed · Course · 1 - 4 Weeks