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: Computer Graphics, 3D Assets, Visualization (Computer Graphics), Computer Graphic Techniques, Application Development, C++ (Programming Language), Software Design, Microsoft Windows, Software Architecture, Application Lifecycle Management, Context Management, System Configuration, Debugging, Mathematical Theory & Analysis, Data Structures, Applied Mathematics, Linear Algebra, Algebra
Beginner · Specialization · 1 - 3 Months

University of Virginia
Skills you'll gain: Marketing Analytics, Marketing Effectiveness, Data-Driven Decision-Making, Marketing Strategies, Brand Management, Marketing, Regression Analysis, Analytics, Customer Retention, Consumer Behaviour, Return On Investment, Statistical Analysis, A/B Testing
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Platform As A Service (PaaS), Containerization, Serverless Computing, Cloud Platforms, Docker (Software), Cloud Management, Cloud Computing Architecture, Cloud Computing, Information Management, Cloud Infrastructure, Cloud Security, Cloud Deployment, Application Deployment, Model Deployment, DevOps, Amazon Web Services, Data Management, Database Management Systems, Microservices, Machine Learning
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Secure Coding, Web Servers, Server Side, Hypertext Markup Language (HTML), Go (Programming Language), Web Applications, Back-End Web Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Java Programming, Test Automation, JUnit, Object Oriented Programming (OOP), Integration Testing, Browser Compatibility
Intermediate · Course · 3 - 6 Months

LearnQuest
Skills you'll gain: Blockchain, Cryptography, Network Security, Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Cybersecurity, Vulnerability Assessments, Transaction Processing
Advanced · Course · 1 - 3 Months

Sapienza University of Rome
Skills you'll gain: Financial Policy, Financial Systems, Microsoft Excel, Financial Data, Governmental Accounting, Corporate Finance, Financial Accounting, International Finance, Data Analysis, Economics, Fiscal Management, Policty Analysis, Research, and Development, Financial Management, Quantitative Research, Public Administration, Behavioral Economics, Balance Sheet, International Relations, Data Import/Export
Intermediate · Course · 1 - 3 Months

Skills you'll gain: MLOps (Machine Learning Operations), Data Preprocessing, AWS SageMaker, Model Evaluation, Model Deployment, Artificial Intelligence and Machine Learning (AI/ML), Amazon Web Services, Predictive Modeling, Machine Learning, Supervised Learning, Data Transformation, Unsupervised Learning, Classification Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Infrastructure As A Service (IaaS), Azure Active Directory, Microsoft Azure, Virtual Machines, .NET Framework, Kubernetes, Docker (Software), Cloud Development, Cloud Applications, Containerization, Microsoft SQL Servers, Application Deployment, Platform As A Service (PaaS), Microsoft Visual Studio, NoSQL, Serverless Computing, Cloud Storage, Authentications, Authorization (Computing), Scalability
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Flask (Web Framework), User Accounts, Web Development, Web Applications, HTML and CSS, Authentications, Cascading Style Sheets (CSS), Database Development, Database Management
Intermediate · Guided Project · Less Than 2 Hours

AI CERTs
Skills you'll gain: Nurse Education, Health Informatics, Clinical Data Management, Generative AI Agents, Nursing Process, Nursing, Clinical Informatics, Generative AI, Clinical Documentation, Healthcare Ethics, Nursing Practices, Responsible AI, Health Care, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Healthcare Industry Knowledge, Basic Patient Care, Business Acumen, Physiology, Business
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Business Transformation, Responsible AI, Business Intelligence, Data Quality, Machine Learning, Natural Language Processing, Model Deployment, Applied Machine Learning, Cloud API, Data Analysis, Image Analysis
Beginner · Course · 1 - 4 Weeks