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.

The Chinese University of Hong Kong
Skills you'll gain: Mathematical Modeling, Operations Research, Debugging, Traffic Flow Optimization, Computational Logic, Business Logic, Algorithms, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PostgreSQL, Database Administration, Google Cloud Platform, Database Management, Cloud Management, Disaster Recovery, Relational Databases
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Project Risk Management, Project Controls, Project Management, IT Infrastructure, Software Development Life Cycle, Information Technology, Project Portfolio Management, Project Scoping, Cloud Infrastructure, Environmental Social And Corporate Governance (ESG), Risk Management, Resource Management, IT Security Architecture, Agile Methodology, Scrum (Software Development), Change Control, Compliance Management, Waterfall Methodology
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Google Gemini, Code Review, Application Deployment, Continuous Deployment, Responsible AI, Software Development Tools, Google Cloud Platform, Generative AI, Prompt Engineering, Debugging, Application Development
Intermediate · Course · 1 - 4 Weeks

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

Microsoft
Skills you'll gain: Generative AI, Generative Adversarial Networks (GANs), System Monitoring, Data Ethics, AI Security, Large Language Modeling, Responsible AI, LLM Application, Artificial Intelligence, AI Enablement, Event Monitoring, Model Evaluation, Automation, Threat Detection, Emerging Technologies, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Universidad Autónoma Metropolitana
Skills you'll gain: Graphing, Geometry, Advanced Mathematics, Visualization (Computer Graphics), General Mathematics, Algebra, Mathematical Modeling, Applied Mathematics
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Node.JS, Server Side, MongoDB, Back-End Web Development, Restful API, Web Applications, Web Development, JavaScript Frameworks, Database Management, Application Programming Interface (API), Software Architecture, NoSQL, Web Servers, Authentications, Application Security, Middleware, Performance Tuning, Authorization (Computing), Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, Apache Hadoop, Data Lakes, Big Data, Linux Commands, File Systems, Data Management, Command-Line Interface, Data Processing, Software Installation, Distributed Computing, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Automation, Agentic Workflows, AI Workflows, Multimodal Prompts, Tool Calling, Calendar Management, Machine Learning Methods, Scheduling, AI Security, Text Mining, Classification Algorithms, JSON
Intermediate · Course · 1 - 3 Months

Yale University
Skills you'll gain: International Relations, World History, European History, Political Sciences, Ancient History, Public Safety and National Security, Social Sciences, Culture, Social Justice, Sociology, Socioeconomics, Economics, Governance
Beginner · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Critical Thinking, Logical Reasoning, Analytical Skills, Generative AI, Empathy, Cognitive flexibility, Research, Lifelong Learning, Data Analysis, Decision Making, Statistical Analysis
Beginner · Course · 1 - 4 Weeks