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: Supervised Learning, Data Preprocessing, Machine Learning, Machine Learning Algorithms, Time Series Analysis and Forecasting, Data Quality, Unsupervised Learning, Data Cleansing, Data Analysis, Feature Engineering, Data Transformation, Data Manipulation, Model Evaluation, Exploratory Data Analysis, Classification Algorithms, Regression Analysis
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Cloud Deployment, Virtualization, Cloud Computing Architecture, Cloud Computing, Public Cloud, Network Protocols, TCP/IP, Amazon Web Services, File Transfer Protocol (FTP), General Networking, Virtual Machines, Infrastructure As A Service (IaaS), Software As A Service, Platform As A Service (PaaS), Servers, Private Cloud, Hybrid Cloud Computing
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Algebra, Advanced Mathematics, General Mathematics, Applied Mathematics, Analytical Skills, Mathematical Modeling, Geometry, Graphing
Beginner · Course · 1 - 3 Months

Saïd Business School, University of Oxford
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, Agentic systems, OpenAI, ChatGPT, AI Workflows, AI Product Strategy, Large Language Modeling, Artificial Intelligence, Model Evaluation, Responsible AI, AI Security, Decision Making
Beginner · Course · 1 - 3 Months

Skills you'll gain: MongoDB, Restful API, API Design, NoSQL, Database Development, Node.JS, Query Languages, Database Management, Distributed Computing, Database Design, Database Architecture and Administration, Performance Tuning, Data Architecture, Scalability, Data Modeling, Data Validation
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Policy, Financial Systems, Banking, Financial Market, Financial Regulation, Market Liquidity, Economics, Economics, Policy, and Social Studies, Market Dynamics, Crisis Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

The Museum of Modern Art
Skills you'll gain: Storytelling, Public History, Community Development, Social Justice, Creativity, Art History, Design, Cultural Diversity, Culture
Beginner · Course · 1 - 3 Months

Skills you'll gain: Timelines, Project Schedules, Microsoft Excel, Data Visualization, Dashboard, Scheduling, Project Management Software
Beginner · Guided Project · Less Than 2 Hours

Nanjing University
Skills you'll gain: Computer Systems, Programming Principles, System Programming, Computer Programming, Computer Architecture, C (Programming Language), Hardware Architecture, Operating Systems, Data Structures, Program Development, File Systems, Software Architecture
Mixed · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Ansible, YAML, Network Architecture, Network Administration, Infrastructure as Code (IaC), General Networking, Automation, Technical Documentation, Configuration Management, JSON, Python Programming
Intermediate · Course · 1 - 4 Weeks

Universidad de Chile
Skills you'll gain: Teaching, Higher Education, Accountability, Education and Training, Program Standards, Pedagogy, Classroom Management, Program Evaluation, Instructional Strategies, Academic Advising, Student Services, Research, Policy Development, Data Collection, Collaboration
Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Amazon Bedrock, Prompt Engineering, LLM Application, Application Development, Artificial Intelligence, AI Orchestration, AI Enablement, AI Workflows, Network Routing
Beginner · Course · 1 - 4 Weeks