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.

Universidad de los Andes
Skills you'll gain: File I/O, Data Visualization Software, Programming Principles, Computational Thinking, Matplotlib, Python Programming, NumPy, Algorithms, Computer Programming, Pandas (Python Package), Debugging, Data Manipulation, Integrated Development Environments, Data Structures, Data Analysis, Scripting
Beginner Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: User Story, Prompt Engineering, No-Code Development, User Feedback, Technical Communication, Application Deployment, AI Security, Performance Tuning, Data Wrangling, Version Control, Business Process Automation, API Testing, DevSecOps, Site Reliability Engineering, Integration Testing, Application Security, Application Programming Interface (API), Agile Methodology, LLM Application, Data Integration
Intermediate Ā· Specialization Ā· 3 - 6 Months

Skills you'll gain: Feature Engineering, Data Ethics, Unsupervised Learning, Dimensionality Reduction, Responsible AI, Text Mining, Data Preprocessing, Data Transformation, MLOps (Machine Learning Operations), Anomaly Detection, Exploratory Data Analysis, Machine Learning Methods, Machine Learning, Model Evaluation, Natural Language Processing, Data Science, Quality Assurance, Data Pipelines, Data Visualization, Python Programming
Advanced Ā· Course Ā· 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Statistical Inference, Regression Analysis, R Programming, Statistical Analysis, Statistical Modeling, R (Software), Data Science, Logistic Regression, Data Analysis, Probability & Statistics, Linear Algebra
Build toward a degree
Intermediate Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: AI Orchestration, AI Workflows, LangGraph, Agentic systems, OpenAI API, Enterprise Application Management, Tool Calling, OAuth, Generative AI Agents, Middleware, Real Time Data, Interoperability, API Gateway, Agentic Workflows, Software Development Tools, LLM Application, Prompt Engineering, Retrieval-Augmented Generation, Application Programming Interface (API), Scalability
Intermediate Ā· Professional Certificate Ā· 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Cleansing, Rmarkdown, Data Presentation, Data Visualization, Analytical Skills, Tableau Software, Dashboard, Stakeholder Communications, Data Literacy, Data Integrity, Case Studies, Data Analysis, Spreadsheet Software, Data Ethics, Ggplot2, Data Visualization Software, Data-Driven Decision-Making, Data Validation, Database Management
Beginner Ā· Professional Certificate Ā· 3 - 6 Months

University of Huddersfield
Skills you'll gain: Applied Mathematics, Analytical Skills, Calculus, Engineering Calculations, Advanced Mathematics, Data-Driven Decision-Making, Derivatives
Intermediate Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Brand Awareness, Performance marketing, Digital Advertising, Marketing Effectiveness, Online Advertising, Advertising Campaigns, Marketing Psychology, Marketing Analytics, Advertising, Brand Management, Branding, Performance Analysis, Customer Insights, Data-Driven Decision-Making, Survey Creation, Performance Measurement, Business Metrics, Target Audience, Analysis
Beginner Ā· Course Ā· 1 - 4 Weeks

SkillUp
Skills you'll gain: Team Motivation, Team Leadership, Team Management, Benchmarking, Performance Measurement, Change Management, Organizational Change, Six Sigma Methodology, Team Building, Cross-Functional Team Leadership, Leadership and Management, Lean Six Sigma, Process Improvement, Business Metrics, Collaboration, Project Management, Organizational Structure, Leadership, Key Performance Indicators (KPIs), Delegation Skills
Intermediate Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Software Design Patterns, Node.JS, Event-Driven Programming, Object Oriented Design, Software Design, Software Architecture, Javascript, Object Oriented Programming (OOP), Systems Design, Maintainability, Middleware, Performance Tuning, Real-Time Operating Systems, Scalability, Debugging
Intermediate Ā· Course Ā· 1 - 3 Months

Skills you'll gain: Cost Management, Financial Management, Resource Allocation, Resource Utilization, Cost Estimation, Predictive Modeling, Forecasting, Capacity Management, Operating Cost, Financial Modeling, Data-Driven Decision-Making, Cost Benefit Analysis, Gap Analysis, Performance Analysis
Intermediate Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Model Evaluation, LLM Application, Large Language Modeling, Prompt Engineering, Hugging Face, Transfer Learning, Context Management
Beginner Ā· Course Ā· 1 - 3 Months