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: Model Evaluation, Data Preprocessing, Tensorflow, Applied Machine Learning, Feature Engineering, Data Cleansing, Classification And Regression Tree (CART), Machine Learning, Random Forest Algorithm, Pandas (Python Package), Data Analysis, Exploratory Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Estimation, Probability, Model Evaluation, Engineering Calculations, Simulation and Simulation Software, Numerical Analysis, Mathematical Modeling, Performance Tuning, Applied Mathematics, Computational Thinking, Control Systems
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Windows Servers, Authorization (Computing), Microsoft Windows, Authentications, Operating System Administration, User Accounts, Group Policy, Microsoft Servers, Security Controls, Enterprise Security, Active Directory, Identity and Access Management, Servers, Computer Security, System Configuration, Encryption
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Brute-force attacks, Encryption, Information Systems Security, Cybersecurity, Theoretical Computer Science, Computational Logic
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data-Driven Decision-Making, Minitab, Regression Analysis, Logistic Regression, Statistical Hypothesis Testing, Statistical Analysis, Scatter Plots, Correlation Analysis, Data Analysis, Predictive Analytics, Statistical Methods, Descriptive Statistics, Analytics, Business Analytics, Predictive Modeling, Forecasting, Advanced Analytics, Statistical Modeling, Quantitative Research, Case Studies
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: C and C++, Programming Principles, Computer Architecture, OS Process Management, Data Access, Python Programming, Data Sharing, Computer Hardware, Development Environment, Debugging
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, R (Software), GitHub, Data Literacy, Version Control, Data Analysis, Big Data, R Programming, Git (Version Control System), Statistical Programming, Data Quality, Data Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Tensorflow, Keras (Neural Network Library), Artificial Neural Networks, Deep Learning, Machine Learning Methods, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Exploratory Data Analysis, Model Evaluation, Data Collection, Model Deployment, Data Ethics, MLOps (Machine Learning Operations), Feature Engineering, Data Cleansing, Applied Machine Learning, Data Analysis, Statistical Analysis, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Predictive Modeling, Generative AI, Data Preprocessing, Continuous Monitoring
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Large Language Modeling, Retrieval-Augmented Generation, LLM Application, Embeddings, Agentic systems, Application Development, Data Pipelines, Data Integration, Development Environment
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Presentations, English Language, Verbal Communication Skills, Communication, Non-Verbal Communication, Entrepreneurship, Microsoft PowerPoint, Business Communication, Sales, Interpersonal Communications, Project Management, Business Leadership, Crisis Management, Organizational Structure, Marketing, Leadership and Management, Business, Vocabulary, Telecommuting, Human Resources
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Interactive Data Visualization, Exploratory Data Analysis, Dashboard, Data Visualization Software, Data Integration, Heat Maps, Spatial Data Analysis, Data-Driven Decision-Making, Decision Support Systems, Business Intelligence Software, Geospatial Information and Technology, Data Mapping
Beginner · Guided Project · Less Than 2 Hours