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.

Coursera
Skills you'll gain: Pivot Tables And Charts, Spreadsheet Software, Microsoft Excel, Data Visualization Software, Google Sheets
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Recurrent Neural Networks (RNNs), Artificial Neural Networks, Deep Learning, Matplotlib, Convolutional Neural Networks, Linear Algebra, Image Analysis, Data Visualization, NumPy, Machine Learning Algorithms, Keras (Neural Network Library), Pandas (Python Package), Seaborn, Artificial Intelligence and Machine Learning (AI/ML), Data Science, Applied Machine Learning, Tensorflow, Data Analysis, Artificial Intelligence, Machine Learning
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: R Programming, Statistical Programming, Statistical Analysis, Debugging, Data Analysis, Simulations, Programming Principles, Integrated Development Environments, Data Import/Export, Data Structures, Data Manipulation, Computer Programming, Performance Tuning, Software Installation
Intermediate · Course · 1 - 4 Weeks

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Analytics, Performance Analysis, Descriptive Analytics, Business Analytics, Data-Driven Decision-Making, Data Analysis, Media and Communications, Analysis, Predictive Analytics, Performance Measurement, Data Collection, Small Data, Big Data, Spatial Analysis, Research, Performance Reporting, Learning Styles, Innovation, Leadership, Communication
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Drug Development, Clinical Trials, Clinical Research, Pre-Clinical Development, Good Clinical Practices (GCP), Regulatory Affairs, Pharmacology, Regulatory Compliance, Commercialization, Patient Safety
Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Computational Thinking, Algorithms, Theoretical Computer Science, Bioinformatics, Data Structures, Big Data, Python Programming, Data Analysis, Machine Learning Algorithms, Unsupervised Learning, Analysis
Intermediate · Course · 1 - 4 Weeks

Digital Marketing Institute
Skills you'll gain: Social Media Marketing, Social Media, Social Media Strategy, Social Media Management, Digital Media Strategy, Facebook, Content Marketing, Instagram, LinkedIn, Digital Marketing, Social Media Campaigns, Marketing, Target Audience, Marketing Strategies, Advertising Campaigns, Digital Content, Digital Advertising, Web Analytics, Brand Awareness, B2B Sales
Beginner · Specialization · 3 - 6 Months
University of Pennsylvania
Skills you'll gain: Financial Reporting, Financial Acumen, Financial Data, Financial Statements, Income Statement, Financial Analysis, Business Reporting, Risk Analysis, Cash Flows, Predictive Analytics, Financial Forecasting, Balance Sheet, Performance Measurement, Business Metrics, Financial Management, Financial Planning, Key Performance Indicators (KPIs), Performance Analysis, Return On Investment, Business Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Operational Analysis, Performance Analysis, Performance Improvement, Data Import/Export, Variance Analysis, Exploratory Data Analysis, Data Analysis, Financial Analysis, Operations Management, Operating Expense, Plot (Graphics), Waterfall Methodology
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, AI Workflows, Agentic Workflows, AI Enablement, Retrieval-Augmented Generation, Embeddings, Program Development, Model Deployment
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Responsible AI, Threat Modeling, MLOps (Machine Learning Operations), Security Testing, Secure Coding, Cost Management, Data Ethics, Data Governance, Experimentation, Prompt Engineering, Application Security, CI/CD, Automation, Financial Forecasting, Compliance Management, Governance, Technical Documentation, Vulnerability Assessments, Risk Management, Stakeholder Communications
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Python Programming, Programming Principles, Data Structures, Computational Logic, Debugging, Maintainability
Beginner · Course · 1 - 4 Weeks