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.

University of London
Skills you'll gain: Pseudocode, File I/O, C++ (Programming Language), Integrated Development Environments, Object Oriented Programming (OOP), Development Environment, Algorithms, Debugging, Data Structures
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Ethics, Security Awareness, Healthcare Ethics, Responsible AI, Ethical Standards And Conduct, Computer Security Awareness Training, Cybersecurity, Diversity Awareness, Generative AI, Artificial Intelligence, Information Technology, Information Privacy, Diversity Equity and Inclusion Initiatives, Social Impact, Media and Communications, Automation, Robotics, Cultural Diversity, Personally Identifiable Information, Emerging Technologies
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Work Breakdown Structure, Calendar Management, Timelines, Project Schedules, Scheduling, Project Planning, Project Coordination, Project Management Software, Project Management, Milestones (Project Management), Relationship Management, Data Visualization, Data Import/Export
Beginner · Course · 1 - 3 Months

Skills you'll gain: Self Service Technologies, Automation, Setting Appointments, AI Workflows, Calendar Management, Prompt Engineering, Customer Service, Customer Inquiries, Customer Communications Management, Scheduling, Dental Care, Greeting Customers
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Agentic systems, Responsible AI, Compliance Management, Governance, Regulatory Compliance, Artificial Intelligence, Risk Analysis, Case Studies, Business Ethics, Ethical Standards And Conduct, Risk Management, Accountability, Regulatory Requirements
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, Data Visualization Software, Data Visualization, Pandas (Python Package), Jupyter, Data Import/Export, Data Science, Data Analysis, Analytical Skills, Python Programming, Scripting
Beginner · Guided Project · Less Than 2 Hours

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Derivatives, Financial Market, Risk Management, Investments, Financial Modeling, Market Data, Portfolio Management, Mathematical Modeling, Finance, Probability, Statistical Modeling, Estimation, Applied Mathematics
Advanced · Course · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Supplier Quality Management, Procurement, Strategic Sourcing, Enterprise Resource Planning, Purchasing, Environmental Social And Corporate Governance (ESG), Strategic Partnership, Business Risk Management, Key Performance Indicators (KPIs), Supplier Relationship Management, Supply Chain, Risk Management, Derivatives, Organizational Structure, Consolidation, Target Audience, Talent Management, Quality Management, Robotic Process Automation, Supply Chain Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Regression Analysis, Statistical Hypothesis Testing, Statistical Analysis, Correlation Analysis, Predictive Analytics, Data Analysis, Minitab, Statistical Methods, Forecasting, Business Analytics, Quantitative Research, Data-Driven Decision-Making, Descriptive Statistics, Case Studies, Financial Analysis, Microsoft Excel
Mixed · Course · 1 - 3 Months

Skills you'll gain: Computer Vision, Applied Machine Learning, Digital Signal Processing
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Ancient History, Timelines, Social Impact, Social Justice, Anthropology, Scientific Methods, World History, Social Sciences, Sustainable Development, Peer Review, Environment, Case Studies, General Science and Research, Environmental Science, Community Development, Investigation, Climate Change Programs, Spatial Analysis, Geographic Information Systems, Data Analysis
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Microsoft Azure, Data Visualization, Microsoft Excel, Internet Of Things, Cloud Storage, Data Storage Technologies, Data Import/Export, Data Pipelines
Beginner · Guided Project · Less Than 2 Hours