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: Oracle Databases, Oracle SQL Developer, PL/SQL, Database Administration, Database Architecture and Administration, Relational Databases, Database Management, Database Management Systems, Stored Procedure, Database Design, SQL, Data Storage, Data Management, Performance Tuning, Data Integrity, Security Controls, Authorization (Computing), Identity and Access Management, System Monitoring, User Accounts
Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Front-End Web Development, Debugging, Programming Principles, Computational Thinking, GitHub, Pseudocode, Version Control, Git (Version Control System), Integrated Development Environments, Microsoft Copilot, Algorithms, Program Development, Computer Programming, Data Flow Diagrams (DFDs), C# (Programming Language)
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Risk Management, Organizational Structure, Organizational Strategy, Strategic Leadership, Art History, Organizational Effectiveness, Customer Analysis, Market Opportunities, Organizational Leadership, Strategic Communication, Stakeholder Communications, Liberal Arts, Fundraising, Target Audience, Value Propositions
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Public Key Cryptography Standards (PKCS), Brute-force attacks, Key Management, Advanced Encryption Standard (AES), Encryption, Data Integrity, Information Systems Security, Cybersecurity, Authentications, Information Assurance, Data Security, Theoretical Computer Science, Computational Logic, Algorithms
Intermediate · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: C# (Programming Language), Object Oriented Programming (OOP), .NET Framework, Microsoft Visual Studio, Extensible Markup Language (XML), Data Access, Computer Programming, Database Application, UI Components, Event-Driven Programming, Algorithms, Application Development, Network Model, Data Structures, Image Analysis, File I/O
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Apache Airflow, MLOps (Machine Learning Operations), User Acceptance Testing (UAT), Prompt Patterns, LLM Application, AI Security, Extract, Transform, Load, Scripting, Technical Communication, SQL, Data Pipelines, PyTorch (Machine Learning Library), Miro AI, Data Presentation, Large Language Modeling, Python Programming, Performance Tuning, Root Cause Analysis, Statistical Analysis, Version Control
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: AI Personalization, Customer Engagement, Data-Driven Decision-Making, Customer Service, Customer experience improvement, Customer Relationship Management (CRM) Software, AI Enablement, Personalized Service, Customer Insights, Customer Retention, Business Analytics, ChatGPT, User Feedback, Analytics, Self Service Technologies, Artificial Intelligence, Generative AI, Predictive Analytics, Consumer Behaviour, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SAS (Software), Forecasting, Time Series Analysis and Forecasting, Statistical Methods, Predictive Modeling, Data Preprocessing, Automation, Anomaly Detection, Data Transformation, Model Evaluation
Intermediate · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Data Transformation, Extract, Transform, Load, Consolidation, Microsoft Excel, Data Manipulation, Data Cleansing, Data Integration, Data Import/Export, Pivot Tables And Charts, Data Validation, Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Interactive Data Visualization, Power BI, Data Storytelling, Data Visualization Software, Key Performance Indicators (KPIs), Business Intelligence, Data Ethics, Collaboration, Data Governance, Data Sharing, Performance Reporting, Data-Driven Decision-Making, Statistical Reporting, Business Analytics, Data Management, Data Security, Performance Management, Continuous Deployment, Cloud-Based Integration
Intermediate · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Splunk, Correlation Analysis, Data Transformation, Data Manipulation, Data Visualization Software, Performance Tuning, Dashboard, Data Analysis Expressions (DAX), Statistical Analysis, Data Processing, Security Information and Event Management (SIEM), Data Analysis, Data Synthesis, Data Modeling, Ad Hoc Reporting, Time Series Analysis and Forecasting, Business Intelligence, Big Data, Data Science, Business Analytics
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Engineering, Scientific, and Technical Instruments, Embedded Systems, Embedded Software, Real Time Data, Electronics, Electronic Systems, Electronic Components, Design Specifications
Build toward a degree
Intermediate · Course · 1 - 3 Months