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: Spring Framework, Hibernate (Java), Spring Boot, Java, Object-Relational Mapping, Database Management, Application Frameworks, Data Access, Apache Maven, SQL, Object Oriented Programming (OOP), Model View Controller, Functional Design
Intermediate · Course · 1 - 4 Weeks
University of Toronto
Skills you'll gain: Bioinformatics, Network Analysis, Data Visualization Software, Data Analysis, Data Mining, Exploratory Data Analysis, Databases
Intermediate · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Social Media Marketing, Social Media Strategy, Social Media, Marketing Effectiveness, Marketing, Performance Measurement, Business Metrics, Customer Engagement, Business-To-Consumer, Return On Investment, Key Performance Indicators (KPIs), Integrated Marketing Communications, Program Management, Law, Regulation, and Compliance, A/B Testing, Information Privacy
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Programming Principles, Object Oriented Programming (OOP), Debugging, Software Development
Beginner · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Descriptive Analytics, Data Mining, Business Analytics, Predictive Analytics, Analytics, Business Intelligence, Forecasting, Business Analysis, Data Analysis, Data-Driven Decision-Making, Trend Analysis, Business Strategy, Decision Making
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Feedback, Customer Service, Customer experience strategy (CX), Customer Engagement, Customer Insights, Customer Analysis, Communication, Continuous Improvement Process, Case Studies, Culture Transformation, Focus Group, Data-Driven Decision-Making, Social Media
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, API Gateway, MySQL, Restful API, MongoDB, Microservices, API Design, NoSQL, Database Design, Relational Databases, Unit Testing, SQL, Databases, Server Side, Application Deployment, Javascript, Application Programming Interface (API), Software Documentation, Data Modeling, Software Architecture
Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Content Performance Analysis, Prompt Engineering, Microsoft Copilot, Customer Insights, Customer Analysis, Competitive Analysis, Persona Development, Content Creation, Marketing Analytics, Generative AI Agents, Marketing Design, Marketing Strategies, Marketing Planning, Marketing Materials, Marketing, Content Development and Management, Ideation, Social Media Content, Content Strategy, Data Analysis
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Portfolio Management, Plotly, Data Visualization, Investment Management, Financial Analysis, Statistical Analysis, Financial Data, Risk Modeling, Market Data, Finance, Equities, Data Analysis, Pandas (Python Package), Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Patch Management, Microsoft Azure, Cloud Management, Identity and Access Management, Cloud Infrastructure, Cloud Computing, Cloud Computing Architecture, Infrastructure As A Service (IaaS), Cloud Services, Disaster Recovery, Virtual Machines, Cloud Solutions, Kubernetes, Cloud Platforms, Role-Based Access Control (RBAC), Windows PowerShell, System Monitoring, Public Cloud, Infrastructure as Code (IaC), Cloud Security
Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Threat Modeling, Secure Coding, Cryptography, Exploit development, Open Web Application Security Project (OWASP), Encryption, Application Security, Vulnerability Assessments, Data Security, Security Controls, Authentications, Security Testing, Vulnerability Management, Personally Identifiable Information
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Control Systems, Vibrations, Mechanics, Torque (Physics), Global Positioning Systems, Linear Algebra, Numerical Analysis, Engineering Calculations, Simulations, Engineering Analysis, Trigonometry, Physics, Mathematical Modeling, Visualization (Computer Graphics), Differential Equations, Simulation and Simulation Software, Applied Mathematics, Verification And Validation, Engineering, Advanced Mathematics
Advanced · Specialization · 3 - 6 Months