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.

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, Social Media Content, Target Audience, Content Creation, Marketing Strategies, Advertising Campaigns, Digital Content, Digital Advertising, Web Analytics
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Infographics, Graphic Design, Graphic and Visual Design, Graphic and Visual Design Software, Design, Visual Design, Graphics Software, Typography, Design Software, Design Reviews, Adobe Creative Cloud, Adobe Photoshop, Design Elements And Principles, Peer Review, Color Theory, Creativity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Anomaly Detection, Computer Vision, Artificial Intelligence, Microsoft Azure, Image Analysis, Natural Language Processing, Artificial Intelligence and Machine Learning (AI/ML), Applied Machine Learning, Data Ethics, Machine Learning, Large Language Modeling, Predictive Modeling
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Debugging, Unit Testing, Relational Databases, Object Oriented Programming (OOP), Data Transformation, Databases, Data Visualization Software, Object Oriented Design, Web Scraping, Data Science, Creative Design, Scatter Plots, Data Structures, Programming Principles, Integrated Development Environments, Python Programming, Development Testing, Computer Programming, Program Development, Diversity and Inclusion
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Intrusion Detection and Prevention, Threat Detection, Cyber Threat Hunting, Incident Management, Cybersecurity, Security Management, Security Information and Event Management (SIEM), Data Integrity, Technical Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Content, Responsible AI, Cross-Channel Marketing, Content Marketing, Generative AI, Social Media, Marketing Analytics, Data-Driven Decision-Making, Marketing Strategies, Content Creation, Social Media Strategy, Marketing Automation, Data Ethics, Email Marketing, Social Media Campaigns, Adobe Creative Cloud, Graphic and Visual Design, Search Engine Optimization, Storytelling, Performance Analysis
Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Computer Security Awareness Training, Cybersecurity, Risk Management, Enterprise Security, Vulnerability Assessments, Encryption, Network Security, Data Security, Security Awareness, Authentications
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, Web Development, Web Applications, Web Design and Development, Web Design, Front-End Web Development
Beginner · Guided Project · Less Than 2 Hours

Peking University
Skills you'll gain: Data Structures, Algorithms, Database Systems, Performance Tuning, Computer Programming
Mixed · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: PHP (Scripting Language), MySQL, Database Application, Database Development, Object Oriented Programming (OOP), Application Development, Authentications, Web Applications, SQL, Server Side, Application Security
Intermediate · Course · 1 - 3 Months
University of California, Irvine
Skills you'll gain: Blockchain, Cryptography, Data Integrity, Encryption, FinTech, Network Security, Transaction Processing, Data Structures, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Mobile Development, React Native, Responsive Web Design, Browser Compatibility, HTML and CSS, Cross Platform Development, Web Design and Development, Javascript, User Interface (UI) Design, Web Development
Beginner · Course · 1 - 4 Weeks