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.

LearnQuest
Skills you'll gain: Data Ethics, Responsible AI, Predictive Modeling, OpenAI, Algorithms, Data Collection, Machine Learning, Predictive Analytics, Information Privacy, Artificial Intelligence, Game Theory, Large Language Modeling, Ethical Standards And Conduct, Personally Identifiable Information, Statistical Modeling, Machine Learning Algorithms, Analytical Skills, Artificial Intelligence and Machine Learning (AI/ML), Analysis, Risk Modeling
Beginner · Specialization · 3 - 6 Months

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

New York University
Skills you'll gain: Security Engineering, Threat Modeling, Distributed Denial-Of-Service (DDoS) Attacks, Cyber Attacks, Cybersecurity, Threat Management, Cyber Risk, Threat Detection, Information Systems Security, Network Security, Computer Security, Exploitation techniques, Encryption
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure Active Directory, Data Security, Multi-Factor Authentication, Microsoft Azure, Role-Based Access Control (RBAC), Cloud Security, Active Directory, Threat Modeling, Security Strategy, Data Storage, Application Security, Database Architecture and Administration, Virtual Machines, Infrastructure Security, Kubernetes, Continuous Monitoring, Web Applications, Cyber Governance, System Monitoring, Network Security
Intermediate · Professional Certificate · 3 - 6 Months

University of Colorado System
Skills you'll gain: Business Transformation, Change Management, Leadership Development, Organizational Change, Agile Methodology, Team Leadership, Leadership, Team Management, Organizational Structure, Adaptability
Beginner · Course · 1 - 4 Weeks

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

Microsoft
Skills you'll gain: GitHub, C# (Programming Language), Secure Coding, HTML and CSS, User Interface and User Experience (UI/UX) Design, Figma (Design Software), Open Web Application Security Project (OWASP), Git (Version Control System), User Interface (UI), Object Oriented Programming (OOP), Web Development, Web Design, Debugging, Mockups, Microsoft Copilot, Authentications, Front-End Web Development, Programming Principles, UI Components, Javascript
Beginner · Professional Certificate · 3 - 6 Months

Alfaisal University | KLD
Skills you'll gain: Computer Vision, Natural Language Processing, Machine Learning, Big Data, Artificial Intelligence, Deep Learning, Reinforcement Learning, Data Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Copilot, Anthropic Claude, Web Applications, Tool Calling, GitHub, Web Development, Real Time Data, Debugging, Artificial Intelligence and Machine Learning (AI/ML), API Gateway, Servers, Prompt Engineering, Agentic systems, Video Game Development, Middleware, LLM Application, Prompt Patterns, Generative AI, Artificial Intelligence, Software Engineering
Beginner · Specialization · 3 - 6 Months

Lund University
Skills you'll gain: Labor Law, Arbitration, Environmental Laws, Case Law, Legal Writing, Legal Research, Labor Relations, Tax, Tax Laws, Regulation and Legal Compliance, Commercial Laws, Compliance Management, Business, Contract Management, Governance
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: jQuery, Ajax, JSON, Django (Web Framework), Javascript, Object Oriented Programming (OOP), Web Development Tools, Debugging
Intermediate · Course · 1 - 3 Months