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: Safety Culture, Threat Detection, Cyber Threat Intelligence, Cyber Governance, Cybersecurity, Security Awareness, Responsible AI, Cyber Security Strategy, Threat Management, Leadership, Cyber Risk, Culture Transformation, Cyber Security Policies, Cyber Operations, Cyber Security Assessment, Leadership Development, Cross-Functional Team Leadership, Team Leadership, Team Building, Team Motivation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Support, Active Directory, Network Administration, Dynamic Host Configuration Protocol (DHCP), Technical Support and Services, Firewall, Microsoft Windows, Local Area Networks, Network Security, Network Troubleshooting, Computer Networking, Mac OS, Group Policy, Network Infrastructure, Security Controls, TCP/IP, User Accounts, Authorization (Computing), Network Protocols, Multi-Factor Authentication
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Keyword Research, Advertising Campaigns, Pay Per Click Advertising, Online Advertising, Search Engine Marketing, Advertising, Digital Advertising, Campaign Management, Bidding, Target Audience, Web Analytics, Management Reporting, Content Performance Analysis, Account Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Search Engine Optimization, Consumer Behaviour, Marketing, Web Analytics and SEO, Marketing Strategies, Digital Advertising, Keyword Research, Digital Marketing, Marketing Effectiveness, Advertising, Brand Strategy, Market Analysis, Goal Setting
Mixed · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Adobe After Effects, Video Editing, Videography, Post-Production, Video Production, TikTok, Color Matching, Storytelling, Photo/Video Production and Technology, Data Storage, Motion Graphics, Animations, Storyboarding, Timelines, Image Quality, Ideation, Content Creation, Multimedia, Organizational Skills, File Management
Beginner · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: C# (Programming Language), Object Oriented Programming (OOP), Microsoft Visual Studio, C++ (Programming Language), Computer Programming, Extensible Markup Language (XML), .NET Framework, Database Management, Java, UI Components, Graphical Tools, Network Model, Data Structures, Image Analysis
Intermediate · Course · 3 - 6 Months

Dartmouth College
Skills you'll gain: Supervised Learning, Artificial Neural Networks, Bayesian Statistics, Statistical Machine Learning, Machine Learning Methods, Probability & Statistics, Predictive Modeling, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Statistical Modeling, Machine Learning Algorithms, Statistical Methods, Deep Learning, Regression Analysis, Statistical Inference, Artificial Intelligence
Intermediate · Specialization · 3 - 6 Months

AI CERTs
Skills you'll gain: Threat Modeling, Security Testing, Security Engineering, Cybersecurity, Data Security, Blockchain, Threat Detection, Cryptography, Network Security, Security Strategy, Exploit development, Vulnerability Assessments, Transaction Processing, Regulation and Legal Compliance
Advanced · Course · 1 - 3 Months

Skills you'll gain: 3D Modeling, 3D Assets, Virtual Environment, Visualization (Computer Graphics), Computer Graphics, Architectural Design, Creative Design, Design Elements And Principles, Performance Tuning, Aesthetics
Advanced · Course · 3 - 6 Months

AI CERTs
Skills you'll gain: Unity Engine, Video Game Development, Agentic systems, Generative AI Agents, Game Design, Artificial Intelligence and Machine Learning (AI/ML), Animation and Game Design, Artificial Intelligence, Machine Learning Methods, Generative AI, Deep Learning, Game Theory, Design and Product, Design, Real Time Data
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Construction Estimating, Engineering Plans And Specifications, Blueprint Reading, Architectural Drawing, Cost Estimation, Building Information Modeling, Project Estimation, Risk Management, Project Risk Management, Cost Management, Project Controls, Engineering Drawings, Construction Management, Estimation, Bidding, Design Specifications, Construction, Risk Analysis, Presentations, Business Communication
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Network Security, Incident Response, Business Continuity, Disaster Recovery, Security Controls, Configuration Management, Governance, Cybersecurity, Security Management, Computer Security Incident Management, Cyber Attacks, Computer Security Awareness Training, Information Assurance, Data Security, Infrastructure Security, Risk Management Framework, Event Monitoring, Encryption, Role-Based Access Control (RBAC), Authorization (Computing)
Beginner · Specialization · 3 - 6 Months