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.

Scrimba
Skills you'll gain: Debugging, HTML and CSS, Web Development, Mobile Development, Database Application, Responsive Web Design, Real Time Data, User Interface (UI) Design, Secure Coding, Javascript, Data Storage Technologies
Intermediate · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Threat Modeling, Cybersecurity, Cloud Security, Mobile Security, Vulnerability Assessments, Network Security, Application Security, Threat Detection, Security Awareness, Cyber Attacks, Brute-force attacks, MITRE ATT&CK Framework, Encryption, Vulnerability Scanning, Exploitation techniques, Infrastructure Security, Wireless Networks, Internet Of Things
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Color Theory, Typography, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, Web Design, HTML and CSS, Animations, User Interface (UI) Design, Web Design and Development, Usability, Visualization (Computer Graphics)
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Git (Version Control System), GitHub, Bitbucket, Version Control, Software Versioning, GitLab, Software Configuration Management, Collaborative Software, Integrated Development Environments, Software Development, Code Review, IntelliJ IDEA, Microsoft Visual Studio, Eclipse (Software), Linux, Command-Line Interface
Beginner · Specialization · 1 - 3 Months

Edureka
Skills you'll gain: Database Design, Data-Driven Decision-Making, Dashboard, Business Intelligence, Spreadsheet Software, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Content Performance Analysis, ChatGPT, Social Media Content, Content Strategy, Prompt Engineering, Target Audience, Social Media Campaigns, Social Media Marketing, Content Creation, Drive Engagement, Social Media Strategy, Market Research, Copywriting, Storytelling
Intermediate · Guided Project · Less Than 2 Hours

Kennesaw State University
Skills you'll gain: Email Security, Personally Identifiable Information, Firewall, Threat Detection, Network Security, Cybersecurity, Security Awareness, Cloud Storage, Information Privacy, Cloud Computing, General Networking, Encryption
Beginner · Course · 1 - 3 Months

Skills you'll gain: Human Resources, Responsible AI, Developing Training Materials, Generative AI, AI Enablement, Workforce Development, Miro AI, Data Ethics, Recruitment, Generative AI Agents, People Analytics, People Management, AI Personalization, Talent Management, Automation, Talent Acquisition, Prompt Engineering, No-Code Development, Agentic systems, Business Operations
Beginner · Specialization · 1 - 3 Months

University of Washington
Skills you'll gain: Responsive Web Design, Web Design, GitHub, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, Web Design and Development, Usability, User Interface and User Experience (UI/UX) Design, User Experience, Javascript, Web Content Accessibility Guidelines, Browser Compatibility, User Story, Front-End Web Development, Web Development, Mobile Development, Semantic Web, Git (Version Control System)
Beginner · Specialization · 1 - 3 Months

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

Imperial College London
Skills you'll gain: Health Policy, Climate Change Adaptation, Policy Analysis, Environmental Policy, Social Determinants Of Health, Health Systems, Environmental Issue, Sustainable Development, Climate Change Mitigation, Policy Development, Public Health, Environmental Science, International Relations, Governance, Research
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Informed Consent, Data Ethics, Healthcare Ethics, Medical Privacy, Responsible AI, Healthcare Industry Knowledge, AI Security, Generative AI, Health Information Management, Patient-centered Care, Patient Safety
Beginner · Course · 1 - 4 Weeks