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.

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Data Validation, Web Development Tools
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Automation, Microsoft Power Automate/Flow, Workflow Management, Microsoft Power Platform, Business Process Automation, Automation, Applicant Tracking Systems, Test Tools, Process Improvement, Microsoft 365
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Threat Modeling, Cloud Security, Internet Of Things, Infrastructure Security, Vulnerability Management, Information Systems Security, Incident Response, Identity and Access Management, Threat Management, Security Strategy, Penetration Testing, Network Security, Security Controls, Cloud Computing, Cloud Computing Architecture, Threat Detection, Cloud Deployment
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Software Quality Assurance, Quality Assurance, Software Testing, Jira (Software), Regression Testing, Functional Testing, Test Planning, Test Case, Usability Testing, Technical Communication, Issue Tracking, Agile Methodology, Software Documentation, Software Development, Agile Project Management, Risk Management, User Interface and User Experience (UI/UX) Design, Data Analysis, Problem Solving
Beginner · Course · 1 - 4 Weeks

Alfaisal University | KLD
Skills you'll gain: Supply And Demand, Market Dynamics, Economics, Market Analysis, Market Data, Public Policies, Consumer Behaviour, Cost Benefit Analysis, Policty Analysis, Research, and Development, Price Negotiation, Decision Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Threat Modeling, Application Security, Software Development Life Cycle, DevSecOps, Security Testing, Secure Coding, Security Engineering, Cloud Security, Encryption, Vulnerability Scanning, Software Development, CI/CD, Cloud Platforms, Vulnerability Assessments, Vulnerability Management, Penetration Testing, Cybersecurity, Configuration Management
Intermediate · Course · 3 - 6 Months

Skills you'll gain: File Systems, Linux Administration, Data Storage, Linux, Operating Systems, Linux Commands, Data Management, Systems Administration, Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Cloud Security, Kubernetes, Data Security, Virtual Machines, Database Architecture and Administration, Infrastructure As A Service (IaaS), Remote Access Systems, Data Storage Technologies, Identity and Access Management, Containerization, Key Management, Encryption
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Real Estate, Investments, Property and Real Estate, Risk Management, Portfolio Management, Portfolio Risk, Accounting, Market Liquidity, Balance Sheet, Business Valuation, Return On Investment, Financial Statements, Financial Planning, Case Studies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, Generative AI, ChatGPT, OpenAI API, Blogs, Artificial Intelligence, Social Media Management, Copywriting, Social Media Content, Content Creation, Marketing Automation, Social Media Campaigns, Social Media, Digital Content, Email Marketing, Web Development, Digital Publishing, Web Design and Development, Content Marketing, Productivity
Beginner · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Large Language Modeling, LLM Application, Learning Strategies, Education Software and Technology, AI Personalization, Lifelong Learning, AI Enablement, Human Learning, Adult Learning Principles, Prompt Engineering Tools, Artificial Intelligence, Student-Centred Learning, Generative AI, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Dell
Skills you'll gain: Rapport Building, Sales Presentation, Digital Transformation, Data Centers, Customer Relationship Building, Customer Insights, Sales, Technical Sales, Interviewing Skills, Outside Sales, Inside Sales, Data Storage Technologies, Business Research, Communication, Solution Selling, Computer Hardware, Software As A Service
Beginner · Course · 1 - 4 Weeks