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: Cyber Threat Intelligence, Malware Protection, Peripheral Devices, Personally Identifiable Information, Remote Access Systems, Hardware Troubleshooting, Threat Detection, Desktop Support, Threat Management, Help Desk Support, Network Support, Cloud Services, Cybersecurity, Mac OS, Computer Hardware, Microsoft Windows, Technical Support and Services, Electrical Safety, IT Management, Cloud Security
Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Javascript, Web Development, Angular, Vue.JS, Application Development, React.js, Web Applications, JSON, Event-Driven Programming, Object Oriented Programming (OOP), Programming Principles, Computer Programming, Data Structures, Software Engineering, Functional Design, Computer Science
Intermediate · Course · 1 - 3 Months

The University of Sydney
Skills you'll gain: Economics, Financial Policy, Economics, Policy, and Social Studies, Financial Regulation, Fiscal Management, International Finance, Public Policies, Policy Analysis, Supply And Demand, Banking, Crisis Intervention
Mixed · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Data-Driven Decision-Making, Strategic Communication, Collaboration, Crisis Management, Team Leadership, Organizational Leadership, Business Leadership, Culture Transformation, Strategic Decision-Making, Strategic Leadership, Customer experience strategy (CX), Case Studies, Human Centered Design, Innovation, Decision Making, Peer Review
Mixed · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Spatial Analysis, Geographic Information Systems, Geospatial Mapping, Spatial Data Analysis, Augmented Reality, Data Visualization Software, Data Mapping, Color Theory, Database Management
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Network Analysis, R Programming, Statistical Analysis, Regression Analysis, Statistical Modeling, Bayesian Network, Statistical Hypothesis Testing, Statistical Programming, Data Analysis, R (Software), Probability, Probability Distribution, Applied Machine Learning, Probability & Statistics, Statistical Methods, Social Network Analysis, Applied Mathematics, Simulations, Data Science, Markov Model
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Talent Acquisition, Leadership Development, Diversity Equity and Inclusion Initiatives, HR Tech, Human Resource Strategy, Workplace inclusivity, Recruitment, Strategic Leadership, Human Resources Information System (HRIS), Cultural Diversity, Organizational Effectiveness, Team Building, Decision Making, Employee Onboarding, Innovation, Change Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Security Assessment, Compliance Management, Internal Controls, Threat Detection, Governance, Continuous Monitoring, Data Management, Disaster Recovery, Key Performance Indicators (KPIs), Regulatory Requirements, Business Analysis, Organizational Structure, Accountability, Stakeholder Communications
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Emerging Technologies, Internet Of Things, Network Security, Wireless Networks, Mobile Security, Cybersecurity, General Networking, Telecommunications, Technology Roadmaps, Automation, Cloud Computing
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Virtualization, Cloud-Native Computing, Network Security, Cloud Computing, Amazon Web Services, Infrastructure as Code (IaC), Cloud Computing Architecture, Virtual Machines, Network Troubleshooting, Cloud Platforms, Cloud Storage, Hyper-V, Virtual Networking, Software-Defined Networking, Cloud Infrastructure, VMware ESX Servers, Network Monitoring, Threat Modeling, Data Centers, Cloud Security
Build toward a degree
Intermediate · Specialization · 3 - 6 Months
LearnQuest
Skills you'll gain: Blockchain, Key Management, Security Controls, Cryptography, Cybersecurity, Security Engineering, Application Security, Network Security, Vulnerability Assessments, Encryption, Secure Coding, Data Security, Distributed Denial-Of-Service (DDoS) Attacks, Public Key Cryptography Standards (PKCS), Security Testing, Vulnerability Management, Transaction Processing, Risk Management, Code Review, Data Integrity
Intermediate · Specialization · 3 - 6 Months

Kennesaw State University
Skills you'll gain: Prompt Engineering, Data Ethics, Responsible AI, Education Software and Technology, ChatGPT, Artificial Intelligence, Digital pedagogy, Generative AI
Beginner · Course · 1 - 4 Weeks