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.

Microsoft
Skills you'll gain: Microsoft Azure, Threat Modeling, Cloud Security, Continuous Monitoring, System Monitoring, Security Information and Event Management (SIEM), Security Management, Threat Detection, Threat Management, Application Performance Management, Event Monitoring, Vulnerability Management, Brute-force attacks, Incident Response, Query Languages
Intermediate · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Epidemiology, Health Disparities, Spatial Data Analysis, Data Visualization, Public Health, Geographic Information Systems, Data Analysis, Statistical Analysis, Infectious Diseases, Risk Analysis, Microsoft Excel
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Blockchain, Cryptography, FinTech, Financial Inclusion, Emerging Technologies, Payment Systems, Distributed Computing, Data Integrity, Public Key Cryptography Standards (PKCS), Business Transformation, Data Security, Information Privacy, Stakeholder Analysis, Intellectual Property, Scalability, Governance
Beginner · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Computer Science, Programming Principles, Problem Solving, Mathematical Theory & Analysis, Problem Management, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Middleware, File Transfer Protocol (FTP), Oracle Databases, Enterprise Architecture, Data Integration, Enterprise Application Management, Integration Testing, Systems Integration, System Testing, Development Testing, Data Import/Export, Functional Testing, Configuration Management, File Management
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Management, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Artificial Intelligence and Machine Learning (AI/ML), Serverless Computing, Digital Transformation, Containerization, Site Reliability Engineering, Application Programming Interface (API), Google Cloud Platform, Cloud Infrastructure, Data Governance, Hybrid Cloud Computing, Cloud Storage, Real Time Data, Cloud Services, Looker (Software), Data Storage, Data Security, Cloud Computing
Beginner · Specialization · 3 - 6 Months

Whizlabs
Skills you'll gain: Amazon DynamoDB, Amazon Redshift, Databases, Database Architecture and Administration, Relational Databases, Apache Cassandra, NoSQL, Amazon S3, Data Warehousing, SQL, Redis
Intermediate · Course · 1 - 4 Weeks
Starweaver
Skills you'll gain: Financial Statement Analysis, Credit Risk, Financial Analysis, Loans, Environmental Social And Corporate Governance (ESG), Market Data, Derivatives, Portfolio Risk, Financial Regulation, Financial Modeling, Risk Analysis, Bank Regulations, Financial Market, Securities (Finance), Risk Management, Financial Data, Financial Services, Portfolio Management, Risk Mitigation, Project Portfolio Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Blockchain, Secure Coding, Authorization (Computing), Security Testing, Role-Based Access Control (RBAC), Application Security, Identity and Access Management, Programming Principles, Transaction Processing, Cryptography, Software Development, Software Architecture, Development Environment, Data Security, Scalability
Intermediate · Course · 1 - 4 Weeks

University of the Arts London
Skills you'll gain: PyTorch (Machine Learning Library), Artificial Intelligence, Creativity, Artificial Intelligence and Machine Learning (AI/ML), Creative Thinking, Generative AI, Artificial Neural Networks, Responsible AI, Creative Problem-Solving, Creative Design, Machine Learning Methods, Data Ethics, Deep Learning, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Digital Transformation, Google Workspace, Cloud Management, Google Cloud Platform, Collaborative Software, Cloud Applications, Cost Management, Leadership, Technology Strategies, Application Development, Cloud Computing, Cloud Infrastructure, Artificial Intelligence and Machine Learning (AI/ML), Cloud Storage, Machine Learning, Data Storage
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Expense Management, Small Business Accounting, Accounts Payable, Inventory Management System, Accounting and Finance Software, Payment Processing, Invoicing, Payroll Processing, Vendor Management, Accounting, Cloud Security, Data Security, Order Processing, Purchasing
Beginner · Guided Project · Less Than 2 Hours