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.

Johns Hopkins University
Skills you'll gain: Performance Tuning, OS Process Management, Data Structures, C and C++, Performance Testing, Distributed Computing, Hardware Architecture, Algorithms, Computer Architecture, Program Development, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Routing Protocols, Network Routing, TCP/IP, Network Routers, Virtual Private Networks (VPN), OSI Models, Computer Networking, General Networking, Network Protocols, Networking Hardware, Network Switches, Network Troubleshooting, Local Area Networks, Network Performance Management, Network Infrastructure, Wireless Networks, Network Security, Network Model, Network Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: React.js, HTML and CSS, Application Deployment, Web Development, Front-End Web Development, Web Applications, Web Development Tools, Full-Stack Web Development, Web Frameworks, Performance Tuning, Javascript, Server Side, GitHub, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Epidemiology, Public Health, Data Presentation, Geographic Information Systems, Data Visualization Software, GIS Software, Biostatistics, Health Policy, Risk Analysis, Estimation, Demography, Statistical Methods, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Needs Assessment, Rapport Building, Communication, Active Listening
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Metasploit, Exploitation techniques, Penetration Testing, Database Management, Cryptography, Data Import/Export, Public Key Infrastructure, MySQL, Vulnerability Scanning, Encryption, Vulnerability Assessments, Cybersecurity, Data Encryption Standard, SQL, PostgreSQL, Command-Line Interface
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Android Studio, Android Jetpack, Kotlin, Android Development, Android (Operating System), Responsive Web Design, Mobile Development, UI Components, Unit Testing, Gradle, User Interface (UI) Design, Application Development, User Interface (UI), Integrated Development Environments, Object Oriented Programming (OOP), Development Environment, Programming Principles, Test Driven Development (TDD), Wireframing, Prototyping
Beginner · Specialization · 3 - 6 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Payroll, Payroll Administration, Payroll Processing, Compensation Management, Human Resources Information System (HRIS), Customer Service, Employee Engagement, Communication Strategies, Compliance Management, Continuous Improvement Process, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Business Writing, Business Communication, Writing, Organizational Skills, Concision, Writing and Editing, Proofreading, Grammar, Communication, Editing, Persuasive Communication, Communication Strategies
Beginner · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Animation and Game Design, Game Design, Animations, Prototyping, Conceptual Design, Video Game Development, Storytelling, Software Design Documents, Ideation, Visualization (Computer Graphics), Storyboarding, Design, Virtual Environment, Art History, Technical Design, Design Elements And Principles, Usability Testing, Creative Design, Design Strategies, Interactive Design
Beginner · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: API Gateway, GraphQL, Application Programming Interface (API), API Design, Microservices, CI/CD, Restful API, Cloud API, Node.JS, Scalability, Secure Coding, Authentications, Containerization, Software Architecture, Real Time Data, Kubernetes, Event-Driven Programming
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Cyber Security Assessment, Cyber Security Strategy, Cyber Security Policies, Information Systems Security Assessment Framework (ISSAF), Network Security, Computer Security Awareness Training, Cyber Risk, Security Awareness, Data Security, Technical Support and Services, Information Assurance, Information Technology, General Networking
Beginner · Course · 1 - 4 Weeks