Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, Generative AI Agents, Document Management, LLM Application, AI Enablement, AI Workflows, Application Programming Interface (API), Configuration Management
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Software-Defined Networking, Network Security, Infrastructure Security, Computer Networking, Local Area Networks, Network Architecture, Network Infrastructure, Wide Area Networks, Enterprise Architecture, Network Performance Management, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Storage vMotion, IT Automation, Hardening, Package and Software Management, Network Troubleshooting, Command-Line Interface
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Content Performance Analysis, Content Strategy, Stakeholder Communications, User Experience, UI/UX Strategy, User Research, User Interface and User Experience (UI/UX) Design, Test Planning, Data-Driven Decision-Making, Web Analytics, Competitive Analysis, Writing, Editing, Quality Assessment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Javascript, JavaScript Frameworks, Node.JS, Event-Driven Programming, Application Programming Interface (API), Debugging
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Amazon DynamoDB, NoSQL, Database Management Systems, Databases, Database Architecture and Administration, Redis, Data Store, Relational Databases, Database Management, Operational Databases, Real Time Data, Database Design, Performance Tuning, Transaction Processing, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C++ (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Debugging, Computer Programming, Programming Principles, Maintainability, Prototyping
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, Database Design, API Design, MongoDB, Database Management, Authentications, Relational Databases, Performance Tuning, Databases, Authorization (Computing), NoSQL, SQL, Frontend Integration, Node.JS, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management, Cyber Risk, Threat Management, Security Management, Vulnerability Management, Business Risk Management, Enterprise Risk Management (ERM), IT Management, Risk Mitigation, Cybersecurity, Threat Modeling, Cyber Security Strategy, Vulnerability Assessments, Compliance Management, Information Technology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Databases, Data Manipulation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Web Content Accessibility Guidelines, Test Automation, Usability, Human Centered Design, Usability Testing, User Interface (UI), Agile Product Development, UI/UX Strategy, Front-End Web Development, Software Testing, CI/CD
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Plot (Graphics), Scripting, Scientific Visualization, Visualization (Computer Graphics), Graphing, Scalability, Text Mining, Statistical Analysis, Time Series Analysis and Forecasting, Programming Principles, Data Visualization, Descriptive Statistics, Mathematical Software, File I/O, Numerical Analysis, Software Installation, Mathematical Modeling, Predictive Modeling, Python Programming, Data Analysis
Beginner · Specialization · 1 - 3 Months