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: Terraform, Infrastructure as Code (IaC), Amazon Web Services, Cloud Infrastructure, Cloud Computing, Multi-Cloud, Microsoft Azure, Google Cloud Platform, Command-Line Interface, Version Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Cryptography, Security Engineering, Threat Modeling, Threat Management, Data Security, Cyber Threat Intelligence, Vulnerability Assessments, Cyber Security Strategy, Threat Detection, Information Systems Security, Application Security, Security Testing, Key Management, Encryption, Regulatory Compliance, Network Protocols, Financial Regulation, Scalability, Scripting
Intermediate · Specialization · 1 - 3 Months

EDUCBA
Skills you'll gain: Application Deployment, Configuration Management, Application Performance Management, Application Servers, Model View Controller, UI Components, Virtual Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Convolutional Neural Networks, Tensorflow, Deep Learning, Transfer Learning, Artificial Neural Networks, Image Analysis, Computer Vision, Applied Machine Learning, Classification Algorithms, Model Deployment, Data Preprocessing, Network Architecture, Model Evaluation
Mixed · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Blockchain, Cryptography, Encryption, Network Security, Cybersecurity, Authentications, Public Key Cryptography Standards (PKCS), Vulnerability Assessments, Data Validation, Data Integrity, Transaction Processing, Distributed Computing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Torque (Physics), Game Design, Video Game Development, Mechanics, Simulations, Mathematical Modeling, Physics, Engineering Calculations, Scripting, C# (Programming Language), Linear Algebra, Applied Mathematics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, Selenium (Software), Apache Maven, CI/CD, Object Oriented Programming (OOP), JUnit, Java, Software Design Patterns, Test Automation, Software Testing, Maintainability, Test Case, Browser Compatibility, Software Design, Test Execution Engine
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud-Native Computing, Docker (Software), .NET Framework, ASP.NET, Application Deployment, Development Environment, Nginx, YAML, Proxy Servers, Web Servers, Scalability, Microsoft SQL Servers
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Needs Assessment, Entrepreneurship, Innovation, Community Outreach, Initiative and Leadership, Social Impact, Leadership Development, Education and Training, Creativity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Network Security, Business Continuity, Disaster Recovery, Cryptography, Encryption, Infrastructure as Code (IaC), Software-Defined Networking, Identity and Access Management, Security Controls, Computer Networking, System Monitoring, User Accounts, Authorization (Computing), Authentications
Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Responsive Web Design, Web Design, HTML and CSS, Web Design and Development, Cascading Style Sheets (CSS), Usability, Web Content Accessibility Guidelines, User Interface and User Experience (UI/UX) Design, User Experience, Javascript, Front-End Web Development, Hypertext Markup Language (HTML), GitHub
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Web Services, Amazon DynamoDB, Amazon S3, Data Storage Technologies, Data Store
Mixed · Course · 1 - 4 Weeks