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: Information Technology Operations, Disaster Recovery, Document Management, Incident Response, Information Technology, Change Control, Safety and Security, Technical Communication, Linux, Microsoft Windows, Personally Identifiable Information, Remote Access Systems, Scripting, Electrical Safety, Artificial Intelligence, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), Web Development Tools, Javascript, Unit Testing, Web Applications, Object Oriented Programming (OOP), Scripting Languages, Event-Driven Programming, Node.JS, Scripting, JSON, Computer Programming, Data Structures, Debugging, Package and Software Management, Program Development, Front-End Web Development, Functional Design
Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Automation, Eclipse (Software), Software Testing, UI Components, Integrated Development Environments, Web Applications, Java Programming, Functional Testing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Software Testing, Test Case, .NET Framework, Test Automation, Testability, Integration Testing, Microsoft Visual Studio, Debugging, C# (Programming Language), Mockups
Beginner · Course · 1 - 3 Months

Skills you'll gain: ASP.NET, .NET Framework, Software Design Patterns, Maintainability, Software Architecture, Object Oriented Design, C# (Programming Language), Microsoft Visual Studio, API Design, Restful API, Development Testing, User Interface (UI), Debugging, Unit Testing, Systems Architecture, Front-End Web Development, Integration Testing, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unit Testing, JUnit, Integration Testing, Restful API, Test Driven Development (TDD), Software Testing, Java Programming, Hibernate (Java)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, C# (Programming Language), Microsoft Visual Studio, Application Programming Interface (API), Web Development Tools, Restful API, Microsoft Azure, Web Applications, Application Development, Development Environment, Middleware
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Gherkin (Scripting Language), Debugging, Integration Testing, Software Design Patterns, Test Data, Scripting, Web Development Tools, Data Structures, Automation, SQL, Cascading Style Sheets (CSS), MySQL, Hypertext Markup Language (HTML)
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Model View Controller, Spring Framework, Java, Security Assertion Markup Language (SAML), Web Applications, Software Architecture, Transaction Processing, Data Validation, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Programming Principles, Computer Programming, Object Oriented Programming (OOP), Performance Tuning, Data Structures, Java Programming, Java, Computational Thinking, Computer Science, Algorithms, Animations, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Identity and Access Management, Google Cloud Platform, Cloud Infrastructure, Cloud Management, Cloud Computing, Data Storage, Cloud Storage, Data Security, User Provisioning, Encryption, System Monitoring, Role-Based Access Control (RBAC), Security Management, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Infrastructure, Google Cloud Platform, Identity and Access Management, Infrastructure As A Service (IaaS), Cloud Computing, Cloud Management, Data Storage, Cloud Storage, System Monitoring, Security Management, NoSQL, Encryption, Scalability
Intermediate · Course · 1 - 3 Months