Java is a popular programming language used to create secure, reliable, and high-performance applications. It is used to develop applications for desktop, web, mobile, and enterprise systems. Java is free, open-source, and platform-independent.
Ruby is a dynamic, open source programming language with a focus on simplicity and productivity. It has an elegant syntax that is natural to read and easy to write. With a growing community of developers, Ruby is a great choice for web development, scripting, and more.