Deployment: It provides an easy and convenient way to deploy Java programs on various platforms, such as desktops, servers, and mobile devices.Internationalization: It provides support for internationalization and localization, which allows Java programs to run in different languages and regions.Platform Independence: Java programs that run on JRE are platform-independent, which means that they can run on any platform that has JRE installed, regardless of the underlying hardware or operating system.Automatic Memory Management: It includes automatic memory management, which means that the JVM automatically manages the allocation and deallocation of memory for Java programs.It includes features such as sandboxing, code signing, and permission-based access control. Security: It provides a robust security model that ensures that Java programs run in a secure environment.These libraries include collections, I/O, networking, security, and many other features. Class Libraries: It includes a set of class libraries that provide a wide range of functionality for Java programs.Java Virtual Machine (JVM): JRE includes a Java Virtual Machine (JVM), which is responsible for executing Java bytecode.It's the platform for launching careers, exploring human-to-digital interfaces, architecting the world's best applications, and unlocking innovation everywhere-from garages to global organizations. From laptops to datacenters, game consoles to scientific supercomputers, cell phones to the Internet, Java is everywhere! It is at the heart of the digital lifestyle. The program is fast, secure, and reliable.

There are lots of applications and websites that will not work unless you have Java installed, and more are created every day. It is a programming language and computing platform first released by Sun Microsystems in 1995.

Java runtime environment 1.60