To use the JRE, users must typically meet specific System Requirements :
The term "Java 2" (J2RE) specifically refers to versions of the platform ranging from . While the branding changed later to Java SE , many legacy systems and installers still use the "Java 2" designation. Requirements & Installation
A collection of pre-written code (classes and helper files) that provides common functionality like data handling, networking, and input/output operations. Historical Context: "Java 2"
An interpreter that executes the Java code.