The Java Runtime Environment (JRE), also known as Java Runtime, is the part of the Java Development Kit (JDK) that contains and orchestrates the set of tools and minimum requirements for executing a ...

The combination of the Java Virtual Machine (Java interpreter), the core class library and supporting files, all of which are required to run a Java program. See Java and Java Virtual Machine ...

A Java Archive, or JAR file, contains all of the various components that make up a self-contained, executable Java application, deployable Java applet or, most commonly, a Java library to which any ...