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What is JRE?
JRE is a virtual Java machine (JVM), core classes and library files needed to run Java-based applications.
JRE is a part of JVM bytecode transformations necessary for a specific operating system calls.
JRE is a set of core classes and library files needed to run Java-based applications.
JRE - is part of JDK, which includes only the basic library classes.
Explanation
JRE (java runtime environment) is a part of JDK (java development kit) necessary to run java applications. JRE includes JVM, library classes, and executable files that are specific to a particular operating system.
java virtual machine
jdk
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