JAVA

WHAT IS JRE

• Java Runtime Environment :
	It physically exists. 
	The Java Runtime Environment provides
    the minimum requirements such as libraries
    and Class Loader for executing a 
    Java application on JVM. 
	It consists of the Java Virtual Machine
    core classes, and supporting files.

java jre

Under Java Platform, Standard Edition, select either the current release, or 
click Previous Releases to install an earlier supported version. You can use
either the JDK or JRE. The JDK includes the JRE. Do not use any non-supported
version or edition of the Java JRE or JDK.
  
cd android && ./gradlew --version

jre in java

• Java Runtime Environment : JRE is what we need to run a Java program 
and containsset of libraries and other files that JVM uses at run time. 
JRE = JVM + Library Classes