Answer Posted / nisid ranjan jena

JDK stands for Java Development tool. It consists of many
tools like java compiler , java interpreter,java
debugger,javadoc etc to develop java application.It
basically consists of various binary executable files to
develop application.
JRE stands for Java Runtime Enviornment .it gives runtime
enviornment to execute java programmes.It consists of
JVM,java library APIs,Java interpreter and java browser plug
ins to execute java applications.
JVM is a virtual machine which provides an interface to
convert byte code instructions to machine understandable
instructions.JVM is an implementation of of JRE.JVM is
system dependent.JVM is a part of both JDK and JRE.

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