Answer Posted / laxmi narayana moru

jdk:
jdk means java development kit which contains the set of
tools like javac,java,javap,javah,javadoc to run the java
programme...
jre:
jre means java runtime environment which contains jdk and
java api
jdk is nothing but set of tools
api is a collection of predefined classes and interfaces
jvm:
jvm means java virtual machine which converts the byte code
into machine code which is understandable by the current
machine...

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