What is jvm can any one tell ?

Answer 1

Google : Java Virtual Machine

https://www.sololearn.com/discuss/253495/?ref=app

Answer 2

Java Virtual Machine can run Java byte codes, a precompiled code

it makes possible the Java slogan "code one, run everywhere"

(joking) some people say: code one, debug everywhere 😁

Answer 3

JVM stand for Java Virtual Machine, which is, as name says, software that simulates machine on which java code is executed. That is what makes Java code easily executed on all platforms (operating systems).