What is the difference between jvm and jre?

Question

can anyone explain the difference between the two things and their operations

Answer 1

jvm is the set of instructions which understands processes and executes the machine code. jre is installed on os it is the whole set of programs needed while running a Java program including that jvm

Answer 2

JVM is used by java to compile the java program whereas JRE is runtime environment used to run java program.