7th Day @ Noida: Aware of JVM

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Hi Readers!
Today I have learnt about JVM in Java.

What is JVM?
  • A specification where the working of Java Virtual Machine is specified. But implementation provider is independent to choose the algorithm. Its implementation has been provided by Oracle and other companies.
  • An implementation Its implementation is known as JRE (Java Runtime Environment).
  • Runtime Instance Whenever you write java command on the command prompt to run the java class, an instance of JVM is created.


What it does?
The JVM performs the following operation:

Loads code
Verifies code
Executes code
Provides runtime environment
JVM provides definitions for the:

Memory area
Class file format
Register set
Garbage-collected heap
Fatal error reporting etc.

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