What Is Java Virtual Machine (JVM)?

JVM (Java Virtual Machine) is an abstract machine. It is a specification that provides runtime environment in which java bytecode can be executed.

JVMs are available for many hardware and software platforms (i.e. JVM is platform dependent).

What is JVM

1. A specification
2. An implementation Its implementation is known as JRE (Java Runtime Environment)
3. Runtime Instance 

What it does

The JVM performs following operation:

1. Loads code
2. Verifies code
3. Executes code
4. Provides runtime environment

JVM provides definitions for the:

1. Memory area
2. Class file format
3. Register set
4. Garbage-collected heap
5. Fatal error reporting etc.

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About Mariano

I'm Ethan Mariano a software engineer by profession and reader/writter by passion.I have good understanding and knowledge of AngularJS, Database, javascript, web development, digital marketing and exploring other technologies related to Software development.