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JAVA VIRTUAL MACHINE

Made by-SAGAR TOKAS

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Four Components(technologies)◦ Java programming language ◦ Java class file◦ Java API◦ Java virtual machine

Java Architecture

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Java Programming Environment

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JAVA RUNTIME SYSTEM

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Working part1

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Working part2

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Example

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Basic Block diagram of JVM

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Byte code

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Abstract specification Implementation Run-time instance

JVM consist -

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Its the behavior of a virtual machine instance is described in terms of subsystems memory areas data types instructions. 

Abstract Specification

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Implementation

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It run one Java application. When a Java application starts, a runtime

instance is born. When the application completes, the

instance dies. A Java virtual machine instance starts

running its application by invoking the main() method of some initial class.

Run-time instance

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Loads code Verifies code Execution code Provides runtime environment

Task of JVM