java virtual machine
Post on 28-Jan-2015
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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
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