JVM

Java Provides two types of HotSpot Java Virtual Machine

client VM : client VM is tuned for reducing startup time and memory footprint by invoking the -client JVM .

server VM : server VM is designed for maximum program execution speed by invoking the -server JVM.

JDK :JDK is a collection of tools for deleloping java applications .we can compile programs written in java and run them in jvm.

JRE:JRE consistes java platform core classes and supporting java platform libraries to run java applicaiton on your computer .

JVM :JVM is platform independent execution environment that converts java byte code to machine language and executes .