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difference between jvm, jre, jdk and sdk

ilias basha
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Joined: Nov 27, 2008
Posts: 55

Can anybody give a brief difference between

jvm, jre, jdk and sdk.

as these terms are widely used in the java documentation, i want to have a basic understanding of these...
Campbell Ritchie
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Joined: Oct 13, 2005
Posts: 44038
    
  33
Have you looked on Google? You would have found useful things like this.
Henry Wong
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Joined: Sep 28, 2004
Posts: 20057
    
  44

ilias basha wrote:Can anybody give a brief difference between

jvm, jre, jdk and sdk.

as these terms are widely used in the java documentation, i want to have a basic understanding of these...


JDK and SDK are the same thing -- no idea why there are separate terms. JRE is only the runtime environment, which means it is the JDK minus the compiler and other stuff needed for development. JVM is one component of the JRE -- the virtual machine.

Henry


Books: Java Threads, 3rd Edition, Jini in a Nutshell, and Java Gems (contributor)
ilias basha
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Joined: Nov 27, 2008
Posts: 55

thanks a lot henry
 
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