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DO I have to install a Java Runtime to run Java on my PC?

 
Bruce Jin
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When PC makers will pre-installed a JRE?
 
Cindy Glass
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Some do - some don't.
Go to the DOS prompt on your PC and type
>set
and look to see if there is a classpath set.
Or, better, you could scan your hard drive for "rt.jar", in case it is loaded but the classpath not set.
 
Bruce Jin
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thanks for the tip Cindy.
 
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