There is no javax.jnlp eclipse it?

import javax.jnlp.FileContents;
import javax.jnlp.FileOpenService;
import javax.jnlp.ServiceManager;

all say The import javax.jnlp cannot be resolved
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Download jdk-7u45-windows-i586-demos.zip found \ sample \ jnlp \ servlet \ jnlp.jar added to your classpath which should be on the
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Yes !
I was looking at java how to program 9th 23.2