Answer Posted / malay

I think that you call only public classes from outside.Now
all these classe are kept in a .java file.So there should
be a one to one mapping between a public class
& .java/.class file.If there are more than one public
classes then JVM has to maintain a tracker that what all
classes are in single .java/.class file.Presently its easy
for JVM coz when a class is called it simply goes & load
the .class file with that name.

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