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Re: java.lang.Class inner class methods

From: Eric Blake
Subject: Re: java.lang.Class inner class methods
Date: Thu, 2 Aug 2001 11:50:11 +0100

Not so.  '$' is a legal identifier character, so I can compile a non-inner
class as follows:

class X$Y {}

In order to detect inner classes in the VM (or in a compiler when reading
.class files), you MUST read the attributes, rather than relying on the
naming convention in the inner class specification.

It would be nice if Sun would give compilers a guaranteed namespace that
cannot conflict with user identifiers, but that has not happened yet...

Original message:
 Thu, 2 Aug 2001 11:22:54 +0200 (MET DST)

The inner class "Y" of class "X" is compiled as "X$Y".
So if a class name contains "$", it must be an innerclass.

This is documentend in the Innerclass specification,
in section "Class Name Transformation"


Eric Blake, Elixent, Castlemead, Lwr Castle St., Bristol BS1 3AG, UK
address@hidden   tel:+44(0)117 917 5611

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