||Readable Java 1.5|
Response to: interesting, but...
Java's keywords are reserved -- you can't
use any of the keywords as variables or
method names. Making an exception for "in"
isn't just a matter of making it "difficult"
to write the compiler, it's a radical change
in the language structure that would require
the lexer to be context-sensitive. Sun would
(justifiably) never ever make such a change, so
it's pointless to debate the value of an "in" keyword.