2011/1/11 Murali Venugopal <[email protected]> > > now i've found that, using the "$" symbol is optional. buf if you use it on > a variable declaration, it's mandatory that you've to specify on further > reference of that variable. today's findings... :-) >
In Java, '$' is valid in identifiers, just like a letter or '_'. Docs explain that using the dollar sign may help you to distinguish between bound variables and field names. -w
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