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literals

karthika gkumar
Greenhorn

Joined: Apr 15, 2008
Posts: 6
java is case sensitive. but while representing hexadecimal numbers both upper case and lower case letters allowed. how it is possible?
Campbell Ritchie
Sheriff

Joined: Oct 13, 2005
Posts: 36579
    
  16
Are you going to say you think it should be programmed to accept only 0xffff or 0XFFFF and not both?
You can program a lexer to be case sensitive or case insensitive, or even to change case. So you can have OxFfFf, just as you can declare a float literal as 12.345f or 12.345F.
 
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subject: literals
 
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