char values

[dhana rangu]

hi all ! can anyone help me in this

class test
{
  public static void main(String args[])
  {
    char[] unique= {'\u0030',,'\u0031'};
    System.out.println(unique[0]);    
  }
}

The o/p i am getting is '0'.How is this...does'\u0030' means 0..
plz help
dhana

[Rama Kumar PV]

Dhana,
The format for unicode escape is,
\ UnicodeMarker HexDigit HexDigit HexDigit HexDigit
where
UnicodeMarker:u
HexDigit: one of 0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F
So, you are actually, referring to hex value of 30 which in turn is ASCII value 48, which is a decimal 0. Hope this helps.
Rama

[dhana rangu]

ramakumar
thanks for ur reply..
but a small confusion

hex 0030 is decimal 48 and ascii 0 right???
dhana

[Rama Kumar PV]

Dhana,
You are correct.. There is a typo error there.. Thanks for pointing it out..
Cheers,
Rama