decimal/octal/hexadecimal in Java

int decVal = 26;     // The number 26, in decimal
int octVal = 032;     // The number 26, in octal
int hexVal = 0x1a;    // The number 26, in hexadecimal

like is there any speed advantage in what you choose?

section_3_1_1 = do

   withdraw 25
   withdraw 25
   Control.Exception.catch (withdraw 60 >>= print) print
   withdraw 15
   readIORef balance >>= print

   newWithdraw' <- newWithdraw
   newWithdraw' 25
   newWithdraw' 25
   Control.Exception.catch (newWithdraw' 60 >>= print) print
   newWithdraw' 15 >>= print

   b1 <- newIORef 100
   let w1 = makeWithdraw b1
   b2 <- newIORef 100
   let w2 = makeWithdraw b2
   w1 50
   w2 70
   Control.Exception.catch (w2 40 >>= print) print
   w1 40
   readIORef b1 >>= print
   readIORef b2 >>= print

   acc <- makeAccount 100
   accountWithdraw acc 50
   Control.Exception.catch (accountWithdraw acc 60 >>= print) print
   accountDeposit acc 40
   accountWithdraw acc 60
   accountBalance acc >>= print

   acc2 <- makeAccount 100