objectC data type

refer to Addison Wesley - Programming.in.ObjectiveC.2.0.2nd (2009)

int main (int argc, char *argv[])
{
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
int    integerVar = 100;
float  floatingVar = 331.79;
double doubleVar = 8.44e+11;
char   charVar =  ‘ W ’ ;

long int numberOfPoints = 131071100L;  // "%li"

// of type  long int is formed by optionally appending the letter L (in
upper or lower case) onto the end of an integer constant.

long long int maxAllowedStorage;  //  “ %lli ”

long double US_deficit_2004 =1.234e+7L;  //

// So  %Lf would display a  long dou-
ble value in floating-point notation, %Le would display the same value in scientific nota-
tion, and  %Lg would tell  NSLog to choose between  %Lf and %Le .

short int  shintvalue ;  // %hi , %ho , or  %hx
unsigned int counter = 20000UL;

NSLog (@ ” integerVar = %i ” , integerVar);
NSLog (@ ” floatingVar = %f ” , floatingVar);
NSLog (@ ” doubleVar = %e ” , doubleVar);
NSLog (@ ” doubleVar = %g ” , doubleVar);
NSLog (@ ” charVar = %c ” , charVar);
[pool drain];
return 0;
}

integerVar = 100
floatingVar = 331.790009
doubleVar = 8.440000e+11
doubleVar = 8.44e+11
charVar =  ' W '