prog3-1 <programming in obj-c 6/e>

prog3-1.m

**@interface** Fraction: NSObject

-(**void**) print;
-(**void**) setNumerator: (**int**) n;
-(**void**) setDenominator: (**int**) d;

**@end**

*// ————*

**@implementation** Fraction
{
    **int** numerator;
    **int** denominator;
}
-(**void**) print
{
    NSLog(@“%i/%i”, numerator, denominator);
}

-(**void**) setNumerator:(**int**)n
{
    numerator = n;
}

-(**void**) setDenominator:(**int**)d
{
    denominator = d;
}

**@end**

**int** main (**int** argc, **char** * argv[])
{
    **@autoreleasepool** {
        Fraction *myFraction = [[Fraction alloc] init];
        
        [myFraction setNumerator: 1];
        [myFraction setDenominator: 3];
        [myFraction print];
    }
    
    **return** 0;
}