Programming in C

Defining an Objective-C Class to Work with Fractions 415

//------- @interface section -------

@interface Fraction: Object
{
int numerator;
int denominator;
}
-(void) setNumerator: (int) n;
-(void) setDenominator: (int) d;
-(void) print;

@end

//------- @implementation section -------

@implementation Fraction;

// getters

-(int) numerator
{
return numerator;
}

-(int) denominator
{
return denominator;
}
// setters

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

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

// other

-(void) print
{

Program 19.2 Continued