1#import <Foundation/NSObject.h> 2#import <stdio.h> 3 4@interface Fraction : NSObject { 5 int numerator; 6 int denominator; 7} 8-(void) print; 9-(void)setNumerator:(int)d; 10-(void)setDenominator:(int)d; 11-(int) numerator; 12-(int)denominator; 13-(void) setNumDen:(int)n:(int)d; 14@end 15 16@implementation Fraction 17-(void)print { 18 printf("%i/%i", numerator, denominator); 19} 20 21-(void) setNumerator:(int)n { 22 numerator = n; 23} 24 25-(void) setDenominator:(int)d { 26 denominator = d; 27} 28 29-(int) denominator { 30 return(denominator); 31} 32 33-(int) numerator { 34 return(numerator); 35} 36@end 37