Объявление классов
// ---- @interface ----
@interface Fraction : NSObject { // inherit from NSObject
int numerator;
int denominator;
}
- (void)print;
- (void)setNumerator:(int)n;
- (void)setDenominator:(int)d;
@end
// ---- @implementation ----
@implementation Fraction // you can optionally specify :NSObject after Fraction
- (void)print { NSLog(@"%i/%i", numerator, denominator); }
- (void)setNumerator:(int)n { numerator = n; }
- (void)setDenominator:(int)d { denominator = d; }
@end
(
Читать дальше
)