objective-c 的私有方法
接口定义:
#import "Fraction.h"int main(int argc,const char *argv[]){Fraction *frac = [[Fraction alloc] init];[frac setNumerator:1];[frac setDenominator:3];printf("the fraction is :");[frac print];printf("\n");[frac numerator];[frac release];return 0;}