Ios-a+b Classic Questions

  main.m//  a+b//#import <Foundation/Foundation.h> #import "Calcultor.h" int main (int argc, const char * argv[]) {    calcultor * cal = [[Calcultor alloc]init];        [Cal Seta:10];    [Cal Setb:20];        int result = [cal add];    NSLog (@ "%d", result);        NSLog (@ "%d", [Cal Sub:10 Andb1:10]);    return 0;}

  calcultor.h//  a+b//#import <Foundation/Foundation.h> @interface calcultor:nsobject{    int _ A;    int _b;} /*set Get */@property int A; @property int b;-(int) add;-(int) sub: (int) A1 ANDB1: (int) B1; @end

  calcultor.m//  a+b//#import "Calcultor.h" @implementation calcultor-(ID) init{self    = [super init];    if (self! = nil)    {        _a = 0;        _b = 0;    }    return self;} -(int) add{    return _a + _b;    NSLog (@ "A+b");} -(int) sub: (int) A1 ANDB1: (int) B1; {    _a = A1;    _b = B1;    return _a + _b;} @end

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Ios-a+b Classic Questions