//
//  main.m
/*
类的创建练习
*/


#import <Foundation/Foundation.h>

@interface Person:NSObject
{
    @public
    NSString *_name;
    int _age;
    float _weight;

}
-(void)eat:(NSString *) foodName ;
-(void)walk:(int) num;
@end

@implementation Person

-(void)eat:(NSString *) foodName{
    _weight +=0.6f;
    NSLog(@"您吃了%@，当前体重为：%.2f",foodName,_weight);
}
-(void)walk:(int)num{
    _weight -= num/100*0.2f;
    NSLog(@"您走了%d步，当前体重为：%.2f",num,_weight);

}
@end
int main(int argc, const char * argv[]) {
    @autoreleasepool {
        Person  *p = [Person new];
        
        p->_name = @"史密斯.李";
        p->_weight = 160.0f;
        p->_age = 18;
        
        [p eat:@"回锅肉"];
        [p eat:@"麻辣烫"];
        
        [p walk:10600];
      
    }
    return 0;
}

赞一个，加油

赞一个，加油 啊