oc_study16 @property和@synthesize

//内容： @property与@synthesize property//时间： 2015.3.12//作者：sekey#import <Foundation/Foundation.h>@interface Person : NSObject{    int _age;    int _weight;}@property int age;@property int weight;@end@implementation Person@synthesize age = _age;@synthesize weight = _weight;@endint main(void){    Person * p = [Person new];    p.age = 15;    p.weight = 10;    NSLog(@"age = %i, weight = %i", p.age, p.weight);    return 0;}