//
// Dog.h
// OC2-重写
//
// Created by qianfeng on 15/6/17.
// Copyright (c) 2015年 qianfeng. All rights reserved.
//
#import "Animal.h"
@interface Dog : Animal
{
float _weight;
}
@property (assign,nonatomic)float weight;
@end
//
// Dog.m
// OC2-重写
//
// Created by qianfeng on 15/6/17.
// Copyright (c) 2015年 qianfeng. All rights reserved.
//
#import "Dog.h"
//重写父类的继承过来的方法,不需要再次声明
@implementation Dog
-(
void)printAnimalInformation
{
NSLog(@"name=%@,age=%i,,weight=%.2f",_name,_age,_weight);
}
-(
void)showAnimalFood
{
NSLog(@"%@_____",[self
class]);
}
@end
//
// Animal.h
// OC2-重写
//
// Created by qianfeng on 15/6/17.
// Copyright (c) 2015年 qianfeng. All rights reserved.
//
#import <Foundation/Foundation.h>
@interface Animal : NSObject
{
NSString *
_name;
int _age;
}
@property (copy,nonatomic)NSString *
name;
@property(assign,nonatomic)int age;
-(
void)showAnimalFood;
-(
void)printAnimalInformation;
@end
//
// Animal.m
// OC2-重写
//
// Created by qianfeng on 15/6/17.
// Copyright (c) 2015年 qianfeng. All rights reserved.
//
#import "Animal.h"
@implementation Animal
-(
void)showAnimalFood
{
NSLog(@"%@_____",[self
class]);
}
-(
void)printAnimalInformation
{
NSLog(@"name=%@,age=%i",_name,_age);
}
@end
//
// main.m
// OC2-重写
//
// Created by qianfeng on 15/6/17.
// Copyright (c) 2015年 qianfeng. All rights reserved.
//
#import <Foundation/Foundation.h>
#import "Dog.h"
#import "Animal.h"
int main(
int argc,
const char *
argv[]) {
@autoreleasepool {
Dog *xiaobai =
[[Dog alloc] init];
xiaobai.name=
@"121";
xiaobai.age=
12;
xiaobai.weight=
12;
[xiaobai printAnimalInformation];
[xiaobai showAnimalFood];
Animal *xiaohei =
[[Animal alloc] init];
xiaohei.name=
@"xiaohei";
xiaohei.age=
11;
[xiaohei printAnimalInformation];
[xiaohei showAnimalFood];
}
return 0;
}
转载于:https://www.cnblogs.com/0515offer/p/4583066.html
