//

//  main.m

//  OcTest1

//

//  Created by WildCat on 13-7-22.

//  Copyright (c) 2013年 wildcat. All rights reserved.

//

#import <Foundation/Foundation.h>

#import "Student.h"

#import "Person.h"

int main(int argc, const char * argv[])

{

    @autoreleasepool {

    //定义一个对象分为看两部

//        //1.分配内存

//        Student *stu=[Student alloc];

//        //2.实例化

//        stu=[stu init];

        //Person 点语法练习

        //实例化对象

        Person *person=[[Person alloc] init];

        person.age=22;//相当于 [person setAge:22];

        NSLog(@"Person's age is: %i.",person.age);//相当于 NSLog(@"Person's age is: %i.",[person age]);

            }

[person release];

    return 0;

}

Person头文件

#import <Foundation/Foundation.h>

@interface Person : NSObject{

    int _age;

}

-(int)age;

-(void)setAge:age;

@end

Person实现文件

#import "Person.h"

@implementation Person

-(int)age{

    return  _age;

}

-(void)setAge:age{

    _age=age;

}

@end