iOS从零基础到精通就业－OC语言入门 属性2

//
//  Car.h
//  属性
//
//  Created by 蓝鸥 on 16/7/29.
//  Copyright © 2016年 luanbin. All rights reserved.
//

#import 

@interface Car : NSObject
{
//    NSString *_brand;
//    float _price;
}
//属性声明
@property NSString *brand;
@property float price;
//属性到底做了什么？？？
/*
 1,自动生成以_开头的实例变量
 2，自动生成set get的声明
 3，自动生成set get的实现
 */

//set get
//-(void)setBrand:(NSString *)brand;
//-(NSString *)brand;

//-(void)setPrice:(float)price;
//-(float)price;


//自定义初始化方法
-(id)initWithBrand:(NSString *)brand price:(float)price;

-(void)run;
-(void)stop;

@end



//
//  Car.m
//  属性
//
//  Created by 蓝鸥 on 16/7/29.
//  Copyright © 2016年 luanbin. All rights reserved.
//

#import "Car.h"

@implementation Car

//@synthesize brand = _brand;
//@synthesize price = _price;

//-(void)setBrand:(NSString *)brand
//{
//    _brand = brand;
//}
//-(NSString *)brand
//{
//    return _brand;
//}
//
//-(void)setPrice:(float)price
//{
//    _price = price;
//}
//-(float)price
//{
//    return _price;
//}



-(id)initWithBrand:(NSString *)brand price:(float)price
{
    self = [super init];
    if (self) {
        _brand = brand;
        _price = price;
    }
    return self;
}

-(void)run
{
    NSLog(@"车正在疾驰");
}

-(void)stop
{
    NSLog(@"停车");
}



@end