OC5_复合类的内存管理

//
//  Person.h
//  OC5_复合类的内存管理
//
//  Created by zhangxueming on 15/6/18.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//
 
#import <Foundation/Foundation.h>
 
@interface Person : NSObject
//先release 再 copy
@property (copy,nonatomic) NSString *firstName;
//先release 再 retain
@property (retain, nonatomic)NSString *lastName;
//直接赋值
@property (assign, nonatomic)NSString *fullName;
 
@end

//
//  Person.m
//  OC5_复合类的内存管理
//
//  Created by zhangxueming on 15/6/18.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//
 
#import "Person.h"
 
@implementation Person
//在类内类外都应该遵守内存管理法则
- (void)dealloc
{
    NSLog(@"firstName release!!!");
    [_firstName release];
    NSLog(@"lastName release!!!");
    [_lastName release];
    [super dealloc];
}
 
@end

//
//  main.m
//  OC5_复合类的内存管理
//
//  Created by zhangxueming on 15/6/18.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//
 
#import <Foundation/Foundation.h>
#import "Person.h"
 
int main(int argc, const char * argv[]) {
    @autoreleasepool {
        Person *xiaoHua = [[Person alloc] init];
        [xiaoHua release];
    }
    return ;
}