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 0;
}