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 ;

}