#import <Foundation/Foundation.h>

@interface Father : NSObject <NSCopying,NSMutableCopying>

@property (nonatomic,copy) NSString *name;

@property (nonatomic,retain) NSNumber *age;

-(id) initWithName:(NSString *)name withAge:(NSNumber *) age;

@end

#import "Father.h"

#import "Child.h"

@implementation Father

-(id) initWithName:(NSString *)name withAge:(NSNumber *) age{

    self=[super init];

    if(self!=nil){

        _name=name;

        _age=age;

    }

    return self;

}

//浅拷贝

-(id) copyWithZone:(NSZone *)zone{

    Father *father=[[[self class] allocWithZone:zone] init];

    father.name=_name;

    father.age=_age;

    return father;

}

//深拷贝

- (id)mutableCopyWithZone:(NSZone *)zone{

    Father *father=[[[self class] allocWithZone:zone] init];

    father.name=[_name mutableCopy];

    father.age=[_age copy];

    return self;

}

 NSLog(@"-------自定义对象浅拷贝---------");

        //浅拷贝学习

        Father *father=[[Father alloc] initWithName:@"caitou" withAge:[NSNumber numberWithInt:23]];

        Father *father2=[father copy];

        NSLog(@"对象地址：%p",father);

        NSLog(@"对象地址：%p",father2);

        NSLog(@"对象属性地址name：%p",[father name]);

        NSLog(@"对象属性地址name：%p",[father2 name]);

        NSLog(@"对象属性地址age：%p",[father age]);

        NSLog(@"对象属性地址age：%p",[father2 age]);

         NSLog(@"--------自定义对象深拷贝---------");

        //深拷贝

        Father *father4=[[Father alloc] initWithName:@"caitou" withAge:[NSNumber numberWithInt:25]];

        Father *father3=[father4 mutableCopy];

        NSLog(@"对象地址：%p",father4);

        NSLog(@"对象地址：%p",father3);

        NSLog(@"对象属性地址name：%p",[father4 name]);

        NSLog(@"对象属性地址name：%p",[father3 name]);

        NSLog(@"对象属性地址age：%p",[father4 age]);

        NSLog(@"对象属性地址age：%p",[father3 age]);

        NSLog(@"-------浅拷贝---------");

        NSArray *array1=[[NSArray alloc] initWithObjects:@"sdf", nil];

        NSArray *array2=[array1 copy];

        NSLog(@"%p",array1);

        NSLog(@"%p",array2);

        NSLog(@"-------深拷贝---------");

        NSMutableArray *mutableArray=[NSMutableArray arrayWithObject:@"sdfdf" ];

        NSMutableArray *mutableArray2=[mutableArray mutableCopy];

        NSLog(@"%p",mutableArray);

        NSLog(@"%p",mutableArray2);

        //总结：当copy一个不可变对象时，相当有retain,即引用记数加一，其他情况copy,mutablecopy都会分配空间复制内容