alloc 和 init都做了什么验证。

 1 //
 2 //  main.m
 3 //  alloc.initTest
 4 //
 5 //  Created by LongMa on 2019/5/30.
 6 //  Copyright © 2019. All rights reserved.
 7 //
 8 
 9 #import <Foundation/Foundation.h>
10 
11 int main(int argc, const char * argv[]) {
12     @autoreleasepool {15         
16         NSObject *obj1 = [NSObject alloc];
17         NSLog(@"%p",obj1);
18         
19         NSObject *obj2 = [obj1 init];
20         NSObject *obj3 = [obj1 init];
21         NSLog(@"%p",obj2);
22         NSLog(@"%p",obj3);
23     }
24     return 0;
25 }