iOS ARC下内存管理使用非自己生成对象的相关问题

@interface CustomedObj:NSObject

+ (instancetype) methodInit;
@end

@implementation CustomedObj

+ (instancetype)methodInit {
    CustomedObj *temp = [[CustomedObj alloc] init];
    return temp;
}

- (void) print {
    NSLog(@"==== Customed Object print");
}

- (void)dealloc {
    NSLog(@"对象即将被析构");
}
@end@interface CustomedObj:NS