BookAuther, Objective-C

Language: Layout:

//gcc 5.0.4

#import <Foundation/Foundation.h>

@interface Author : NSObject

{
    NSString *AName;
    NSString *AEmail;
    char *AGender;
}
- (id)initWithName:(NSString *)name andEmail:(NSString *)email andGender:(char *)gender;
- (void)print;
@end

@implementation Author

- (id)initWithName:(NSString *)name andEmail:(NSString *)email andGender:(char *)gender{
    AName = name;
    AEmail = email;
    AGender = gender;
    return self;
}

- (void)print{
    NSLog(@"Name: %@", AName);
    NSLog(@"Email: %@", AEmail);
    NSLog(@"Gender: %@", AGender);
}

@end
    
@interface Book : Author
{
    NSString *BookAuthor;
    NSInteger BookPrice;
}
//- (id)initWithName:(NSString *)name andEmail:(NSString *)email andGender:(char *)gender andAuthor:(NSString *)author andPrice:(NSInteger)price;
- (id)initWithName:(NSString *)name andEmail:(NSString *)email andGender:(char *)gender;
- (void)print;
@end
   
@implementation Book

- (id)initWithName:(NSString *)name andEmail:(NSString *)email andGender:(char *)gender{
    AName = name;
    AEmail = email;
    AGender = gender;
    return self;
}
- (id)initWithName:(NSString *)name andEmail:(NSString *)email andGender:(char *)gender andAuthor:(NSString *)author andPrice:(NSInteger)price
{
    AName = name;
    AEmail = email;
    AGender = gender;
    BookAuthor = author;
    BookPrice = price;
    return self;
}

- (void)print;
{
    NSLog(@"Name: %@", AName);
    NSLog(@"Age: %@", AEmail);
    NSLog(@"Gender: %c", AGender);
   //  NSLog(@"A: %@", BookAuthor);
   // NSLog(@"P: %d", BookPrice);
 
}

@end
    
int main (int argc, const char * argv[])
{      
    /*NSLog(@"Base class Author Object");
    Author *author = [[Author alloc]initWithName:@"Raj" andEmail:@"abc@gmail.com" andGender:@"M"];
    [author print];*/
    NSLog(@"Inherited Class Book Object");
    Book *book = [[Book alloc]initWithName:@"Raj" andEmail:"abc@gmail.com" andGender:@"M" andAuthor:@"me" andPrice:45];
    //Book *book = [[Book alloc]initWithName:(NSString *)@"ABC" andEmail:(NSString *)@"test@gmai.com" andGender:(char *)'a' andAuthor:@"test" andPrice:100];
   
    [book print];        
    
    return 0;
}

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Compilation time: 0.23 sec, absolute running time: 0.11 sec, cpu time: 0.08 sec, memory peak: 9 Mb, absolute service time: 0,35 sec