Inheritance Example, Objective-C

Inheritance Example

//gcc 5.0.4
#import <Foundation/Foundation.h>
@interface Car:NSObject{
    CGFloat price;
    NSString *fuelType;
    NSInteger engine;
    NSString *model;
    NSInteger seatingCapacity;
}
  - (id)initWithModel:(NSString *)Model andPrice:(CGFloat)Price andEngine:(NSInteger)Engine andSeatingCapacity:(NSInteger)SeatingCapacity andFuelType:(NSString *)FuelType;
  - (void) print;
@end
@implementation Car
- (id)initWithModel:(NSString *)Model andPrice:(CGFloat)Price andEngine:(NSInteger)Engine andSeatingCapacity:(NSInteger)SeatingCapacity andFuelType:(NSString *)FuelType {
   model = Model;
   price = Price;
   seatingCapacity=SeatingCapacity;
   fuelType=FuelType;
   engine=Engine;
   return self;
}

- (void) print {
           NSLog(@"Model: %@", model);
           NSLog(@"Price: Rs. %f lakhs", price);
           NSLog(@"Engine: %ld cc", engine);
           NSLog(@"Fuel Type: %@", fuelType);
           NSLog(@"Seating Capacity: %ld", seatingCapacity);
        }
@end
@interface RenaultKwid :Car{
        NSInteger speed;
    }
    - (id)initWithModel:(NSString *)Model andPrice:(CGFloat)Price andEngine:(NSInteger)Engine andSpeed:(NSInteger)Speed andSeatingCapacity:(NSInteger)SeatingCapacity andFuelType:(NSString *)FuelType;
    - (void) print;
@end
@implementation RenaultKwid
- (id)initWithModel:(NSString *)Model andPrice:(CGFloat)Price andEngine:(NSInteger)Engine andSpeed:(NSInteger)Speed andSeatingCapacity:(NSInteger)SeatingCapacity andFuelType:(NSString *)FuelType {
   model = Model;
   price = Price;
   seatingCapacity=SeatingCapacity;
   fuelType=FuelType;
   engine=Engine;
   speed=Speed;
   return self;
}

- (void) print {
            NSLog(@"showing RenaultKwid %@ model details",model);
            NSLog(@"Price: Rs. %f lakhs", price);
            NSLog(@"Engine: %ld cc", engine);
            NSLog(@"Speed: %ld kmph",speed);
            NSLog(@"Fuel Type: %@", fuelType);
            NSLog(@"Seating Capacity: %ld", seatingCapacity);
        }
@end
@interface MarutiSantro:Car
      - (id)initWithModel:(NSString *)Model andPrice:(CGFloat)Price andEngine:(NSInteger)Engine andSeatingCapacity:(NSInteger)SeatingCapacity andFuelType:(NSString *)FuelType;
      - (void) print;
@end
@implementation MarutiSantro
- (id)initWithModel:(NSString *)Model andPrice:(CGFloat)Price andEngine:(NSInteger)Engine andSeatingCapacity:(NSInteger)SeatingCapacity andFuelType:(NSString *)FuelType {
   model = Model;
   price = Price;
   seatingCapacity=SeatingCapacity;
   fuelType=FuelType;
   engine=Engine;
   return self;
}

- (void) print {
           NSLog(@"showing MarutiSantro %@ model details",model);
           NSLog(@"Price: Rs.%f lakhs", price);
           NSLog(@"Engine: %ld cc", engine);
           NSLog(@"Fuel Type: %@", fuelType);
           NSLog(@"Seating Capacity: %ld", seatingCapacity);
}
@end
@interface MarutiDzire :Car
     - (id)initWithModel:(NSString *)Model andPrice:(CGFloat)Price andEngine:(NSInteger)Engine andSeatingCapacity:(NSInteger)SeatingCapacity andFuelType:(NSString *)FuelType;
     - (void) print;
@end
@implementation MarutiDzire
- (id)initWithModel:(NSString *)Model andPrice:(CGFloat)Price andEngine:(NSInteger)Engine andSeatingCapacity:(NSInteger)SeatingCapacity andFuelType:(NSString *)FuelType {
   model = Model;
   price = Price;
   seatingCapacity=SeatingCapacity;
   fuelType=FuelType;
   engine=Engine;
   return self;
}

- (void) print {
           NSLog(@"showing MarutiDzire %@ model details",model);
           NSLog(@"Price: Rs.%f lakhs", price);
           NSLog(@"Engine: %ld cc", engine);
           NSLog(@"Fuel Type: %@", fuelType);
           NSLog(@"Seating Capacity: %ld", seatingCapacity);
}
@end
@end
@interface MarutiErtisa:Car
 - (id)initWithModel:(NSString *)Model andPrice:(CGFloat)Price andEngine:(NSInteger)Engine andSeatingCapacity:(NSInteger)SeatingCapacity andFuelType:(NSString *)FuelType;
- (void) print;
@end
@implementation MarutiErtisa
- (id)initWithModel:(NSString *)Model andPrice:(CGFloat)Price andEngine:(NSInteger)Engine andSeatingCapacity:(NSInteger)SeatingCapacity andFuelType:(NSString *)FuelType {
   model = Model;
   price = Price;
   seatingCapacity=SeatingCapacity;
   fuelType=FuelType;
   engine=Engine;
   return self;
}

- (void) print {
           NSLog(@"showing MarutiErtisa %@ model details",model);
           NSLog(@"Price: Rs.%f lakhs ", price);
           NSLog(@"Engine: %ld cc", engine);
           NSLog(@"Fuel Type: %@", fuelType);
           NSLog(@"Seating Capacity: %ld", seatingCapacity);
}
@end
int main (int argc, const char * argv[])
{
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
    RenaultKwid  *car = [[RenaultKwid alloc]initWithModel:@"STD" andPrice:2.61 andEngine:799 andSpeed:135 andSeatingCapacity:5 andFuelType:@"Petrol"];
       [car print];
    MarutiSantro  *car1 = [[MarutiSantro alloc]initWithModel:@"Sportz" andPrice:5.02 andEngine:1086 andSeatingCapacity:5 andFuelType:@"Petrol"];
       [car1 print];
    [pool drain];
    return 0;
}


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