Cylinder And Circle, Objective-C

Language: Layout:

//gcc 5.0.4

#import <Foundation/Foundation.h>

@interface MyCircle : NSObject
{
    float radius;
}
-(void)setRadius:(float)r;
-(void)getRadius;
-(void)getArea;
@end

@implementation MyCircle
-(void)setRadius:(float)r
{
    radius = r;
}
-(void)getRadius
{
    NSLog(@"Radius : %f",radius);
}
-(void)getArea
{
    float area = 3.14*radius*radius;
    NSLog(@"Area of Circle : %f",area);
}
@end

@interface MyCylinder : MyCircle
{
    float height;
}
-(void)setHeight:(float)h;
-(void)getHeight;
-(void)getVolume;
@end

@implementation MyCylinder
-(void)setHeight:(float)h
{
    height = h;
}
-(void)getHeight
{
    NSLog(@"height : %f",height);
}
-(void)getVolume
{
    float volume = 3.14*radius*radius*height;
    NSLog(@"Volume of Cylinder : %f",volume);
}
@end    
    
int main (int argc, const char * argv[])
{
    MyCylinder *c1 = [[MyCylinder alloc] init];
          
    [c1 setRadius:2];
    [c1 setHeight:2];
    [c1 getRadius];
    [c1 getHeight];
    [c1 getArea];
    [c1 getVolume];
    
     return 0;
}

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Compilation time: 0.23 sec, absolute running time: 0.12 sec, cpu time: 0.07 sec, memory peak: 9 Mb, absolute service time: 0,35 sec