Objective-C set default value for a property

Question

I'm making an app, and I have a class with quite a lot properties and I was wondering if it was possible to give them a default value. Because if I make an init method, it's a lot of work to type everything, there's a big chance of typo's and it's just not nice coding...

This is how my class looks like:

// Goalkeeping attributes
@property (nonatomic) int aerialAbility;
@property (nonatomic) int commandOfArea;
@property (nonatomic) int communication;
@property (nonatomic) int eccentricity;
@property (nonatomic) int handling;
@property (nonatomic) int kicking;
@property (nonatomic) int oneOnOnes;
@property (nonatomic) int reflexes;
@property (nonatomic) int rushingOut;
@property (nonatomic) int tendencyToPunch;
@property (nonatomic) int throwing;

// Technical attributes
@property (nonatomic) int corners;
@property (nonatomic) int crossing;
@property (nonatomic) int dribbling;
@property (nonatomic) int finishing;
@property (nonatomic) int firstTouch;
@property (nonatomic) int freeKickTaking;
@property (nonatomic) int heading;
@property (nonatomic) int longShots;
@property (nonatomic) int longThrows;
@property (nonatomic) int marking;
@property (nonatomic) int passing;
@property (nonatomic) int penaltyTaking;
@property (nonatomic) int tackling;
@property (nonatomic) int technique;

// Mental attributes
@property (nonatomic) int aggression;
@property (nonatomic) int anticipation;
@property (nonatomic) int bravery;
@property (nonatomic) int composure;
@property (nonatomic) int concentration;
@property (nonatomic) int creativity;
@property (nonatomic) int decisions;
@property (nonatomic) int determination;
@property (nonatomic) int flair;
@property (nonatomic) int influence;
@property (nonatomic) int offTheBall;
@property (nonatomic) int positioning;
@property (nonatomic) int teamwork;
@property (nonatomic) int workRate;

// Physical attributes
@property (nonatomic) int acceleration;
@property (nonatomic) int agility;
@property (nonatomic) int balance;
@property (nonatomic) int jumping;
@property (nonatomic) int naturalFitness;
@property (nonatomic) int pace;
@property (nonatomic) int stamina;
@property (nonatomic) int strength;

So then, in the implementation, I'm doing something like:

@synthesize aerialAbility = _aerialAbility;

And I was wondering if it would be possible to do this:

@interface MyClass : NSObject
@property (nonatomic) int someProperty;

@end

@implementation MyClass
@synthesize someProperty = _someProperty = 10;
@end

I know this won't work, and this doesn't right at all, but I was wondering if there's a way to do something like this.

Like in java you can:

class MyClass
{
private int someProperty = 10;
public int getSomeProperty(){return someProperty;}
public void setSomeProperty(int someProperty){this.someProperty = someProperty;}
}

Answer 1

Another possibility would be to override the default getters for the properties. In your getters, you can look to see if the values were initialized and, if not, return your default value. (That would work for some property types but not for others, clearly - you need the default value to be one that indicates that no value was set.)