ex3.m

//////////////////////////////

//ex3 demonstrates:

//instance variables

// I would like to keep this Jump Start simple without adding extra syntax but it is worth noting that there are three access modifiers: @public, @private and @protected

//Objective-c does not support class variables only instance level variables (you can declare a static variable outside @interface, though)

//////////////////////////////

#include <Foundation/Foundation.h>

@interface MyClass: NSObject

{

int myInteger; // instance variables go between the curly braces in the @interface section.

}

-(void) setInteger: (int) n;

-(int) getInteger;

@end

@implementation MyClass

-(void) setInteger: (int) n;

{

myInteger = n;

}

-(int) getInteger

{

return myInteger;

}

@end

int main(void)

{

MyClass *myInstance = [MyClass new];

[myInstance setInteger: 123];

int AnInteger;

AnInteger= [myInstance getInteger];

printf("The integer is: %i \n\r", AnInteger);

return 0;

}

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