Issue with the code in this chapter

[thomasp]

I have been using the code from this chapter and putting it into my BMITime project but keep getting issues with it that I can’t figure out myself. I was just wondering if anyone could help me with this. I am new to Objective-C and this has been a big learning curve for me but when I do make mistakes and then see the right way to do implement the code it suddenly clicks with me.

Here’s my code.

Main.m:

[code]//
// main.m
// BMITime
//
// Created by Thomas Paterson on 28/05/2014.
// Copyright © 2014 Big Nerd Ranch. All rights reserved.
//

#import <Foundation/Foundation.h>
#import “BNREmployee.h”
#import “BNRAsset.h”

int main(int argc, const char * argv[])
{

@autoreleasepool {
    
    //create an array of BNREmployee objects
    NSMutableArray *employees = [[NSMutableArray alloc]init];
    
    for (int i = 0; i < 10; i++) {
        //Create an instance
        BNREmployee *mikey = [[BNREmployee alloc]init];
        
        //Give values to the variables
        mikey.weightInKilos = 90 + 1;
        mikey.heightInMeters = 1.8 - i/10.0;
        mikey.employeeID = i;
        
        //Put in the array
        [employees addObject:mikey];
    }
    
    //Creat 10 assets
    for (int i = 0; i < 10; i++) {
        //Create an asset
        BNREmployee *asset = [[BNRAsset alloc]init];
        
        NSString *currentLabel = [NSString stringWithFormat:@"Laptop %d", i];
        asset.label = currentLabel;
        asset.resaleValue = 360 + i * 17;
        
        //Create a random number between 0-9 inclusive
        NSUInteger randomIndex = random() % [employees count];
        
        //Find that employee
        BNREmployee *randomEmployee = [employees objectAtIndex:randomIndex];
        
        //Assign the asset to the employee
        [randomEmployee addAsset:asset];
    }
    
    NSLog(@"Employees %@", employees);
    
    NSLog(@"Giving up ownership of one employee");
    
    [employees removeObject:5];
    
    NSLog(@"Giving up ownership of arrays");
    
    employees = nil;
    
    
}
return 0;

}

[/code] Errors: ‘Property ‘label’ not found on object of type BNREmployee’ and ‘Property ‘resaleValue’ not found on object of type BNREmployee’

BNREmployee.h:

[code]//
// BNREmployee.h
// BMITime
//
// Created by Thomas Paterson on 30/05/2014.
// Copyright © 2014 Big Nerd Ranch. All rights reserved.
//

#import <Foundation/Foundation.h>
#import “BNRPerson.h”

@interface BNREmployee : BNRPerson

{
NSMutableArray *_assets;
}

@property (nonatomic) unsigned int employeeID;
@property (nonatomic) unsigned int officeAlarmCode;
@property (nonatomic) NSDate *hireDate;
@property (nonatomic, copy) NSArray *assets;

• (double)yearsOfEmployment;
• (void)addAsset:(BNRAsset *)a;
• (unsigned int)valueOfAssets;

@end
[/code] Errors: for this line ‘- (void)addAsset:(BNRAsset *)a;’ Expected a type

BNREmployee.m:

[code]//
// BNREmployee.m
// BMITime
//
// Created by Thomas Paterson on 30/05/2014.
// Copyright © 2014 Big Nerd Ranch. All rights reserved.
//

#import “BNREmployee.h”
#import “BNRAsset.h”

@implementation BNREmployee

//Accessors for assets properties

• (void)setAssets:(NSArray *)a
  {
  _assets = [a mutableCopy];
  }

• (NSArray *)assets
  {
  return [ _assets copy];
  }

• (void)addAsset:(BNRAsset *)a
  {
  //Is assets nil?
  if (!_assets) {
  //create the array
  _assets = [[NSMutableArray alloc]init];
  }
  [_assets addObject:a];
  }

• (unsigned int)valueOfAssets
  {
  //Sum up the resale value of the assets
  unsigned int sum = 0;
  for (BNRAsset *a in _assets){
  sum += [a resaleValue];
  }
  return sum;
  }

• (double)yearsOfEmployment
  {
  if (self.hireDate) {
  NSDate *now = [NSDate date];
  NSTimeInterval secs = [now timeIntervalSinceDate:self.hireDate];
  return secs / 31557600.0;
  } else {
  return 0;
  }
  }

• (float)bodyMassIndex
  {
  float normalBMI = [super bodyMassIndex];
  return normalBMI * 0.9;
  }

• (NSString *)description
  {
  return [NSString stringWithFormat:@"<Employee %d: $%d in assets>", self.employeeID, self.valueOfAssets];
  }

• (void)dealloc
  {
  NSLog(@“deallocating %@”, self);
  }

@end
[/code]

BNRPerson.h:

[code]//
// BNRPerson.h
// BMITime
//
// Created by Thomas Paterson on 28/05/2014.
// Copyright © 2014 Big Nerd Ranch. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface BNRPerson : NSObject

@property (nonatomic) float heightInMeters;
@property (nonatomic) int weightInKilos;

//BNRPerson has a method that calculates the Body Mass Index
- (float)bodyMassIndex;

@end
[/code]

BNRPerson.m:

[code]//
// BNRPerson.m
// BMITime
//
// Created by Thomas Paterson on 28/05/2014.
// Copyright © 2014 Big Nerd Ranch. All rights reserved.
//

#import “BNRPerson.h”

@implementation BNRPerson

• (float)bodyMassIndex
  {
  float h = [self heightInMeters];
  return [self weightInKilos] / (h * h);
  }

@end
[/code]

BNRAsset.h:

[code]//
// BNRAsset.h
// BMITime
//
// Created by Thomas Paterson on 04/06/2014.
// Copyright © 2014 Big Nerd Ranch. All rights reserved.
//

#import <Foundation/Foundation.h>
#import “BNREmployee.h”

@interface BNRAsset : NSObject

@property (nonatomic, copy) NSString *label;
@property (nonatomic) unsigned int resaleValue;

@end
[/code]

BNRAsset.m:

[code]//
// BNRAsset.m
// BMITime
//
// Created by Thomas Paterson on 04/06/2014.
// Copyright © 2014 Big Nerd Ranch. All rights reserved.
//

#import “BNRAsset.h”

@implementation BNRAsset

• (NSString *)description
  {
  return [NSString stringWithFormat:@"<%@: $d>", self.label, self.resaleValue];
  }

• (void)dealloc
  {
  NSLog(@“deallocating %@”, self);
  }

@end
[/code]

Thank you in advance

[astericky]

I forgot to include a file but have since figured it out.

[_deliciousSoup]

I’ve been getting two errors
"Property “label” not found on object of type BNRAsset"
and
"property “resaleValue” not found on object of type BNRAsset"
i checked that i had both both properties estableshed in BNRAsset.m

#import <Foundation/Foundation.h>

@interface BNRAsset : NSObject

@property (nonatomic, copy) NSString *lable;
@property (nonatomic) unsigned int resaleValue;

@end