Main.m
#import <Foundation/Foundation.h>
#import "BNRStockHolding.h"
#import "BNRForeignStockHolding.h"
int main(int argc, const char * argv[]) {
@autoreleasepool {
BNRStockHolding *stockTXRH = [[BNRStockHolding alloc]init];
BNRStockHolding *stockGSAT = [[BNRStockHolding alloc]init];
BNRStockHolding *stockAAPL = [[BNRStockHolding alloc]init];
// Made this stock foreign, although it is not really
BNRForeignStockHolding *stockZNGA = [[BNRForeignStockHolding alloc]init];
NSMutableArray *stockArray = [[NSMutableArray alloc]init];
/*******************************************************************/
stockTXRH.companyName = (@"Texas Roadhouse");
stockTXRH.stockSymbol = "TXRH";
stockTXRH.purchaseSharePrice = 26.62;
stockTXRH.currentSharePrice = 28.31;
stockTXRH.numberOfShares = 2556;
[stockArray addObject:stockTXRH];
/*******************************************************************/
stockGSAT.companyName = (@"GlobalStar");
stockGSAT.stockSymbol = "GSAT";
stockGSAT.purchaseSharePrice = 2.30;
stockGSAT.currentSharePrice = 4.50;
stockGSAT.numberOfShares = 40;
[stockArray addObject:stockGSAT];
/*******************************************************************/
stockAAPL.companyName = (@"Apple");
stockAAPL.stockSymbol = "AAPL";
stockAAPL.purchaseSharePrice = 10.50;
stockAAPL.currentSharePrice = 99.62;
stockAAPL.numberOfShares = 500;
[stockArray addObject:stockAAPL];
/*******************************************************************/
// Made this stock foreign, although it is not really
stockZNGA.companyName = (@"Zynga");
stockZNGA.stockSymbol = "ZNGA";
stockZNGA.purchaseSharePrice = 2.30;
stockZNGA.currentSharePrice = 4.50;
stockZNGA.numberOfShares = 40;
stockZNGA.conversionRate = 0.94;
[stockArray addObject:stockZNGA];
for (BNRStockHolding *s in stockArray)
{
// Looks at a custom overridden version of the description methods
// Both BNRStockHolding and BNRForeignStockholding have their own description method
NSLog(@"%@", s);
}
}
return 0;
}
BNRStockHolding.h
#import <Foundation/Foundation.h>
@interface BNRStockHolding : NSObject
@property (nonatomic) NSString *companyName;
@property (nonatomic) char *stockSymbol;
@property (nonatomic) float purchaseSharePrice;
@property (nonatomic) float currentSharePrice;
@property (nonatomic) int numberOfShares;
- (float) costInDollars; // purchaseSharePrice * numberOfShares
- (float) valueInDollars; // currentSharePrice * numberOfShares
@endBNRStockHolding.m
#import "BNRStockHolding.h"
@implementation BNRStockHolding
- (float) costInDollars
{
return self.purchaseSharePrice * self.numberOfShares;
}
- (float) valueInDollars
{
return self.currentSharePrice * self.numberOfShares;
}
- (NSString *)description
{
return [NSString stringWithFormat:@"\n\n Company Name: %@\n Stock Symbol: %s\n Number of Shares: %d\nPurchase Share Price: %.2f\n Current Share Price: %.2f\n Cost In Dollars: %.2f\n Value in Dollars: %.2f\n",
self.companyName, self.stockSymbol, self.numberOfShares,
self.purchaseSharePrice, self.currentSharePrice,
[self costInDollars], [self valueInDollars]];
}
@endBNRForeignStockHolding.h
#import <Foundation/Foundation.h>
#import "BNRStockHolding.h"
@interface BNRForeignStockHolding : BNRStockHolding
@property (nonatomic) float conversionRate;
@end
BNRForeignStockHolding.m
#import "BNRForeignStockHolding.h"
@implementation BNRForeignStockHolding
- (float) costInDollars
{
return (self.purchaseSharePrice * self.conversionRate) * self.numberOfShares;
}
- (float) valueInDollars
{
return (self.currentSharePrice * self.conversionRate) * self.numberOfShares;
}
// Description is overriden
- (NSString *)description
{
// PurchaseSharePrice and CurrentSharePrice are converted using the conversion rate.
// CostInDollars and ValueInDollars uses the conversion rate as well.
return [NSString stringWithFormat:@"\n\n Company Name: %@\n Stock Symbol: %s\n Number of Shares: %d\nPurchase Share Price: %.2f\n Current Share Price: %.2f\n Cost In Dollars: %.2f\n Value in Dollars: %.2f\n Conversion Rate: %.2f\n",
self.companyName, self.stockSymbol, self.numberOfShares,
(self.purchaseSharePrice * self.conversionRate) , (self.currentSharePrice * self.conversionRate),
[self costInDollars], [self valueInDollars], self.conversionRate];
}
@end