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Fix typos in objective-c doc

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Nicholas Hrynuik 2015-01-31 21:38:24 -05:00
parent 4f8b687626
commit df0dbef198
1 changed files with 8 additions and 7 deletions
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15
objective-c.html.markdown
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@ -55,7 +55,7 @@ int main (int argc, const char * argv[])
id myObject2 = nil; // Weak typing id myObject2 = nil; // Weak typing
// %@ is an object // %@ is an object
// 'description' is a convention to display the value of the Objects // 'description' is a convention to display the value of the Objects
NSLog(@"%@ and %@", myObject1, [myObject2 description]); // Print "(null) and (null)" NSLog(@"%@ and %@", myObject1, [myObject2 description]); // prints "(null) and (null)"
// String // String
NSString *worldString = @"World"; NSString *worldString = @"World";
@ -70,7 +70,7 @@ int main (int argc, const char * argv[])
char theLetterZ = [theLetterZNumber charValue]; // or 'Z' char theLetterZ = [theLetterZNumber charValue]; // or 'Z'
NSLog(@"%c", theLetterZ); NSLog(@"%c", theLetterZ);
// Integral literals // Integer literals
NSNumber *fortyTwoNumber = @42; NSNumber *fortyTwoNumber = @42;
int fortyTwo = [fortyTwoNumber intValue]; // or 42 int fortyTwo = [fortyTwoNumber intValue]; // or 42
NSLog(@"%i", fortyTwo); NSLog(@"%i", fortyTwo);
@ -128,9 +128,10 @@ int main (int argc, const char * argv[])
// May contain different data types, but must be an Objective-C object // May contain different data types, but must be an Objective-C object
NSArray *anArray = @[@1, @2, @3, @4]; NSArray *anArray = @[@1, @2, @3, @4];
NSNumber *thirdNumber = anArray[2]; NSNumber *thirdNumber = anArray[2];
NSLog(@"Third number = %@", thirdNumber); // Print "Third number = 3" NSLog(@"Third number = %@", thirdNumber); // prints "Third number = 3"
// NSMutableArray is mutable version of NSArray allowing to change items in array // NSMutableArray is a mutable version of NSArray allowing you to change
// and extend or shrink array object. Convenient, but not as efficient as NSArray // items in array and extend or shrink array object. Convenient, but not
// as efficient as NSArray
NSMutableArray *mutableArray = [NSMutableArray arrayWithCapacity:2]; NSMutableArray *mutableArray = [NSMutableArray arrayWithCapacity:2];
[mutableArray addObject:@"Hello"]; [mutableArray addObject:@"Hello"];
[mutableArray addObject:@"World"]; [mutableArray addObject:@"World"];
@ -140,7 +141,7 @@ int main (int argc, const char * argv[])
// Dictionary object // Dictionary object
NSDictionary *aDictionary = @{ @"key1" : @"value1", @"key2" : @"value2" }; NSDictionary *aDictionary = @{ @"key1" : @"value1", @"key2" : @"value2" };
NSObject *valueObject = aDictionary[@"A Key"]; NSObject *valueObject = aDictionary[@"A Key"];
NSLog(@"Object = %@", valueObject); // Print "Object = (null)" NSLog(@"Object = %@", valueObject); // prints "Object = (null)"
// NSMutableDictionary also available as a mutable dictionary object // NSMutableDictionary also available as a mutable dictionary object
NSMutableDictionary *mutableDictionary = [NSMutableDictionary dictionaryWithCapacity:2]; NSMutableDictionary *mutableDictionary = [NSMutableDictionary dictionaryWithCapacity:2];
[mutableDictionary setObject:@"value1" forKey:@"key1"]; [mutableDictionary setObject:@"value1" forKey:@"key1"];
@ -627,7 +628,7 @@ int main (int argc, const char * argv[]) {
@end @end
// Instances of Car now have access to the protocol. // Instances of Car now have access to the protocol.
Car *carInstance = [[Car alloc] init]; Car *carInstance = [[Car alloc] init];
[[carInstance setEngineOn:NO]; [carInstance setEngineOn:NO];
[carInstance turnOnEngine]; [carInstance turnOnEngine];
if ([carInstance engineOn]) { if ([carInstance engineOn]) {
NSLog(@"Car engine is on."); // prints => "Car engine is on." NSLog(@"Car engine is on."); // prints => "Car engine is on."