Further fix of typos in objective-c doc

This commit is contained in:
Nicholas Hrynuik 2015-01-31 22:18:02 -05:00
parent df0dbef198
commit d406057dc7

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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]); // prints "(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);
// Integer literals // Integral 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);
@ -128,10 +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); // prints "Third number = 3" NSLog(@"Third number = %@", thirdNumber); // prints => "Third number = 3"
// NSMutableArray is a mutable version of NSArray allowing you to change // NSMutableArray is a mutable version of NSArray, allowing you to change
// items in array and extend or shrink array object. Convenient, but not // the items in the array and to extend or shrink the array object.
// as efficient as NSArray // 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"];
@ -141,7 +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); // prints "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"];
@ -211,7 +211,7 @@ int main (int argc, const char * argv[])
while (ii < 4) while (ii < 4)
{ {
NSLog(@"%d,", ii++); // ii++ increments ii in-place, after using its value NSLog(@"%d,", ii++); // ii++ increments ii in-place, after using its value
} // => prints "0," } // prints => "0,"
// "1," // "1,"
// "2," // "2,"
// "3," // "3,"
@ -221,7 +221,7 @@ int main (int argc, const char * argv[])
for (jj=0; jj < 4; jj++) for (jj=0; jj < 4; jj++)
{ {
NSLog(@"%d,", jj); NSLog(@"%d,", jj);
} // => prints "0," } // prints => "0,"
// "1," // "1,"
// "2," // "2,"
// "3," // "3,"
@ -231,7 +231,7 @@ int main (int argc, const char * argv[])
for (NSNumber *value in values) for (NSNumber *value in values)
{ {
NSLog(@"%@,", value); NSLog(@"%@,", value);
} // => prints "0," } // prints => "0,"
// "1," // "1,"
// "2," // "2,"
// "3," // "3,"
@ -239,7 +239,7 @@ int main (int argc, const char * argv[])
// Object for loop statement. Can be used with any Objective-C object type // Object for loop statement. Can be used with any Objective-C object type
for (id item in values) { for (id item in values) {
NSLog(@"%@,", item); NSLog(@"%@,", item);
} // => prints "0," } // prints => "0,"
// "1," // "1,"
// "2," // "2,"
// "3," // "3,"
@ -256,7 +256,7 @@ int main (int argc, const char * argv[])
} @finally } @finally
{ {
NSLog(@"Finally. Time to clean up."); NSLog(@"Finally. Time to clean up.");
} // => prints "Exception: File Not Found on System" } // prints => "Exception: File Not Found on System"
// "Finally. Time to clean up." // "Finally. Time to clean up."
// NSError objects are useful for function arguments to populate on user mistakes. // NSError objects are useful for function arguments to populate on user mistakes.