Using NSLog for debugging

Question

I have the following code snippet in my Xcode:

NSString *digit [[sender titlelabel] text];
NSLog([digit]);

I tried to build the application

Answer 1

type : BOOL DATA (YES/NO) OR(1/0)

BOOL dtBool = 0; 

OR

BOOL dtBool = NO;
NSLog(dtBool ? @"Yes" : @"No");

OUTPUT : NO

type : Long

long aLong = 2015;
NSLog(@"Display Long: %ld”, aLong);

OUTPUT : Display Long: 2015

long long veryLong = 20152015;
NSLog(@"Display very Long: %lld", veryLong);

OUTPUT : Display very Long: 20152015

type : String

NSString *aString = @"A string";
NSLog(@"Display string: %@", aString);

OUTPUT : Display String: a String

type : Float

float aFloat = 5.34245;
NSLog(@"Display Float: %F", aFloat);

OUTPUT : isplay Float: 5.342450

type : Integer

int aInteger = 3;    
NSLog(@"Display Integer: %i", aInteger);

OUTPUT : Display Integer: 3

NSLog(@"\nDisplay String: %@ \n\n Display Float: %f \n\n Display Integer: %i", aString, aFloat, aInteger);

OUTPUT : String: a String

Display Float: 5.342450

Display Integer: 3

http://luterr.blogspot.sg/2015/04/example-code-nslog-console-commands-to.html