What is the right way to check for a null string in Objective-C?

Question

I was using this in my iPhone app

if (title == nil) {
    // do something
}

but it throws some exception, and the console shows that the ti

Answer 1

it is just as simple as

if([object length] >0)
{
  // do something
}

remember that in objective C if object is null it returns 0 as the value.

This will get you both a null string and a 0 length string.