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I wrote this:
if( a == -11 && b == -1 ){
{
if( a == -1) AND ( b == -1)...
But neither work, and I have the same problem with OR. How do I write expressions that include OR or AND?
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You use && for “and”, and || for “or”.
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(a == -11 && b == -1) is fine and correct. Objective-C uses all of the same logical operators as C. || is the logical-or operator.
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if (a==-11 && b==-1) {
if perfectly legal in C, and therefore Objective-C.
Your second example is not C or Objective-C
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