30.10 Answers to Chapter Questions

Answer 30-1: The statement (number =! 2) is not a relational equation, but an assignment statement. It is equivalent to:

    number = (!2); 

(Because 2 is nonzero, !2 is zero.)

The programmer accidently reversed the not equal !=, so it became =!. The statement should read:

    if (number != 2)