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Note

  • This example demonstrate the effects of if() statements, by highlighting parts of the code that been executed in bold dark red . Try it and see which parts of the code are executed and which are skipped over.
Hi!   Hi!           Start main()

Try stepping through the code


  Value and type of last evaluated expression: Address of array element: Address of array elementx:  (none)

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Code

 Header...

// Demonstrate switch() consecutive labels


 int main(){
   ... 

»  int num=7;

  // Is num a prime less than 10?
»  switch (num) {
»  case 2:»case 3:»case 5:»case 7:
»    printf("%d is a prime number less than 10\n", num);
»    break;

»  default :
»    printf("%d is not a prime number less than 10\n", num);
    
  }

»  return 0;

}

Data

num (int)
128
7

Memory

main()

128
129
130
131
num = 7

NB: the actual memory address of each variable is the
address shown plus 4289939864 (0xFFB34998).

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.
Show output (Before looking at the output, work out what you think it put should be and see if you are right.)

Output

7 is a prime number less than 10
                                                                                                                                                                                                                                                                       
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