Switch case MCQ 7 : No cases in switch case

Switch case 7 : Multiple Choice Questions in C Programming
Problem Statement 7 : No cases in switch

void main()
{
 int choice = 2 ;
 switch(choice)
  {
  }
}
Options : Is this program is error free
  1. Yes
  2. No

Why ? Explanation  :
  1. Though never required ,there can exist switch without case
  2. For more details ……
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