• Source 
    1. #include<stdio.h>
    2.  
    3. void main()
    4. {
    5.     unsigned int a = 3;
    6.     switch(a)
    7.     {
    8.         default:
    9.             a = 10;
    10.         case 1:
    11.             a = 11;
    12.     }
    13.  
    14.     // even though it will hit default condition but default will fall through 
    15.     // and case 1 will be excecuted
    16.     // answer is 11
    17.     printf("value of a : %d", a);
    18. }