Question

Which value of variable a will make variable x equal to 3? Java

int x = 0;
if (a > 0)

  if (a%4 == 1)

     x = x + 5;

    else

        if (a%3 == 0)

           x = x + 4;

        else

            x = x + 3;

else
    x = x + 2;

Answer 1

answer is 7

when a = 7, x value become 3.

Explanation :

   int x = 0;
   int a = 7;
if (a > 0) True 7 > 0
if (a%4 == 1) False 7%4 = 3
x = x + 5;
else Execute this else block
if (a%3 == 0) False 7%3 = 1
x = x + 4;
else execute this else block
x = x + 3; x = 0 + 3 x = 3
else
x = x + 2;

variable a = 7, will make variable x equal to 3