What is the output of the following code fragment
int i = 1;
int sum = 0;
while (i <= 15)
{
sum = sum + i;
i++;
}
System.out.println("The value of sum is " + sum);
a) The value of sum is 0
b) The value of sum is 105
c) The value of sum is 120
d) The value of sum is 136