Question

Give the output of the following method definition and also write what mathematical operation it carries out:  

void test2(int a, int b)
{
    while( a != b)
    {
      if ( a > b)
        a = a − b;
      else
        a = b − a;  
    }
    System.out.println(a);
}

if 4 and 17 are passed to the function.

Answer 1

1
(The mathematical process performed is to display the HCF of two numbers).