Program to find HCF ( Highest Common Factor ) of 2 Numbers | Java program to find GCD of two numbers ; Recursive function to return gcd of a and b ; Driver method
class Test { static int gcd ( int a , int b ) { if ( b == 0 ) return a ; return gcd ( b , a % b ) ; } public static void main ( String [ ] args ) { int a = 98 , b = 56 ; System . out . println ( " GCD ▁ of ▁ " + a + " ▁ and ▁ " + b + " ▁ is ▁ " + gcd ( a , b ) ) ; } }