how to find gcd and lcm of 2 numbers in java code example

Example: Java program to find LCM of two numbers

public class LCMOfTwoNumbers
{
   public static void main(String[] args)
   { 
      int num1 = 85, num2 = 175, lcm;
      lcm = (num1 > num2) ? num1 : num2;
      while(true)
      {
         if(lcm % num1 == 0 && lcm % num2 == 0)
         {
            System.out.println("LCM of " + num1 + " and " + num2 + " is " + lcm + ".");
            break;
         }
         ++lcm;
      }
   }
}