Java Programs easy way

package New;

public class Prog6 {

      static int op = 0;

      public static void abc(String str, String str1, String str2) {

            int n1 = str.indexOf(str1);

            int n2 = str.indexOf(str2);

            if (n2 > n1)

                  op = 1;

            else

                  op = 0;

      }

      public static void main(String[] args) {

            String str = "geniousRajKumarDev";

            String str1 = "Raj";

            String str2 = "Dev";

            abc(str, str1, str2);

            System.out.println(op);

      }

}