public class IndexOf
{
   public static void main(String[] args)
   {
      System.out.println(  indexOf("hello", 'e') );
   }


   public static int indexOf(String str, char ch)
   {
    //for (int i = 0; i <= str.length()-1; i++)
      for (int i = 0; i <  str.length();   i++)
      {
         if ( ch == str.charAt(i) )
         {
            return i;
         }
      }
      return -1;
   }
}