import java.io.*;

public class tests{

    public static void main(String[] args) throws IOException {

      String[] array = { "pedro", "juan", "hector", "nessx" };
      String search = "hector";
      boolean existe = false;
      int cont = 0;
      for (int i = 0; i < array.length; i++) {
         String valorarray = array[i];
         cont++;
         if (search.equals(valorarray)) {
            existe = true;
            break;
         }
      }
      if (existe) {
         System.out.println("El string "+search+" existe en la posicion: "+cont);
      } else {
      System.out.println("el string no existe");
      }
    }
}