return c;

private char[] c;
public char[] someMethod(){
....//some operators
return c;

public String[] zapros(String query){
...//вся твоя лабудень
return c;
}

public class sql {

  String querry = new String();
  int k;

  String[] zapros(String querry) {

// Class.forName(sun.jdbc.odbc.JdbcOdbcDriver);
// Class.forName(com.inet.tds.TdsDriver).newInstance();

    try {
      new com.inet.tds.TdsDriver();

      String url = "jdbc:inetdae:xxx.x.x.xx:xxxx?sql7=true&charset=Cp1251";
      String login = "";
      String password = "";

      Connection con = DriverManager.getConnection(url, login, password);

      String database = "ibank2";
      con.setCatalog(database);

      Statement st = con.createStatement();
      this.querry = querry;

      ResultSet rs = st.executeQuery(querry);

     k = num_rows(querry); 

     String c[] = new String[k];
     k= 0 ; 
      while (rs.next()) {
        for (j =  1 ; j <= rs.getMetaData().getColumnCount(); j++) {

          c[k] = rs.getString(j);
          System.out.print(c[k] + "\t");
          k++;
        }
        System.out.println();
      }

      st.close();
      con.close();

    }
    catch (Exception e) {
      e.printStackTrace();
    }

    return c;

  }

//Метод определяет количество строк в запросе
  int num_rows(String querry) {
    try {
      new com.inet.tds.TdsDriver();

      this.querry = querry;
      String url = "jdbc:inetdae:xxx.x.x.xx:xxxx?sql7=true&charset=Cp1251";
      String login = "";
      String password = "";

      Connection con = DriverManager.getConnection(url, login, password);

      String database = "ibank2";
      con.setCatalog(database);

      Statement st = con.createStatement();

      ResultSet rs = st.executeQuery(querry);

      k =  0 ;
      while (rs.next()) {
        for (int j =  1 ; j <= rs.getMetaDat().getColumnCount(); j++) {

          k = k +  1 ;

        }
      }

      st.close();
      con.close();

    }
    catch (Exception e) {
      e.printStackTrace();
    }

    return k;
  }

}