import java.sql.*;

public class Main {

    public ResultSet executeQuery(String Query){
        ResultSet rs;
        try {
            rs = Main().executeQuery(Query);
            return rs;
        } catch (SQLException e1) {
            e1.printStackTrace();
        }
        return (null);
    }

    public static void main(String[] args) {
        try{

            Class.forName("oracle.jdbc.driver.OracleDriver");
            Connection con=DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:xe","system","oracle");
            Statement stmt=con.createStatement();

            con.close();

        }catch(Exception e){ System.out.println(e);}

    }


}