Using the Prepared Statement Twice

package example.jdbc.preparedstatement;
 
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;
 
public class Main {
    public static void main(String[] args) throws Exception {
	Connection conn = getHSQLConnection();
	System.out.println("Got Connection.");
	Statement st = conn.createStatement();
	st.executeUpdate("create table survey (id int,name varchar);");
	st.executeUpdate("create view surveyView as (select * from survey);");
	st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')");
	st.executeUpdate("insert into survey (id,name ) values (2,'anotherValue')");
 
	ResultSet rs = null;
	PreparedStatement ps = null;
 
	String query = "select id, name from survey where id = ?";
 
	ps = conn.prepareStatement(query);
	// specify values for all input parameters
	ps.setInt(1, 001); // set the first parameter: id
 
	// now, PreparedStatement object is ready to be executed.
	rs = ps.executeQuery();
	// iterate the result set object
	while (rs.next()) {
	    int id = rs.getInt(1);
	    String name = rs.getString(2);
	    System.out.println("[id=" + id + "][name=" + name + "]");
	}
 
	// NOTE: you may use PreparedStatement as many times as you want
	// here we use it for another set of parameters:
	ps.setInt(1, 002); // set the first parameter: id
 
	// now, PreparedStatement object is ready to be executed.
	rs = ps.executeQuery();
	// iterate the result set object
	while (rs.next()) {
	    int id = rs.getInt(1);
	    String name = rs.getString(2);
	    System.out.println("[id=" + id + "][name=" + name + "]");
	}
	rs.close();
	ps.close();
	conn.close();
 
    }
 
    private static Connection getHSQLConnection() throws Exception {
	Class.forName("org.hsqldb.jdbcDriver");
	System.out.println("Driver Loaded.");
	String url = "jdbc:hsqldb:data/tutorial";
	return DriverManager.getConnection(url, "sa", "");
    }
 
    public static Connection getMySqlConnection() throws Exception {
	String driver = "org.gjt.mm.mysql.Driver";
	String url = "jdbc:mysql://localhost/demo2s";
	String username = "oost";
	String password = "oost";
 
	Class.forName(driver);
	Connection conn = DriverManager.getConnection(url, username, password);
	return conn;
    }
 
    public static Connection getOracleConnection() throws Exception {
	String driver = "oracle.jdbc.driver.OracleDriver";
	String url = "jdbc:oracle:thin:@localhost:1521:caspian";
	String username = "mp";
	String password = "mp2";
 
	Class.forName(driver); // load Oracle driver
	Connection conn = DriverManager.getConnection(url, username, password);
	return conn;
    }
}