Java + Sybase, criar tabela temporária

package br.com.neve.licitacao.dao;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class Conexao {

	private static final String DRIVER = "com.sybase.jdbc3.jdbc.SybDriver";
	private static final String LOCAL = "192.168.0.4";
	private static final String PORT = "2638";
	private static final String DATABASE = "teste";
	private static final String URL = "jdbc:sybase:Tds:" + LOCAL + ":" + PORT
			+ "/" + DATABASE;
	private static final String USER = "sysdba";
	private static final String PASSWORD = "sysdba";
	private static Connection conn;

	public static Connection getConexao() {
		try {
			Class.forName(DRIVER);
			conn = DriverManager.getConnection(URL, USER, PASSWORD);
			System.out.println("Conexão efetuada com sucesso.");
			return conn;
		} catch (ClassNotFoundException e) {
			System.out.println("Erro ao localizar drive: " + e.getMessage());
			return null;
		} catch (SQLException e) {
			System.out.println("Erro ao conectar com o banco de dados: "
					+ e.getMessage());
			return null;
		}
	}

	public static void main(String[] args) {

		Conexao conexao = new Conexao();
		Conexao.getConexao();
		try {
			conexao.createTable("create table produtos ( id int IDENTITY  not null , nome varchar(20) not null, preco int not null)");
		} catch (SQLException e) {
			System.out.println("erro");
			e.printStackTrace();
		}
	}

	public void createTable(String sql) throws SQLException {
		Connection conn = Conexao.getConexao();
		Statement stmt = null;
		try {
			stmt = conn.createStatement();
			stmt.execute(sql);
			System.out.println("Tabela de produtos criada com sucesso");
		} catch (SQLException e) {
			System.out.println("Erro na criação da tabela produtos, " + e);
		} finally {
			// closeConnection.close(conn, stmt);
		}
	}

}