private void connect() throws ClassNotFoundException
{
    Class.forName("com.tmax.tibero.jdbc.TbDriver");

    try {
        conn = DriverManager.getConnection(
                "jdbc:tibero:thin:@localhost:8629:tibero", 
                "tibero", "tmax");
    } catch (SQLException e) {
        System.out.println("connection failure!");
        System.exit(-1);
    }
    System.out.println("Connection success!");
}

private void executeStatement() throws SQLException
{
    String dropTable   = "drop table emp";
    String createTable = "create table emp (id number, "+
                         " name varchar(20), salary number)";
    String InsertTable = "insert into emp values(1000, 'Park', 5000)";

    Statement stmt = conn.createStatement();

    try {
        stmt.executeUpdate(dropTable);
    } catch(SQLException e) {
        // if there is not the table
    }

    stmt.executeUpdate(createTable);    
    stmt.executeUpdate(InsertTable);

    stmt.close();
}

private void executePreparedStatement() throws SQLException
{
    PreparedStatement pstmt = 
         conn.prepareStatement("select name from emp where id = ?"); ... ① ...

    pstmt.setString(1, "1000");

    ResultSet rs = pstmt.executeQuery();
    while (rs.next()) {
        System.out.println(rs.getString(1));
    }

    pstmt.close();
}

private void executeCallableStatement() throws SQLException
{
    String callSQL = 
        " CREATE PROCEDURE testProc "+
        " (ID_VAL IN NUMBER, SAL_VAL IN OUT NUMBER) as " + 
        " BEGIN" +
        "   update emp" +
        "      set salary = SAL_VAL" +
        "    where id = ID_VAL;" + 
        "   select salary into SAL_VAL" +
        "     from emp" +
        "    where id = ID_VAl;" +
        " END;";
    String dropProc = "DROP PROCEDURE testProc";

    Statement stmt = conn.createStatement();
    try {
        stmt.executeUpdate(dropProc);
    } catch(SQLException e) {
        // if there is not the procedure
    }
        
    stmt.executeUpdate(callSQL);

    CallableStatement cstmt = conn.prepareCall("{call testProc(?, ?)}");
    cstmt.setInt(1, 1000);
    cstmt.setInt(2, 7000);
    cstmt.registerOutParameter(2, Types.INTEGER);
    cstmt.executeUpdate();

    int salary = cstmt.getInt(2);
    System.out.println(salary);

    stmt.close();
    cstmt.close();
}

private void disconnect() throws SQLException
{
    if (conn != null)    
        conn.close();
}