Postgres binding array via JDBC

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class PostgresArrayExample {
    public static void main(String[] args) throws SQLException {
        Connection conn = setup(args[0], args[1], args[2]);
        try {
            Integer[] idArray = {1,2,3,4,5,100,200,-999};

            String sql = "SELECT * FROM t WHERE id = ANY(?)";
            try (PreparedStatement pstmt = conn.prepareStatement(sql)) {
                pstmt.setArray(1, conn.createArrayOf("INTEGER", idArray));

                // Execute the query
                try (ResultSet rs = pstmt.executeQuery()) {
                    while (rs.next()) {
                        System.out.println("ID: " + rs.getInt("id"));
                    }
                }
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

    private static Connection setup(String jdbcUrl, String user, String pw) throws SQLException {
        DriverManager.registerDriver(new org.postgresql.Driver());

        Connection conn = DriverManager.getConnection(jdbcUrl, user, pw);
        conn.setAutoCommit(false);

        return conn;
    }

}