@WebMethod(operationName = "tambahBarang") 
public void tambahBarang(@WebParam(name = "kd_barang") int 
kd_barang, @WebParam(name = "nama_barang") String nama_barang, 
@WebParam(name = "jml_barang") int jml_barang)
{ 
    try 
	{
        conn=connectSQL.getConnect(); 
        pstm=conn.prepareStatement("insert into barang(kd_barang, nama_barang, jml_barang) value (?,?,?)"); 
        pstm.setInt(1, kd_barang); 
        pstm.setString(2, nama_barang); 
        pstm.setInt(3, jml_barang); 
        pstm.executeUpdate();
    }
	catch (Exception e)
	{ 
        System.out.println("Gagal Tambah:"+e.toString()); 
    } 
}