digraph G {
        fontname = "Bitstream Vera Sans"
        fontsize = 8

        node [
                fontname = "Bitstream Vera Sans"
                fontsize = 8
                shape = "record"
        ]

        edge [
                fontname = "Bitstream Vera Sans"
                fontsize = 8
        ]

        Animal [
                label = "{Animal|+ name : string\l+ age : int\l|+ die() : void\l}"
        ]
}