javafx 8 - JavaFX8 TreeTableView multiple root items -

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treeitem<filemodel> root = new treeitem<filemodel>(playlist); treetblviewfiles.setroot(root); treetblviewfiles.setshowroot(true);

the code above sets 1 root item, need have several called root items expandable list of child items. how do that?
in advance.

you make parent root, don't show.

that parent's children may roots, show.


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