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我不知道是否有可能這樣treeitems添加到TreeView控件這是根的子類?JavaFX TreeView:是否可以將TreeItems添加到作爲根子類的TreeView?
像這樣..
TreeView<Human> tree = new TreeView<>();
Student student = new Student();
TreeItem<Student> studentItem = new TreeItem<>(student);
Human human = new Human();
TreeItem<Human> root = new TreeItem<>(human);
root.getChildren().add(studentItem);
tree.setRoot(root);