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89860 篇文章 33 次评论单选题：The setOnAction method is defined in _________.
The setOnAction method is defined in _________. @[D](2)A. Labelled B. Button C. Node D. ButtonBase E. Label A.Labelled…
单选题：To wrap a line in a text area ta, invoke ____________.
To wrap a line in a text area ta, invoke ____________. @[D](2)A. ta.WrapLine() B. ta.wrapText() C. ta.setLineWrap(true…
单选题：The method __________ gets the contents of the text field tf.
The method __________ gets the contents of the text field tf. @[C](2)A. tf.getText(s) B. tf.getString() C. tf.getText(…
单选题：To create a label with the specified text, use __________.
To create a label with the specified text, use __________. @[B](2)A. new Labelled(text); B. new Label(text); C. new L…
单选题：The method __________ appends a string s into the text area ta.
The method __________ appends a string s into the text area ta. @[A](2)A. ta.appendText(s) B. ta.append(s) C. ta.inser…
单选题：To set a red color for the text in the label lbl, use _________.
To set a red color for the text in the label lbl, use _________. @[D](2)A. lbl.setFill(Color.red); B. lbl.setTextFill…
单选题：_________ checks whether the CheckBox chk is selected.
_________ checks whether the CheckBox chk is selected. @[A](2)A. chk.isSelected(). B. chk.select() C. chk.selected() D…
单选题：How many items can be added into a ComboBox object?
How many items can be added into a ComboBox object? @[A](2)A. Unlimited B. 1 C. 0 D. 2 A.UnlimitedB.1C.0D.2答案：A…
单选题：The statement for registering a listener for processing list vie
The statement for registering a listener for processing list view item change is ___________. @[C](2)A. lv.getItems()…
单选题：_______________ returns the selected item on a ComboBox cbo.
_______________ returns the selected item on a ComboBox cbo. @[B](2)A. cbo.getSelectedItem() B. cbo.getValue() C. cbo.…