Question
PYTHON 24 . Which of the following is NOT true about a subclass that overrides a superclass method? The subclass extends the functionality of the
PYTHON
24. Which of the following is NOT true about a subclass that overrides a superclass method?
The subclass extends the functionality of the superclass version
"The subclass method carries out the action of the superclass method, and it also does some additional work"
The subclass method can have additional arguments than the superclass method
A subclass method can replace the funcationality of a superclass method
25. In GUI-based programs, ____ are boxes within which the program can output text or receive it as input from the user.
Labels
Title bars
Command buttons
Entry fields
26. Which method is being overridden in the following code segment?
class Car(mover) : def __init__(self, make, model, color) : . . . def getMake(self) : . . . def getModel(self) : . . . def getColor(self) : . . .
class Apple(fruit) : def __init__(self, color) : . . . def getColor(self) :
getMake
getModel
getColor
No method is being overriden in this code segment
27.Consider the following class definitions. Which of the following statements is most correct?
class Fruit : . . . def getColor(self) : . . . class Apple(Fruit) :
Apple cannot have a method named getColor
Apple inherits the getColor method from Fruit
Apple must override the getColor method from Fruit
Apple must call the getColor method from Fruit
28. "In this code segment, how do you distinguish the button that is checked?.
self.fruit = StringVar() Radiobutton(self, text = Pear, variable = self.fruit, value = 'pear', command= self.dx) Radiobutton(self, text = Orange, variable = self.fruit, value = 'orange', command = self.dx)
29. In GUI-based programs, mouse-clicks are user-generated ____.
triggers
events
labels
commands
30. Consider the following code segment. Which statement is most correct?
class Fruit : . . . def getName(self) : . . . class Apple(Fruit) : . . . def getName(self) : . . .
The Apple class clones the Fruit class
The Apple class method overrides the getName method
The Fruit class overrides the Apple class
The Fruit class overrides the getName method
31. With tkinter checkboxes, to set up a group you would do which of the following. choose 3 answers.
give each button in the group the same command property that points to the same callback function name.
give each check button a text property
give each box a unique boolean variable name
give each box the same boolean variable name
32. True or False: To determine which checkbox was checked, in the callback function your code would determine if one or more check buttons were checked or not by examining the value of each Boolean variable in the checkbox group
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