1.) In wxPython setting a control location using pos=(x, y) is called _____. abs
ID: 3885848 • Letter: 1
Question
1.) In wxPython setting a control location using pos=(x, y) is called _____.
absolute positioning
base positioning
grid positioning
relative positioning
2.) Consider the following class. Which method(s) are mutators?
class Counter :
def getValue(self) :
return self.value
def click(self) :
self.value = self.value + 1
def unClick(self) :
self.value = self.value - 1
def reset(self) :
self.value = 0
click, unClick and reset
Only reset
Only click and unClick
All four methods are mutators
3.) "If you want one class to acquire properties or methods from another class, an alternative to inheritance is called _____."
composition
accumulation
superposition
4.) In almost all cases we add wxPython user controls like textboxes, buttons, etc to a _____.
panel
rect
brick
box
5.) How do you access instance variables in a method?
Using the self reference
Using the constructor
Using a list
Using a constant
6.) How might you indicate a set of radio buttons are a group?
by seeing style = wx.RB_GROUP for the first radio button in the group
this cannot be done
by seeing style = wx.GROUP for any radio button in the group
by seeing style = wx.RB_GROUP for each and every radio button in the group
7.) With wxPython our overall parent window will be a child of the _____ class.
wx.Frame
wx.StaticText
wx.Window
wx.BigPanel
8.) Before invoking an instance method on an object, the object must have first been instantiated."
True
False
9.) Methods that allow a user to modify an object's state are called ____.
mutators
modifiers
writers
output methods
10.) A first step in creating a wxPython app is to bring the wxPython environment into existance using _____.
wx.App()
wx.Begin()
wx.Show()
wx.Fetch()
Explanation / Answer
1) grid positioning
2) click, unClick and reset
3) composition
4) box
5) Using the self reference
6) by seeing style = wx.RB_GROUP for the first radio button in the group
7) wx.Window
8) True
9) mutators
10) wx.Show()
**Comment for any further queries
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