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Referring to the Current Object.docx
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Referring_to_the_Current_Object.docx-Referring to the Current Object’s Members
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Referring_to_the_Current_Object.docx-Referring to the Current Object’s Members
Page 1
Referring to the Current Object’s
Members with the
this
Reference
1. An object’s
this
reference refers to:
a) the object itself
b) what the programmer specified
c) the entry point of the program
d) None of the above.
Answer:
a
2. In a method in which a parameter has the same name as an instance variable, using the
this
reference allows you to refer to
.
a) the parameter
b) the instance variable
c) varies depending on the situation
d) None of the above
Answer:
b
3.
When should a program explicitly use the
this
reference?
a) accessing a private variable
b)
accessing a public variable
c) accessing a local variable
d) accessing a field that is shadowed by a local variable
Answer:
d
4. Having a
this
reference allows:
a) A method to refer explicitly to the instance variables and other methods of the object on
which the method was called.
b) A method to refer implicitly to the instance variables and other methods of the object on
which the method was called.
c) An object to reference itself.
d) All of the above.
Answer:
d
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