Given:
class X {}
class Y {Y () {}}
class Z {z(int i ) {} }
Which class has a default constructor?
A.
X only
B.
Y only
C.
Z only
D.
X and Y
E.
Y and Z
F.
X and Z
G.
X, Y and Z
Which class has a default constructor?
Given:
<code>
class X {}
class Y {Y () {}}
class Z {z(int i ) {} }
</code>
Which class has a default constructor?
The correct answer is A. X only
Since class Z has defined constructor Z(int), it won’t have default constructor
I think so, but be careful since there’s written zed in lowercase! I guess is a typo because in any case , so defined, it could not be a valid method.
I understand you Alex, but i guess it’s really A. It’s complicated, it depends how well is written on the test so it gets easier to solve it.
I’m agree with Marin R.
if the constructor z small it will not compile as a function.
Hey Right answer is F.X and Z
please see carefully class Z, the z is in small case so it treat as method not as constructor if you right z(int i){} it gives error return type of method is missing
so right answer is X and Z
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A default constructor is a constructor that either has no parameters, or if it has parameters, all the parameters have default values.
???
a
https://en.wikipedia.org/wiki/Default_constructor