How many parameters must be passed if only the following prototype is given to a constructor? Prototype: className(int x, int y, int z=0);

How many parameters must be passed if only the following prototype is given to a constructor? Prototype: className(int x, int y, int z=0); Correct Answer 2

In the prototype given, only 2 arguments are mandatory. Since the third argument is default argument, so it is not mandatory to pass the argument.
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