Question: The instance variables in Complex are private, but when I am executing the method plus() for a Complex object with a.plus(b), I can access not

The instance variables in Complex are private, but when I am executing the method plus() for a Complex object with a.plus(b), I can access not only a’s instance variables but also b’s. Shouldn’t b’s instance variables be inaccessible?

Q The times() method in Complex (PROGRAM 3.3.1) needs a constructor that takes polar coordinates as arguments. How can we add such a constructor?

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