A method that should be called from every well-designed equals method that is open to be overridden in a subclass.
the value being probed for possible equality
true if this instance can possibly equal
that, otherwise false
The size of this product.
for a product
A(x1, ..., xk), returns
The nth element of this product, 0-based.
the index of the element to return
n elements after the first element
Returns string formatted according to given
An iterator over all the elements of this product.
in the default implementation, an
A string used in the
toString methods of derived classes.
in the default implementation, the empty string