Returns an integer hash code for the receiver. Any two objects that return <code>true</code> when passed to <code>equals</code> must return the same value for this method.
@return the receiver's hash
@see #equals
See Implementation
Returns an integer hash code for the receiver. Any two objects that return <code>true</code> when passed to <code>equals</code> must return the same value for this method.
@return the receiver's hash
@see #equals