This is a data struct question in hash table. Thanks for help!

Explain, in words, what is wrong with the following hashCode () method: public class Point 2D {Double x, y; ... public int hashCode () {return x.hashCode()^y.hashCode ();} Give an example of many points that all have the same hashCode (). Explain, in words, what is wrong with the following hashCode () method: public class Point2D {Double x, y; ... public int hashCode () {return x. hashCode () + y.hashCode ();}} Give an example of 2 points that have the same hashCode ()