/* Given 2 arrays of ints, a and b, return true if they have the same first element or they have the same last element. Both arrays will be length 1 or more. commonEnd([1, 2, 3], [7, 3]) → true commonEnd([1, 2, 3], [7, 3, 2]) → false commonEnd([1, 2, 3], [1, 3]) → true */ public class CommonEnd { }