Define an equal’s method for the class Array Bag that returns true when the contents of two bags are the same. Note that two equal bags contain the same number of entries, and each entry occurs in...

Define an equal’s method for the class Array Bag that returns true when the contents of two bags are the same. Note that two equal bags contain the same number of entries, and each entry occurs in each bag the same number of times. The order of the entries in each array is irrelevant.