Question: Modify the method of Exercise E18.15 so that it leaves the first array list unchanged and returns a new array list containing the elements

Modify the method of Exercise • E18.15 so that it leaves the first array list unchanged and returns a new array list containing the elements of both array lists.

Data from exercise E8.15

Provide a static method void append(ArrayList

a, ArrayList

b) that appends the elements of b to a.

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