Show the output of the following program: import ch06.lists.*; public class List

Question

Show the output of the following program:

import ch06.lists.*;

public class ListExer { public static void main (String[] args) { ListInterface list1 = new ArrayUnsortedList (); list1.add(“apple”); list1.add(“peach”); list1.add(“orange”); list1.add(“pear”); list1.remove(“peach”);

ListInterface list2 = new ArraySortedList(); list2.add(“apple”); list2.add(“peach”); list2.add(“orange”); list2.add(“pear”); list2.remove(“peach”);

IndexedListInterface list3 = new ArrayIndexList(); list3.add(0, “apple”); list3.add(0, “peach”); list3.add(1, “orange”); list3.add(0, “pear”); list3.add(2, “plum”); list3.remove(“peach”);

System.out.print(“Unsorted”);

System.out.println(list1);

System.out.print(“Sorted”);

System.out.println(list2);

System.out.print(“Indexed”);

System.out.println(list3);

Explanation / Answer

Unsorted
apple
orange
pear


Sorted
apple
orange
pear

Indexed
pear
apple
plum
orange



Thanks, let me know if there is any concern.

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