USING THE FOLLOWING METHOD SWAP CODE: import java.util.*; class ListIndexOutOfBoundsException extends IndexOutOfBoundsException { public ListIndexOutOfBoundsException(String s) { super(s); } } class ListUtil { public static int maxValue(List aList) { if(aList == null || aList.size() == 0) { throw new IllegalArgumentException("List cannot be null or empty"); } int max = aList.get(0); for(int i = 1; i < aList.size(); i++) { if(aList.get(i) > max) { max = aList.get(i); } } return max; } public static void swap(List aList, int i, int j) throws ListIndexOutOfBoundsException { if(aList == null) { throw new IllegalArgumentException("List cannot be null"); } if(i < 0 || i >= aList.size() || j < 0 || j >= aList.size()) { throw new ListIndexOutOfBoundsException("Index out of bounds. Index must be between 0 and " + (aList.size() - 1)); } int temp = aList.get(i); aList.set(i, aList.get(j)); aList.set(j, temp); } } public class Main { public static void main(String[] args) { List aList = new ArrayList<>(); aList.add(4); aList.add(2); aList.add(9); aList.add(6); System.out.println("Before Swapping: " + aList); System.out.println("Max Value: " + ListUtil.maxValue(aList)); try { ListUtil.swap(aList, 0, 2); } catch (ListIndexOutOfBoundsException e) { System.out.println(e.getMessage()); } System.out.println("After Swapping: " + aList); } } Use this method swap to write a method that reverses the order of the items in aList.

USING THE FOLLOWING METHOD SWAP CODE:

import java.util.*;

class ListIndexOutOfBoundsException extends IndexOutOfBoundsException {

public ListIndexOutOfBoundsException(String s) {

super(s);

}

}

class ListUtil {

public static int maxValue(List<Integer> aList) {

if(aList == null || aList.size() == 0) {

throw new IllegalArgumentException("List cannot be null or empty");

}

int max = aList.get(0);

for(int i = 1; i < aList.size(); i++) {

if(aList.get(i) > max) {

max = aList.get(i);

}

}

return max;

}

public static void swap(List<Integer> aList, int i, int j) throws ListIndexOutOfBoundsException {

if(aList == null) {

throw new IllegalArgumentException("List cannot be null");

}

if(i < 0 || i >= aList.size() || j < 0 || j >= aList.size()) {

throw new ListIndexOutOfBoundsException("Index out of bounds. Index must be between 0 and " + (aList.size() - 1));

}

int temp = aList.get(i);

aList.set(i, aList.get(j));

aList.set(j, temp);

}

}

public class Main {

public static void main(String[] args) {

List<Integer> aList = new ArrayList<>();

aList.add(4);

aList.add(2);

aList.add(9);

aList.add(6);

System.out.println("Before Swapping: " + aList);

System.out.println("Max Value: " + ListUtil.maxValue(aList));

try {

ListUtil.swap(aList, 0, 2);

} catch (ListIndexOutOfBoundsException e) {

System.out.println(e.getMessage());

}

System.out.println("After Swapping: " + aList);

}

}

Use this method swap to write a method that reverses the order of the items in aList.