Given the array list of primes below, write a loop to print its elements in reverse order, starting with the last element. Place a space after every element. PrimesDemo.java 1 import java.util.ArrayList; 2 3 public class PrimesDemo 4 { public static void main(String[] args) { ArrayList primes = new ArrayList<>(); primes.add(2); primes.add(3); primes.add(5); primes.add(7); primes.add(11); 6 7 8 9 10 11 12 13 14 for (. .) 15 System.out.print(. . .); } System.out.println(); } 16 17 18 19
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- getListRowIndices Method public static java.util.ArrayList<java.lang.Integer> getListRowIndices(int[][] array, int rowLength) This method returns an ArrayList with the indices of rows of the two-dimensional having a length that corresponds to rowLength. You may only use one auxiliary method. The method should create an ArrayList that is passed to the auxiliary in order to place the indices (if any). If no indices are found, an empty (size of 0) ArrayList will be returned. You can assume the array parameter will not be null and every row of the two-dimensional array has an array with a size of at least 0. Your implementation must be recursive and you may not use any loop construct. Do not use ++ or -- in any recursive call argument. It may lead to an infinite recursion. For example, use index + 1, instead of index++. Parameters: array - rowLength - Returns: ArrayList<Integer>Enhanced selection sort SelectionSortDemo.java package chapter7; /** This program demonstrates the selectionSort method in the ArrayTools class. */ public class SelectionSortDemo { public static void main(String[] arg) { int[] values = {5, 7, 2, 8, 9, 1}; // Display the unsorted array. System.out.println("The unsorted values are:"); for (int i = 0; i < values.length; i++) System.out.print(values[i] + " "); System.out.println(); // Sort the array. selectionSort(values); // Display the sorted array. System.out.println("The sorted values are:"); for (int i = 0; i < values.length; i++) System.out.print(values[i] + " "); System.out.println(); } /** The selectionSort method performs a selection sort on an int array. The array is sorted in ascending order. @param array The array to sort. */ public static void selectionSort(int[] array) { int startScan, index, minIndex, minValue; for (startScan = 0; startScan < (array.length-1); startScan++) { minIndex = startScan; minValue =…Find the index of the first negative numberIntegerListUtils.java import java.util.ArrayList; public class IntegerListUtils { /** * Finds the index of the first negative number in the list. * * @param numbers a list of integers * @return the index of the first negative number, or -1 if no negative number found */ public static int findIndexOfFirstNegative(ArrayList<Integer> numbers) { // complete this method }}
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