Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
11th Edition
ISBN: 9780134670942
Author: Y. Daniel Liang
Publisher: PEARSON
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Chapter 23, Problem 23.6PE

(Check order) Write the following overloaded methods that check whether an array is ordered in ascending order or descending order. By default, the method checks ascending order. To check descending order, pass false to the ascending argument in the method.

public static boolean ordered(int[] list)

public static boolean ordered(int[] list, boolean ascending)

public static boolean ordered(double[] list)

public static boolean ordered

 (doublet[] list, boolean ascending)

public static <E extends Comparable<E>>

 boolean ordered(E[] list)

public static <E extends Comparable<E>> boolean ordered

 (E[] list, boolean ascending)

public static <E> boolean ordered(E[] list,

 Comparator<? super E> comparator)

public static <E> boolean ordered(E[] list,

 Comparator<? super E> comparator, boolean ascending)

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7). (Sum ArrayList) Write the following method that returns the sum of all numbers in an ArrayList:           public static double sum(ArrayList<Double> list)
Method Details: public static void rotate​(int[] array, boolean leftRotation, int positions) Rotates the provided array left if leftRotation is true; right otherwise. The number of positions to rotate is determined by positions. For example, rotating the array 10, 20, 7, 8 two positions to the left will update the array to 7, 8, 10, 20. Only arrays with 2 or more elements will be rotated. Hint: adding private methods that rotate an array one position to the left and one position to the right can help. Parameters: array - leftRotation - positions - Throws:java.lang.IllegalArgumentException - When a null array parameter is provided
7). (Sum ArrayList) Write the following method that returns the sum of all numbers in an ArrayList:           public static double sum(ArrayList<Double> list) Note:- Please write a java code and also need an output for this program. (Also, let me know with what name file should be saved to get output)
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