6936312324write amethod that takes an array of boolean values andreturns a reference to an integer array of all elementindexes that have the value of true in the argumentarrayHere is the method headerstatic int [] trueElements(bool[] b) // returns anarray with the positions (indexes) of where trueelements are in the array bbool [] myBoo ={true, false, false, true, false, false, true};int[] result = trueElements (myBoo);for (int i = 0; i < result.Length; i++)Console.WriteLine(result[i]);If your method is correct, the the consoleshould show the following valuesMicrosoft Visual Studio Debug Console

The problem is asking to write a method that takes an array of boolean values as an argument and…

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Microsoft Visual C#

7th Edition

ISBN:9781337102100

Author:Joyce, Farrell.

Publisher:Joyce, Farrell.

Chapter6: Using Arrays

Section: Chapter Questions

Problem 19RQ

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Project Description: In this project you implement an ArrayStack ADT and use the stack for implementing the following methods: a) Reverse an array of Words: Accept an array of words as input parameter and return an array of words in reverse order. Use the method signature: public static String[] reverseWords (String[] wordList) Example Input: Bird Cat Dog Elephant Output: Elephant Dog Cat Bird
Complete the method endsInFive that takes as arguments a 2D-array of integers and an integer value that represents a column index in the array. endsInFive returns the number of values in the column that end in 5. It is possible that the array is ragged, meaning that the number of columns in each row is different. For example, 2 is returned if the following 2D-array is passed as the first argument of endsInFive and the integer 3 as the second argument (the values 25 and 115 end in five at column index 3).
Write a call to Arrays static method equals with arguments arrayl and array2.
public static ArrayList findExactString(String s, ArrayList myArray) { return null; } // Use the above method, findExactString, as a helper method to implement addWithoutDuplication method. The addWithoutDuplication method has the following properties: 1- It takes two arguments, a string s and an ArrayList myArray of type string. 2- It returns an integer which represents the number of occurrences of the string s in myArray while attempting to add it. 3- If myArray is null, it returns -1 4- If adds the string s to the end of the ArrayList myArray if the string s is not already there. public static int addwithout Duplication(String s, ArrayList myArray) { return -1;
For an array declartion of int number [25];, what will be the ending index? 0 1 24 25
TableAA.java Write a program that will store a multiplication table in a 2-D array. The user will enter how many lines (rows) it will have. The table will be printed to the screen. (Make it look nice – consider using printf.) This program will contain a static method. This method will take in an integer (the user’s number) and it will return a 2-D array. The code inside of the method will create the array, fill it with all the appropriate values that one would expect in a multiplication table, and then return that filled array. In the main method, you will ask the user how many lines they want to see and then you will use your static method to get the array. Once you have the array back from the static method, use nested for loops to print it in table form. See samples on the following pages. Program only needs to run once. Add try/catches so the user can only enter positive integers (1 and higher).
Description Write a Java program, called LinearSearch1 that contains a static method called findElement() that accepts a double array and a double as its parameters and return a boolean value if the double number entered is contained in the double array. In the main method you should use user input to take the element you wish to search for in the array. There is code there for your array, DO NOT CHANGE THIS CODE. Your program should call findElement() to check for the occurence of the double number entered in the array. You should print an appropriate message to the screen if the element is found. Output A message stating if the element is found. Sample Input 1 678.954 Sample Array 1 345.6 678.954 234.534 -89.23 Sample Output 1 678.954 was found in the array Sample Input 2 65.45 Sample Array 2 345.6 678.954 234.534 -89.23 Sample Output 2 65.45 was NOT found in the array
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>
Write the following method that returns the locationof the smallest element in a two-dimensional array.public static int[] locateSmallest(double[][] a)The return value is a one-dimensional array that contains two elements. Thesetwo elements indicate the row and column indices of the smallest element in thetwo-dimensional array. Write a test program that prompts the user to enter a twodimensionalarray and displays the location of the smallest element in the array.Here is a sample run: Enter the number of rows and columns of the array: 3 4↵EnterEnter the array:23.5 35 2 10↵Enter4.5 3 45 3.5↵Enter35 44 5.5 9.6↵EnterThe location of the smallest element is at (0, 2)**
Problem #3. Design an ArrayList that asks the user to input 10 numbers. Get the sum of evennumbers, odd numbers, positive numbers, and negative numbers.Class Name: ArrayListSumPostitiveNegativeNumbersSample Input/Output:Enter the 10 values of the ArrayList12345-1-2-3-4-5The sum of even numbers is: 0The sum of odd numbers is:0The sum of positive numbers is:15The sum of negative numbers is:-15 Machine Problem #4. Design an ArrayList that asks the user to input 15 numbers. Get the highest and smallestvalueClass Name: ArrayListBiggestSmallestSample Input/Output:Enter the values of the 3-D array:123456789101112131415The highest value is: 15The smallest value is: 1 use java language
Write a method with header static void DisplayIntArray(int[] numbers). The first argument is an array of ints. There is no return value. This method displays all the elements of the argument on a single line. Each item will occupy three columns.Call this method from main with a suitable argument. Write a method with header static int[] GenerateRandomIntArray(int numberOfItems, int largestValue). The first argument is an int indicating the number of elements that will be present in the return array. The second argument is an int representing the largest item in the array. The returned value is an array of integers. This method does the following: Declare and initialized a variable of type Random (Random generator = new Random();) Declare an array of type int (you may call it result) Allocate storage for the correct number of items Using your favorite looping statement, assign a random integer to each element of the array (result[i] = generator.Next(largestValue);) In your…
X908: expandAndCopyArray Write a method that takes an argument representing an array, orig, and returns a new array that is 50% bigger than the original one. The new array should also have all the values copied over to the new array. Examples: expandAndCopyArray ({1, 10)) -> (1, 10, 0) Your Answer: 1 public static int[] expandAndCopy (int[] array) 2 ( 3)

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