•• 8. Write a method that returns the sum of a given row in a two-dimensional array. Complete this code:ArrayUtil.java1 public class ArrayUtil2 {/**Computes the sum of a given row in a two-dimensional array.@param values the array@param the row whose sum to compute@return the sum of the given row*/public static int rowSum(int[][] values, int row){3481011}13 }12RowSumTester.java1 public class RowSumTester2 {public static void main(String[] args){46.int[][] counts ={ 1, 0, 1 },{ 1, 1, 0 },{ 0, 0, 1 },{ 1, 0, 0 },{ 0, 1, 1 },{ 0, 1, 1 },{ 1, 1, 0 }1011121314};int sum = ArrayUtil.rowSum(counts, 5);1516System.out.println(sum);System.out.println("Expected: 2");171819int[][] magicSquare = {{ 16, 3, 2, 13 },{ 5, 10, 11, 8 },{ 9, 6, 7, 12 },{ 4, 15, 14, 1 },};20212223242526for (int row = 0; row <= 3; row++){System.out.println(ArrayUtil. rowSum(magicSquare, row));System.out.println("Expected: 34");}27282930313233 }

PROGRAM: ArrayUtil.java: public class ArrayUtil { /** Computes the sum of a given row in a…

Answered: •• 8. Write a method that returns the…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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1. Array splitting in Java Create an integer array with 10 integer numbers, initialize the array arbitrarily but make sure there are both positive and negative integers. Then generate two arrays out of the original array, one array with all natural numbers (positive numbers or zeros) and another one with all negative numbers. Print out the number of elements and the detailed elements in each array.
5
1Code a JavaScript callback function for the Array.map method to ('Yu Yamaguchi') evaluate an array of integersidentify the integers that are Prime numbersreturn the Prime numbers in the new array 2 Code a JavaScript callback function for the Array.reduce method to evaluate an array of integersdetermine the smalles integerreturn the smalles integer Note: if there are identical integers, the function is to return the last one.
Write java code that recursively calculates the Sum of the array cells. Program requirements: Create an array named MyArr and initialize it as follow: 19 27 81 243 88 1- Write a method named ArrSum that recursively calculates the Sum of the numbers in the Array and returns the Sum of the numbers. Hint: Method with 1 parameter (the Array) that returns 1 value (the Array's Sum). 2- Write a method named Display that displays the Array contents and Sum of the numbers. Hint: Method with 2 parameters (the Array) and Sum with no returns (void) 3- Your program output format must be the same as the following: =>> Array Summation Array: 31 19 27 81 243 88 100 6 10 5 Sum: 610 =>> End of the Program Documentation / Comments 31 100 6 10 5
1. Deck.java The Deck class represents a deck of cards. It starts off with 52 cards, but as cards are dealt from the deck. the number of cards becomes smaller. The class has one private instance variable that stores the Cards that are currently in the Deck: private Card] carde; Important Note: The first Card in the array will be considered the card that Is at the top of the deck. Whon cards aro removed from the deck they will be removed from the front of the array. You must implement the flollowing methods for the Deck class: • public Dock) This constructor initializes the Deck with 52 card objacts, representing the 52 cards that are in a standard deck. The cards must be ordered as in the diagram below: Important: The FIRST card in your array should be the Ace of Spades, and the LAST card should be the King of Diamonds. Note that in the picture below, the Ace of Spades is at the TOP of the deck, which is to the left. A234567890 J.0KA234567 25456 10KA2 S45 57|8|90U.0高 • public Deck(Deck…
Method Details getCountInRange public static int getCountInRange(int[] array, int lower, int upper) Returns the number of values in the range defined by lower (inclusive) and upper (inclusive) Parameters: array - integer array lower - lower limit upper - upper limit Returns: Number of values found Throws: java.lang.IllegalArgumentException - if array is null or lower is greater than upper Any error message is fine (e.g., "Invalid parameters(s)")
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Paragraph Styles Editing 5. Given the following series of n integers:1+2+3++n-2+n-1+nWrite a Java method that returns the sum of the series. 6. Given the following function:f(x)-2xFor, determine 7. Consider an array that stores the following sequence of integers:10, 15, 20, 25, 30Write a Java method that returns the sum of the integers stored in the array. The array must be passed to the method as an argument. I OFocus E

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