What does the following code print out?class Main {public static void main (String [] args) {int [] myArray = {3, 41, 7, 12, 9, 1, 15, 11, 17};int result = mystery (myArray) ;System.out.println (result) :private static int mystery (int [] arr) {int number = 0;for (int i = 0; i < arr.length; i++) {if (arr[i] > 8) {number += arr[i];{}return number;O 41O 105O3, 7, 1, 15, 11, 1783

In this question, we have given a java code. We have to find the output of the code. We will run the…

Answered: What does the following code print out?…

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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Analyse the following code: public class Test { public static void main(String[] args) { int[] oldList = {1, 2, 3, 4, 5}; reverse(oldList); for (int i = 0; i < oldList.length; i++) System.out.print(oldList[i] + " "); } public static void reverse(int[] list) { int[] newList = new int[list.length]; for (int i = 0; i < list.length; i++) newList[i] = list[list.length - 1 - i]; list = newList; } } A. The program displays 1 2 3 4 5 and then raises an ArrayIndexOutOfBoundsException. B. The program displays 5 4 3 2 1. C. The program displays 1 2 3 4 5. D. The program displays 5 4 3 2 1 and then raises an ArrayIndexOutOfBoundsException.
Please help debug this: Debugging Exercise 4-3, Farrell, Joyce, Java Programming, 9th edition, Cengage Learning public class DebugBox { private int width; private int length; private int height; private FixDebugBox() { length = 1; width = 1; height = 1; } public DebugBox(int width, int length, int height) { width = width; length = length; height = height; } public void showData() { System.out.println("Width: " + width + " Length: " + length + " Height: " + height); } public double getVolume() { double vol = length - width - height; return vol; } }
a Java static method that will take an array of strings as its only parameter. The method will return the first string alphabetically (lowest) in the array.
Complete the sumOfDiagonals method in SumOfDiagonals.java to do the following public class SumOfDiagonals { public static void main(String[] args) { String[][] s1 = {{"2", "3", "4"}, {"5", "6", "7"}, {"8", "9", "10"}}; String[][] s2 = {{"1", "2", "3"}, {"5", "6", "7"}, {"9", "10", "11"}, {"13", "14", "15"}}; String[][] s3 = {{"1", "2", "3", "4"}, {"5", "6", "7", "8"}, {"9", "10", "11", "12"}, {"13", "14", "15", "16"}}; try { sumOfDiagonals(s1); sumOfDiagonals(s2); sumOfDiagonals(s3); } catch(NumberFormatException ex) { System.out.println("Not a valid integer"); } catch(IllegalArgumentException ex) { System.out.println("Array not a square"); } } public static void…
public class LabProgram { public static void main(String args[]) { Course course = new Course(); String first; // first name String last; // last name double gpa; // grade point average first = "Henry"; last = "Cabot"; gpa = 3.5; course.addStudent(new Student(first, last, gpa)); // Add 1st student first = "Brenda"; last = "Stern"; gpa = 2.0; course.addStudent(new Student(first, last, gpa)); // Add 2nd student first = "Jane"; last = "Flynn"; gpa = 3.9; course.addStudent(new Student(first, last, gpa)); // Add 3rd student first = "Lynda"; last = "Robison"; gpa = 3.2; course.addStudent(new Student(first, last, gpa)); // Add 4th student course.printRoster(); } } // Class representing a student public class Student { private String first; // first name private String last; // last name private double gpa; // grade point average…
THIS NEEDS TO BE DONE IN C#! NOT JAVA! NOT C++, NOT PYTHON! PLEASE WRITE THIS IN C#! Take the following class: class Pokemon { string Name; string Type; int Health; } Override the ToString method so that it it outputs the Pokemon's heath. Example: Let's say we have a Pikachu named Sparky and it had 200 health. When we called ToString, we would get the following string: Rex: Pikachu (200)
Write a recursive method that displaysa string reversely on the console using the following header: public static void reverseDisplay(String value) For example, reverseDisplay("abcd") displays dcba. Write a test programthat prompts the user to enter a string and displays its reversal.
when an individual array element of an array of type int is passed to a method, it is passed by reference. True False note : in a java
The intName method in the "Problem Solving: Stepwise Refinement" section accepted arguments < 1,000. Using a recursive call, extend its range to 999,999. For example an input of 12,345 should return " twelve thousand three hundred forty five". Note that some number names may have extra spaces at the beginning or end. import java.util.Scanner; public class IntegerName { /** Turns a number into its English name. @param number a positive integer < 999,999 @return the name of the number (e.g. "two hundred seventy four") */ public static String intName(int number) { int part = number; // The part that still needs to be converted String name = ""; // The name of the number if (part >= 1000) { // Recursively call intName } if (part >= 100) { name = digitName(part / 100) + " hundred"; part = part % 100; } if (part >= 20) { name = name + " " + tensName(part); part = part % 10; } else if (part >= 10) { name = name + " " + teenName(part); part = 0; } if (part > 0) { name =…
The language used here is in Java. Please answer the question in the screenshot. Please use the code below as a base. Please only answer question 2. import java.util.*; class SortingPack { // just in case you need tis method for testing public static void main(String[] args) { // something } // implementation of insertion sort // parameters: int array unsortedArr // return: sorted int array public static int[] insertionSort(int[] unsortedArr) { // to be removed return unsortedArr; } // implementation of quick sort // parameters: int array unsortedArr // return: sorted int array public static int[] quickSort(int[] unsortedArr) { // to be removed return unsortedArr; } // implementation of merge sort // parameters: int array unsortedArr // return: sorted int array public static int[] mergeSort(int[] unsortedArr) { // to be removed return unsortedArr; } // you are welcome to add any supporting methods } import java.util.*; public class SortingTest{ public static void main(String[] args) {…
Write a recursive Java method that takes a String as a parameter and returns true if the String is a palindrome. You may assume that the string only contains lower case characters (i.e. no numbers, spaces, punctuation, etc).
Q27 for java programing: public static void main(String[] args) { Dog[] dogs = { new Dog(), new Dog()}; for(int i = 0 ; i < dogs.length; i++) dogs[i].wo(); Cat[] cats = { new Cat(),new Cat(),new Cat()}; for(int i = 0 ; i < cats.length; i++) cats[i].me(); System.out.print(Dog.getCount()+" woofs and"); System.out.println(Cat.getCount()+" mews"); System.out.println("=====>>>"+decision()); } class Counter { private static int count; public static void inc() { count++;} public static int getCount() {return count;} } class Dog extends Counter{ public Dog(){} public void wo(){inc();} } class Cat extends Counter{ public Cat(){} public void me( ){inc();} } The Correct answer: public static void main(String[] args) { Dog[] dogs = { new Dog(), new Dog()}; for(int i = 0 ; i < dogs.length; i++) dogs[i].wo(); Cat[] cats = { new…

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