2.45 LAB: Divide input integers Write a program using integers userNum and divNum as input, and output userNum divided by divNum three times. Note: End with a newline. Ex: If the input is: 2000 2 the output is: 1000 500 250 Note: In Java, integer division discards fractions. Ex: 6/4 is 1 (the 0.5 is discarded).

2.45 LAB: Divide input integers Write a program using integers userNum and divNum as input, and output userNum divided by divNum three times. Note: End with a newline. Ex: If the input is: 2000 2 the output is: 1000 500 250 Note: In Java, integer division discards fractions. Ex: 6/4 is 1 (the 0.5 is discarded).

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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3.21 LAB: Interstate highway numbers Primary U.S. interstate highways are numbered 1-99. Odd numbers (like the 5 or 95) go north/south, and evens (like the 10 or 90) go east/west. Auxiliary highways are numbered 100-999, and service the primary highway indicated by the rightmost two digits. Thus, I- 405 services l-5, and l-290 services l-90. Given a highway number, indicate whether it is a primary or auxiliary highway. If auxiliary, indicate what primary highway it serves. Also indicate if the (primary) highway runs north/south or east/west. Ex: If the input is: 90 the output is: I-90 is primary, going east/west. Ex: If the input is: 290 the output is: I-290 is auxiliary, serving I-90, going east/west. Ex: If the input is: or any number not between 1 and 999, the output is: O is not a valid interstate highway number. See Wikipedia for more info on highway numbering. 316334.1338446.qx3zay7 LAB 3.21.1: LAB: Interstate highway numbers 0/ 10 АCTIVITY
import java.util.ArrayList; /*** A class to hold details of audio files.** @author David J. Barnes and Michael Kölling* @version 2011.07.31*/public class MusicOrganizer{// An ArrayList for storing the file names of music files.private ArrayList<String> files;/*** Create a MusicOrganizer*/public MusicOrganizer(){files = new ArrayList<String>();}/*** Add a file to the collection.* @param filename The file to be added.*/public void addFile(String filename){files.add(filename);}/*** Return the number of files in the collection.* @return The number of files in the collection.*/public int getNumberOfFiles(){return files.size();}/*** List a file from the collection.* @param index The index of the file to be listed.*/public void listFile(int index){if(index >= 0 && index < files.size()) {String filename = files.get(index);System.out.println(filename);}}/*** Remove a file from the collection.* @param index The index of the file to be removed.*/public void…
Write all the code within the main method in the Test Truck class below. Implement the following functionality. a) Constructs two truck objects: one with any make and model you choose and the second object with gas tank capacity 10. b) If an exception occurs, print the stack trace. c) Prints both truck objects that were constructed. import java.lang.IllegalArgumentException ; public class TestTruck { public static void main ( String [] args ) { heres the truck class information A Truck can be described as having a make (string), model (string), gas tank capacity (double), and whether it has a manual transmission (or not). Include the following methods in your class definition. . An overloaded constructor which takes the make and model. This method throws an IllegalArgumentException if the make is "Jeep". An overloaded constructor which takes the gas tank capacity. This method throws an IllegalArgumentException if the capacity of the gas…
C. Using the starter code please modify in Java public class L08 { public static void main(String[] args) { // TO DO: // Test your radix sort implementation here } // TO DO: // Implement // NOTE: You can assume that all strings in the array have the same length public static void radixSort(String[] array) { } //////* HELPER METHODS *////// private static String[] generateStringArray(int wordLen, int arrLen) { String[] array = new String[arrLen]; for(int i = 0; i < arrLen; i++) { StringBuilder sb = new StringBuilder(); for(int j = 0; j < wordLen; j++) { sb.append((char)('a' + Math.random() * ('z' - 'a' + 1))); } array[i] = sb.toString(); } return array; } private static void displayStringArray (String[] array) { for(String s : array) { System.out.println(s); } } private static boolean isSortedInNondescendingOrder(String[] array) { for(int i = 1; i < array.length; i++) { if (array[i].compareTo(array[i-1]) < 0) { return false; } } return true; } } Implement radix sort for…
People find it easier to read time in hours, minutes, and seconds rather than just seconds. Write a program that reads in seconds as input, and outputs the time in hours, minutes, and seconds. Ex: If the input is: 4000 the output is: Hours: 1 Minutes: 6 Seconds: 40
How to fix this error LocalResource.java:213: error: constructor LocalResource in class LocalResource cannot be applied to given types; super("", "", dob, sector); ^ required: String,String found: String,String,String,String reason: actual and formal argument lists differ in length class LocalConsultant extends LocalResource implements Citizen, Consultant { private String skill;private double permitTax; public LocalConsultant(String dob, String sector, double skillPrice, double taxRate, String skill) { super("", "", dob, sector); this.skill = skill; this.permitTax = taxRate * skillPrice;} public double earnFromSkill(){ return permitTax;} public String getContact(){ return "LocalConsultant#" + getId();}
CTU Mobile 9:35 AM Sun Aug 21 =zyBooks 2.8 LAB: Smallest number Instructor note: Important Coding Guidelines: • Use comments, and whitespaces around operators and assignments. • Use line breaks and indent your code. My library > CS 226T: Java Programming home > 2.8: LAB: Smallest number 7 15 3 the output is: 3 Use naming conventions for variables, functions, methods, and more. This makes it easier to understand the code. • Write simple code and do not over complicate the logic. Code exhibits simplicity when it's well organized, logically minimal, and easily readable. Write a program whose inputs are three integers, and whose output is the smallest of the three values. Ex: If the input is: learn.zybooks.com 422784.2543518.qx3zqy7 LAB ACTIVITY 2.8.1: LAB: Smallest number EzyBooks catalog ? Help/FAQ Stacey Queen LabProgram.java 0/10 VPN 87% Load default template...
package filterSort;import java.io.File;import java.io.FileNotFoundException;import java.util.Arrays;import java.util.Scanner;import java.util.*; public class FilterSort { /*** Allocates and returns an integer array twice the size of the one* supplied as a parameter. The first half of the new array will* be a copy of the supplied array and the second half of the new* array will be zeros.** @param arr the array to be copied* @return array twice the size of <tt>arr</tt> with its initial* elements copied from <tt>arr</tt>* @throws NullPointerException if <tt>arr</tt> is null.*/public static int[] doubleArrayAndCopy(int[] arr) {int len = arr.length;int max = arr.length * 2;int[] copyArr = Arrays.copyOf(arr,max);int length = copyArr.length-1;Arrays.sort(copyArr, 0, length);return copyArr; } public static void main(String[] args) {int[] data = new int[8];try {File file = new File("data.txt");Scanner myReader = new Scanner(file);for(int i = 0;…
7. Consider the following Java code: import java.util.Scanner; public class Q8 { public static void main (String args[]) { Scanner read = new Scanner (System.in); int num = o, sum - 10; try { num = read.nextInt (); System.out.printın ("Starting"); sum = sum / num; if (sum == 5) throw new Exception ("Lower limit error"): System.out.printin ("Stopping"); catch (ArithmeticException ex) { sum - sum / 10; catch (Exception ex) { System.out.printin ("An Exception occurs") ; finally { if (sum <= 0) sum = 100; System.out.printin ("Sum " +sum ); What is the output of this code if the user inputs an int 0?
Enhanced binary search BinarySearchDemo.java package chapter7; import java.util.Scanner; /** This program demonstrates the binary search method in the ArrayTools class. */ public class BinarySearchDemo { public static void main(String[] args) { // The values in the following array are sorted // in ascending order. int numbers[] = {101, 142, 147, 189, 199, 207, 222, 234, 289, 296, 310, 319, 388, 394, 417, 429, 447, 521, 536, 600}; int result, searchValue; String input; // Create the console input objects. Scanner keyboard = new Scanner(System.in); do { // Get a value to search for. System.out.print("Enter a value to search for: "); searchValue = keyboard.nextInt(); // Search for the value result = binarySearch(numbers, searchValue); // Display the results. if (result == -1) System.out.println(searchValue + " was not found."); else { System.out.println(searchValue + " was found at " + "element " + result); } // Consume the remaining newline. keyboard.nextLine(); // Does the user want…
Enhanced binary search BinarySearchDemo.java package chapter7; import java.util.Scanner; /** This program demonstrates the binary search method in the ArrayTools class. */ public class BinarySearchDemo { public static void main(String[] args) { // The values in the following array are sorted // in ascending order. int numbers[] = {101, 142, 147, 189, 199, 207, 222, 234, 289, 296, 310, 319, 388, 394, 417, 429, 447, 521, 536, 600}; int result, searchValue; String input; // Create the console input objects. Scanner keyboard = new Scanner(System.in); do { // Get a value to search for. System.out.print("Enter a value to search for: "); searchValue = keyboard.nextInt(); // Search for the value result = binarySearch(numbers, searchValue); // Display the results. if (result == -1) System.out.println(searchValue + " was not found."); else { System.out.println(searchValue + " was found at " + "element " + result); } // Consume the remaining newline. keyboard.nextLine(); // Does the user want…
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