CHALLENGE 5.7.1: Decrement array elements. АСTVITY Write a loop that subtracts 1 from each element in lowerScores. If the element was already 0 or negative, assign 0 to the element Ex: lowerScores = (5, 0, 2, -3} becomes {4, 0, 1, 0}. import java.util.Scanner; public class StudentScores { public static void main (String [] args) { Scanner scnr = new Scanner (System.in); final int SCORES_SIZE 4; int [] lowerScores = ne ew int[SCORES_SIZE]; int i; for (i = 0; i < lowerScores.length; ++i) { %3D lowerScores[i] = scnr.nextInt();

CHALLENGE 5.7.1: Decrement array elements. АСTVITY Write a loop that subtracts 1 from each element in lowerScores. If the element was already 0 or negative, assign 0 to the element Ex: lowerScores = (5, 0, 2, -3} becomes {4, 0, 1, 0}. import java.util.Scanner; public class StudentScores { public static void main (String [] args) { Scanner scnr = new Scanner (System.in); final int SCORES_SIZE 4; int [] lowerScores = ne ew int[SCORES_SIZE]; int i; for (i = 0; i < lowerScores.length; ++i) { %3D lowerScores[i] = scnr.nextInt();

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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python:numpy def shoe_shopping(shoe_arr):'''QUESTION 4You're shopping on a budget and want to determine the cheapest shoe brandgiven an array of brands and prices. Return the brand with the lowestaverage price.Hint: You should create a new array of the prices with the correct dtype.Args:shoe_list(np.arry)Return: string>>> shoe_list1 = np.array([["Nike", "Adidas", "New Balance"],["110.99", "135.99", "94.99"],["85.99", "150.99", "105.99"],["225.99", "145.99", "130.99"]])>>> shoe_shopping(shoe_list1)'New Balance'''' # shoe_arr1 = np.array([["Nike", "Adidas", "New Balance"],# ["110.99", "135.99", "94.99"],# ["85.99", "150.99", "105.99"],# ["225.99", "145.99", "130.99"]])# print(shoe_shopping(shoe_arr1))# shoe_arr2 = np.array([["Converse", "Vans", "Dr. Martens", "Steve Madden"],# ["82.99", "250.99", "180.99", "109.99"],# ["99.99", "150.99", "115.99", "75.99"],# ["125.99", "115.99", "110.99", "99.99"]])# print(shoe_shopping(shoe_arr2))
Write the following method that returns the sum of all numbersin an ArrayList:public static double sum(ArrayList<Double> list)Write a test program that prompts the user to enter five numbers, stores them inan array list, and displays their sum.
New JAVA code can only be added between lines 9 and 10, as seen in image.
public ArrayList<Bus> loadBuses(String bfile) { ArrayList<Bus> buses = new ArrayList<>(); try { Scanner scanner = new Scanner(new File(bfile)); while (scanner.hasNextLine()) { String[] line = scanner.nextLine().split(" "); if (line.length < 4 || line.length > 7) { throw new IllegalArgumentException("Invalid input format"); } String name = line[1]; int size = Integer.parseInt(line[1]); int price = Integer.parseInt(line[2]); int level = Integer.parseInt(line[3]); Ministry ministry = null; if (line.length > 5) { ministry = new Ministry(line[5]); } int competitorArea, numSecurity, barArea; Bus bus; SportsBus sportsBus; PartyBus partyBus;…
Code to ::::implement a SnapshotArray that supports the following interface: SnapshotArray(int length) initializes an array-like data structure with the given length. Initially, each element equals 0. void set(index, val) sets the element at the given index to be equal to val. int snap() takes a snapshot of the array and returns the snap_id: the total number of times we called snap() minus 1. int get(index, snap_id) returns the value at the given index, at the time we took the snapshot with the given snap_id Example 1: Input: ["SnapshotArray","set","snap","set","get"] [[3],[0,5],[],[0,6],[0,0]] Output: [null,null,0,null,5] Explanation: SnapshotArray snapshotArr = new SnapshotArray(3); // set the length to be 3 snapshotArr.set(0,5); // Set array[0] = 5 snapshotArr.snap(); // Take a snapshot, return snap_id = 0 snapshotArr.set(0,6); snapshotArr.get(0,0); // Get the value of array[0] with snap_id = 0, return 5...
JAVA language, please add test screenshot public static int[] makeIntoPalindrome(int[] arr) Makes a palindrome from a given array by appending the smallest possible number of elements. For example, makeIntoPalindrome([1, 3, 7]) returns [1, 3, 7, 3, 1] makeIntoPalindrome([5, 4, 1, 3, 3, 1]) returns [5, 4, 1, 3, 3, 1, 4, 5] makeIntoPalindrome([1, 3, 3, 1]) returns [1, 3, 3, 1] makeIntoPalindrome([1, 4, 3, 2]) should return [1, 4, 3, 2, 3, 4, 1]. Parameters: arr - an array Returns: a new array that is a palindrome obtained by appending the fewest number of elements onto arr
Methods Details: public static java.lang.StringBuffer[] getArrayStringsLongerThan(java.lang.StringBuffer[] array, int length) Returns a StringBuffer array with COPIES of StringBuffer objects in the array parameter that have a length greater than the length parameter. If no strings are found an empty array will be returned. Parameters: array - length - Returns: Throws:java.lang.IllegalArgumentException - When a null array parameter is provided
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Assume that Mylist is an object of class type ArrayList of Java (similar to KWArrayList class) and it has the following values: "A1" "B1" "C1" "D1" "E1" the instruction Mylist.remove(3); will change the list to A) "A1" "B1" "D1" "E1" в) "А1" "B1" "C1" "E1" (c) "B1" "C1" "D1" "E1"
Q1. Implement a SnapshotArray that supports the following interface: SnapshotArray(int length) initializes an array-like data structure with the given length. Initially, each element equals 0. void set(index, val) sets the element at the given index to be equal to val. int snap() takes a snapshot of the array and returns the snap_id: the total number of times we called snap() minus 1. int get(index, snap_id) returns the value at the given index, at the time we took the snapshot with the given snap_id Example 1: Input: ["SnapshotArray","set","snap","set","get"] [[3],[0,5],[],[0,6],[0,0]] Output: [null,null,0,null,5] Explanation: SnapshotArray snapshotArr = new SnapshotArray(3); // set the length to be 3 snapshotArr.set(0,5); // Set array[0] = 5 snapshotArr.snap(); // Take a snapshot, return snap_id = 0 snapshotArr.set(0,6); snapshotArr.get(0,0); // Get the value of array[0] with snap_id = 0, return 5..
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