CHALLENGEACTIVITY7.2.2: Printing array elements.Write three statements to print the first three elements of array runTimes. Follow each statement with a newline. Ex: If runTimes[5]= {800, 775, 790, 805, 808}, print:800775790Note: These activities will test the code with different test values. This activity will perform two tests, both with a 5-element array(int runTimes[5]). See "How to Use zyBooks".Also note: If the submitted code tries to access an invalid array element, such as runTimes[9] for a 5-element array, the test maygenerate strange results. Or the test may crash and report "Program end never reached", in which case the system doesn't print thetest case that caused the reported message.324758.2040686.qx3zgy71 #include 21 testpassed3 int main(void) {const int NUM_ELEMENTS = 5;int runtimes[NUM_ELEMENTS];int i;4All testspassedfor (i = 0; i < NUM_ELEMENTS; ++i) {scanf("%d", &(runTimes[i]));}89101112V* Your solution goes here */1314return 0;15 )DIDI

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Answered: CHALLENGE 7.2.2: Printing array…

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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Write a Java class, XXX_Lab71, where XXX is your Kean email ID. The classwill do the following:1) Create an Array which can contain 5 elements using an initializer list.2) The values in the list will be: 11, 22, 33, 44, 553) Using an assignment statement, change the element at index position,3, to 88.4) Print the elements of the array from first to last using a loop. Use thelength property to print the elements.5) Print the elements of the array from last to first using a loop. Use thelength property to print the elements.
in java Integer numVals is read from input and integer array userCounts is declared with size numVals. Then, numVals integers are read from input and stored into userCounts. Output all elements of userCounts in reverse order, following each element with a space, including the last. After the final output, end with a newline. Ex: If the input is 4 54 56 75 7 then the output is: Array contents in reverse: 7 75 56 54 Note: The loop should start with i = userCounts.length - 1 and end with i = 0. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 import java.util.Scanner; public class UserLog { publicstaticvoidmain(String[] args) { Scannerscnr=newScanner(System.in); intnumVals; inti; numVals=scnr.nextInt(); int[] userCounts=newint[numVals]; for (i=0; i<userCounts.length; ++i) { userCounts[i] =scnr.nextInt(); } System.out.print("Array contents in reverse: "); /* Your code goes here */ } }
vWhat happens when an object such as an array is no longer referenced by a variable?
Q2. Write a Java program named RandomNumbers that creates a single-dimensional array of int of size 20 and initialize its elements with 20 random integer numbers (their range must be between 1 and 100 inclusive. Write statements in your program to display the array elements, and how many odd and even numbers are there in the array. For example, if the random numbers were stored in the array are: 83 48 89 66 40 94 31 31 12 45 45 87 10 24 78 2 28 31 52 46 Then the program should display: The random numbers are: 83 48 89 66 40 94 31 31 12 45 45 87 10 24 78 2 28 31 52 46 There are 8 odd numbers There are 12 even numbers An element in the array is a peak (max or min) if the elements before and after that element are greater than the element itself (min) or the elements before and after that element are less than the element (max). Write a method in your program called displayPeaks…
Parameters array - Any JavaScript Array size - A positive integer Number indicating the desired "chunk" size. Return Value A new Array of Arrays. Each sub-Array has a length equal to size. Remaining elements are gathered into a final sub-Array. Do not mutate the input array Do not use Array.prototype.slice in your implementation.Do not use Array.prototype.shift in your implementation.Do not use Array.prototype.pop in your implementation.Do not use Array.prototype.splice in your implementation. Please fix this JavaScript function so that the when calling the function with the parameters chunk([false, true, false, true], 3); the output is [[false, true, false], [true]] (subarrays)and when the parameters are chunk([undefined, null, 0, false, NaN, ""], 3); the output is [[undefined, null, 0], [false, NaN, ""]] thank you very much! function chunk(ar, sz) { var res = []; var ind = 0; // itterating through the new length of resulting array for (var i = 0; i < ar.length / sz; i++)…
can you explain the code with comments import randomrandom.seed = 1class array: def __init__(self, valuelist): self.atos = valuelist.copy() # this variable is the array that holds the data def additem(self, value): # adds a item to the array self.atos.append(value) def printarray(self): # prints the self.atos print(self.atos) def __contains__(self, key): # To test the binary search change the "__linearsearch" to "__binsearch" return self.__binsearch(key) def __linearsearch(self, key): # Implements the linear search to find an item in the array for item in self.atos: if item == key: return True return False def __binsearch(self, key): temp = sorted(self.atos) # Implements the binary search to find an item in the array temp. This implements an iterative bin search algorithm. low = 0 high = len(temp) - 1 while low <= high:…
RU Rotten Tomatoes . Write a program RURottenTomatoes.java that creates a 2 dimensional integer array of movie ratings from the command line arguments and displays the index of the movie that has the highest sum of ratings. Ratings range from 1 to 5 (inclusive). The rows of the 2D array correspond to movie reviewers and the columns of the 2D array correspond to movies. The reviewer at index 2 gave movie at index 0 a rating of 4. Take a look at the following example for an explanation on the command line arguments sequence. java RURottenTomatoes 3 2 5 2 3 3 4 1 0 1 0 5 2 1 3 3 2 4 1 The first argument corresponds to the number of reviewers and the second argument corresponds to the number of movies (the dimensions of the 2D integer array). Following are the movie ratings in a row-major order.…
Can help in java ? Define a two-dimensional array of names. For each row: • specify the name with the longest length • check for a name starting with "A" (save its index) Save the results in one-dimensional arrays (initialize all elements of the second result array with -1 initially). Display an array of names, the names with the longest length of each line, and the name starting with "A" from each line or a message that there is none.
Find a duplicate . Write a program FindDuplicate.java that reads n integer arguments from the command line into an integer array of length n, where each value is between is 1 and n, and displays true if there are any duplicate values, false otherwise. Example: java FindDuplicate 2 10 8 5 4 1 3 6 7 9false java FindDuplicate 4 5 2 1 2true
2. a)What is the index where “first” is stored? b)What is the capacity of the ArrayList? c)What is the size of the ArrayList? d)Write the Java code that would insert the the Strings “first”, “second”, “third” into the original arraycreated in the above. e)What would happen if you inserted the Strings “first”, “second”, “third” and “fourth” into the original array?
4.4.1: Modify an array parameter. Write a method swapArrayEnds() that swaps the first and last elements of its array parameter. Ex: sortArray = {10, 20, 30, 40} becomes {40, 20, 30, 10}.
What is the value of J[2][1] in the following array declaration? int[][] J= {{5, 10 }, {15, 20, 25}, {30, 35}}; a. 20 b. 30 c. 35 d. 15

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