D. The method construct will receive four parameters: an integer k, and three arrays called old1, old2, andsumarr. The method will construct the first k elements of the sumarr array fromt the first k elements of theoldi and old2 arrays, as follows. Each element of sumarr will be equal to the sum of the correspondingelements of gldi and gld2. For example, sumarri0] will be old1[0]+old2[0], sumarr[1] will be old1[1] +old2[1] and so on. (You are using parallel arrays.)Write a complete Java program to do the following: the main program will call a series of methods toprocess a set of data. One method will read data into two arrays. A second method will print the valuesstored in an array. A third method will find the smallest of the values stored in an array. A fourth methodwill construct a new array from two existing arrays. A fifth method will compare the values in the twoarrays. Use files for both input and output. Be sure to pass the file variable to any method that will needit.E. The method whatsHigher will receive three parameters: two arrays (called scorel and score2), and aninteger n(giving the size of the two arrays). The method will compare the two arrays, element by element,to calculate in which array the value is higher. For each array element, the method will print which array hasthe higher value (or if the two values are equal). The method should print each of the values, the array it isfrom and the relationship. For example, for the data above, the method should print something like thefollowing messages:1. The main program will read in n from the input file and call a method readData to read n items into twoarrays (which the main program will call scorel and score2). All data values must be read from a file, and allvalues except the parameter value must be read in the method. Assume there are maximum 50 pairs ofvalues to read.In position O the higher value is in array score1: 18 is higher than 13in position 1 the higher value is in array score2: 42 is higher than 21in position 2 the value is the same in both arrays: 662. The main program will call a method printArray twice to print the values stored in the two arrays. (Callthe method once to print array scorel and once to print array score2.) Each time before the main programcalls the printing method, it should print a heading saying what is being printed (for example, it could say"scorel array"). All output, including headings should go to a file.In addition, the method counts how many times the value from scorel is larger, how many times the valuefrom score2 is larger, and how many time the values in the two arrays are equal. Use local variables for thecounters. Print these values before returning to the main method.3. For each array, the main program will call a method smallest which will find the smallest of the n valuesstored in an array. The main program will call the method once to find the smallest of the n values stored inthe scorel array, and once to find the smallest of the n values stored in the score2 array. After each call, themain program will print the returned value, together with a relevant message.DATA: Please read the data from a file which is to be prepared in advance (be sure to submit the file). Use aparameter value of 10-15, but write a program which will work for any size arrays up to 50 or so. Make surethat the smallest element does not occur in the first or the last position of an array. Make sure that thesmallest element does not occur at the same position in each array. Make sure that the two arrays have thesame value in at least one position. Try to make sure that the value make the counters printed at the endhave 3 different values.4. The main program will call a method construct. The method will construct a new array (which the mainprogram will call sumscore) from the two arrays scorel and score2. Then construct will call printarray toprint the sumscore array. Either main or the method construct can print the heading for the sumscorearray. The sumscore array will need to be sent back to the main program, either as a return value or as anarray parameter.SAMPLE INPUT AND OUTPUT: (make yours larger)Input:5. The main program will call the method smallest again to find the smallest of the n values stored in thesumscore array. The main program will print this value.6.95 9498986. The main program will call a method whatsHigher. This method will be used to compare the contents ofthe scorel and score2 arrays. The method will receive three parameters: two arrays (scorel and score2),and an integer n (giving the size of the two arrays). The method will compare the two arrays, element byelement, to calculate in which array the corresponding value is higher. It will also count how many timesthe value in scorel is higher, and how many times in score2 is higher. It will print the counters, togetherwith clear messages.4245431864548379Sample output for this data file (your order and words might be slightly different):Here are the details of the methods.There are 6 values in each array.The scorel array:95 98 42 43 64 83The score2 array:A. The method readData will read the data into two arrays. The method will receive three parameters: aninteger n, and two arrays which it calls nums1 and nums2. At the beginning, only the parameter n will havea value. The value of n will be used to control the action of the method, as described below.The method will read n sets of data. Each set of data should contain two integers; the first will be readinto nums1, and second will be read into nums2. (The values stored in these parameters will remain whenthe method returns to the main program, and they can be used throughout the program.) For example,suppose the data set is the following:94 98 45 18 54 79The smallest value in scorel is 42The smallest value in score2 is 18The sumscore array: 189 196 87 61 118 16231813The smallest value in sumscore is 612142In position 0, array scorel is larger: 95 is greater than 94In position 1, the two arrays have the same value: 986666The main program will read the value 3 into the variable n. In readData, the array nums1 will get the values18, 21, and 66, and the array nums2 will get the values 13, 42, 66. Note that you cannot read down thecolumn of values - the two values you read will come from the same line, and you will place the values intothe two arrays.Array scorel was larger 4 time(s)Array score2 was larger 1 time(s)The two arrays were equal 1 time(s)B The method printArray will receive two parameters, an integer lim, and an array called vals. It will printthe lim values stored in the array vals, all on one line, with spaces between the values.C. The method smallest will receive two parameters, an integer num and an array called arr. It will find andreturn the smallest of the first num elements of the arr array.

Java code :- import java.util.Scanner;public class Array_Sum{ public static void main(String[]…

Input: 95 94 98 98 42 45 43 18 64 54 83 79 Sample output for this data file (your order and words might be slightly different): There are 6 values in each array. The scorel array: 95 98 42 43 64 83 The score2 array: 94 98 45 18 54 79 The smallest value in scorel is 42 The smallest value in score2 is 18 The sumscore array: 189 196 87 61 118 162 The smallest value in sumscore is 61 In position 0, array scorel is larger: 95 is greater than 94 In position 1, the two arrays have the same value: 98 Array scorel was larger 4 time(s) Array score2 was larger 1 time(s) The two arrays were equal 1 time(s)

Input: 95 94 98 98 42 45 43 18 64 54 83 79 Sample output for this data file (your order and words might be slightly different): There are 6 values in each array. The scorel array: 95 98 42 43 64 83 The score2 array: 94 98 45 18 54 79 The smallest value in scorel is 42 The smallest value in score2 is 18 The sumscore array: 189 196 87 61 118 162 The smallest value in sumscore is 61 In position 0, array scorel is larger: 95 is greater than 94 In position 1, the two arrays have the same value: 98 Array scorel was larger 4 time(s) Array score2 was larger 1 time(s) The two arrays were equal 1 time(s)

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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Assignment A scientist has developed a mathematical model for a physical process, and he wants to check how good is model is. To evaluate the correctness of his model, he wants to test the results of his model under certain parameters and compare them with experimental results. Write a program that first reads the number of tests (testCount) as an int followed by the results of each test according to the model as a double array (testModel) and finally the results of each test according to experiments as a double array (testExperiment). Then, the program should calculate the error of the model by evaluating the average of the absolute values (i.e., mutlak değer) of the differences between the model result and experimental result (see formula below) using a function. ItestModel,- textExperiment, testCount NOTE: Individual absolute value of the difference between the model value and the experiment value calculations MUST be done in the function. Every other functionality MUST be done in…
Assignment A scientist has developed a mathematical model for a physical process, and he wants to check how good is model is. To evaluate the correctness of his model, he wants to test the results of his model under certain parameters and compare them with experimental results. Write a program that first reads the number of tests (testCount) as an int followed by the results of each test according to the model as a double array (testModel) and finally the results of each test according to experiments as a double array (testExperiment). Then, the program should calculate the error of the model by evaluating the average of the ratio of absolute values (i.e., mutlak değer) of the differences between the model result and experimental result to the model result (see formula below) using a function. testCount testModel, - textExperiment, testModel, Error= Input testCount NOTE: Individual ratio of absolute value of the difference between the model value and the experiment value to the model…
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Suppose you are given a list of students registered in a course and you are required to implement an array-based student list. Each student in the list has name, regNo, department and cGpa. Implement different functions for entering the data (like constructor (for setting to default values), setName, setReg, etc.). You also need to implement the following function related to the array. insertStudent( ) : It has 2 options • Asking the user for index and then insert the student at that index AND • Asking the user for name of the student where the new student is to be added (New student should be added at the index of the student whose name is entered) o If the list is full, it should create a larger list (new size should be entered by the user), copy all the data in it and make insertion as instructed o (Insertion will only be made if the reg of the new student doesn’t exist in the list) deleteStudent( ): Same as insertStudent( ) (either by asking the index or student name) sort( ): Ask…