ite a Java program (One class with a main method) to do the following: 1. Ask the user to enter an integer (n) 2. Declare an array of size n with integer data type. 3. Ask the user to enter the values of the array. 4. Create another array with of size n with integer data type. 5. Make a copy of the first array to the second array but in reverse order (e.g., the last element in the first array should be st in the first element in the second array and so on). 6. Output values stored in the two arrays. 7. Find and output how many values in both arrays are equal based on the index number, i.e. count matching values of two arrays based on same index value AND the element value of the array. mple Input/output ter n:4

ite a Java program (One class with a main method) to do the following: 1. Ask the user to enter an integer (n) 2. Declare an array of size n with integer data type. 3. Ask the user to enter the values of the array. 4. Create another array with of size n with integer data type. 5. Make a copy of the first array to the second array but in reverse order (e.g., the last element in the first array should be st in the first element in the second array and so on). 6. Output values stored in the two arrays. 7. Find and output how many values in both arrays are equal based on the index number, i.e. count matching values of two arrays based on same index value AND the element value of the array. mple Input/output ter n:4

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 program to do the following task: Declare a two-dimensional array with 3 rows and 4 columns and fill it with random integers in the range of 0 to 100. Then create a one-dimensional array of doubles whose elements are the average values of each of the rows of the two-dimensional array. Output the two-dimensional array with the average of each row displayed at the end of each line.using java programming different method
QUESTION 1 Write a Java program to do the following task: Input n from user. Create an array to store n double values. Initialize it with n random numbers ranging from 10.0 to 100.0 (both included). Pass the array to a method that calculates the sum of those n numbers. Print the sum in the method.
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Write a program to accomplish the following tasks:- a) Write a method to print the ArrayList in the reverse order b) Write a method to sort the ArrayList, and display the data after sorting c) Write a method to print the largest and the smallest element in the ArrayList d) In the main method ask user to enter 10 integers, store them in the ArrayList, pass the ArrayList to above methods, and then display the result after each call.
Part 2: Coding 1. Write a complete Java program named FindAverage that contains the following: a. A main method that asks the user to provide the number of rows and columns for a 2- dimensional array of integers. b. A main method calls the getArray() method that creates the 2D array of specified size and populates it with random values from 0 to 100. c. A main method prints the elements of the 2D array created by getArray(). d. A main method calls the printAverage method that will: i. Receive the two-dimensional array as input ii. Calculate the average of elements in this array iii. Display the average on the console. The average of all elements should be formatted as xxx.XX. Hint: you can print the 2D array at any point in the program using either traditional for loop, foreach loop or available methods in java.util package. e. Add comments to your program. Start your program with the following header: *** *** ***** /**** ***
for beginning java, here's my assignment " Write a program that ask the user to enter a list of positive scores until the user enters a negative score to terminate the input. You need to store these scores in an array. You can assume the maximum number of scores the user may enter is 50. However, you need to keep track of the actual number of scores entered. Write 2 methods: 1. calculateAverage(): this method takes the list of scores and return the average score. 2. countPerfectScores(): this method takes the list of scores and return the number of perfect scores (100). The main program reads the input and calls these methods and print the results. Please make sure you write a comment line to document what your method does." Here is my code, " import java.util.Scanner;class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); // Start array for scores int[] scores = new int[50]; int size = 0; // Have user enter scores until…
The Lo Shu Magic Square is a grid with 3 rows and 3 columns shown below. The Lo Shu Magic Square has the following properties: The grid contains the numbers 1 – 9 exactly The sum of each row, each column and each diagonal all add up to the same number. This is shown below: Write a program that simulates a magic square using 3 one dimensional parallel arrays of integer type. Do not use two-dimensional array. Each one the arrays corresponds to a row of the magic square. The program asks the user to enter the values of the magic square row by row and informs the user if the grid is a magic square or not. Processing Requirements - c++ Use the following template to start your project: #include<iostream> using namespace std; // Global constants const int ROWS = 3; // The number of rows in the array const int COLS = 3; // The number of columns in the array const int MIN = 1; // The value of the smallest number const int MAX = 9; // The value of the largest number //…