
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question
Rearrange the following lines of code to produce a program that generates and prints an array list of random points. Not all lines are useful.
![Unused
for (int i
(
=
0; i<n; i++)
System.out.print("How many points? ");
System.out.println (points);
import java.util.Math;
import java.util.ArrayList;
import java.awt.Point;
import java.awt. Rectangle;
fint x = (int) (MAX ZyMath.random());
Fint y = (int) (MAX * ZyMath.random());
points.add(new Point(x, y));
int n = in.nextInt ();
final int MAX = 100;
ArrayList<Point> points = new ArrayList<Point>();
Demo.java
public class Demo
{
}
Load default template...
public static void main(String[] args)
{
}
Scanner in = new Scanner(System.in);
ZyMath.srand(in.nextInt());](https://content.bartleby.com/qna-images/question/1580620b-ec3d-48da-8d5f-e0e1d6dd1757/9f81c1b5-1823-4f5d-8357-cfe27ae36a36/annhptd_thumbnail.png)
Transcribed Image Text:Unused
for (int i
(
=
0; i<n; i++)
System.out.print("How many points? ");
System.out.println (points);
import java.util.Math;
import java.util.ArrayList;
import java.awt.Point;
import java.awt. Rectangle;
fint x = (int) (MAX ZyMath.random());
Fint y = (int) (MAX * ZyMath.random());
points.add(new Point(x, y));
int n = in.nextInt ();
final int MAX = 100;
ArrayList<Point> points = new ArrayList<Point>();
Demo.java
public class Demo
{
}
Load default template...
public static void main(String[] args)
{
}
Scanner in = new Scanner(System.in);
ZyMath.srand(in.nextInt());
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- 1. Declare an array to hold eight integers. Use a for loop to add eight random integers, all in the range from 50 to 100, inclusive, to this array. Duplicates are okay. Next, pass the array to a method that sorts the array and returns another array containing only the largest and smallest elements in the original array. Print these two values in main. Then use a foreach loop to display all elements of the sorted array on one line separated by a single space. This latter loop should also count the odd and even numbers in the array and determine the sum of all elements in the array. SAMPLE OUTPUT The lowest element is 59 The highest element is 96 Here is the array 59 64 76 77 80 88 91 96 Evens: 5, odds: 3 Total: 631arrow_forwardThe 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 //…arrow_forward
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