Microsoft Visual C#
Microsoft Visual C#
7th Edition
ISBN: 9781337102100
Author: Joyce, Farrell.
Publisher: Cengage Learning,
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![画像:2D array, Passing Arrays to Methods, Returning an Array from a Method (Ch8) 2. Read-And-Analyze: Given the code below, answer the following questions. 2 1 import java.util.Scanner; 3 public class Array2DPractice { 4 5 6 7 8 9 10 11 12 13 14 15 16 public static void main(String args[]) { 17 } 18 // Get an array from the user int[][] m = getArray(); // Display array elements System.out.println("You provided the following array "+ java.util.Arrays.deepToString(m)); // Display array characteristics int[] r = findCharacteristics(m); System.out.println("The minimum value is: " + r[0]); System.out.println("The maximum value is: " + r[1]); System.out.println("The average is: " + r[2] * 1.0/(m.length * m[0].length)); 19 // Create an array from user input public static int[][] getArray() { 20 21 PASSTR2222322222222222 222323 F F F F 44 // Create a Scanner to read user input Scanner input = new Scanner(System.in); // Ask user to input a number, and grab that number with the Scanner System.out.println("Please enter the amount of rows you would like: "); int rowAmount = input.nextInt(); System.out.println("Please enter the amount of columns you would like: "); int colAmount = input.nextInt(); // Create the array int[][]m-new int[rowAmount][colAmount]; 24 25 26 27 28 29 30 31 33 34 35 36 37 38 39 40 input.close() 41 42 return m; 43 System.out.println("With spaces to split the numbers, and shift+enter to start a new row, enter a matrix and press enter."); for(int row = 0; row <m.length; row++) for(int col = 0; col <m[row].length; col++) m[row][col]-input.nextInt();](https://content.bartleby.com/qna-images/question/1f1cff89-d0c3-401a-ba77-d9b5f81fcda4/fc50b6d7-86ff-427c-b760-5f50d1d5c43a/nlcbprf_thumbnail.png){kind=link}
Transcribed Image Text:2D array, Passing Arrays to Methods, Returning an Array from a Method (Ch8)
2. Read-And-Analyze: Given the code below, answer the following questions.
2
1 import java.util.Scanner;
3 public class Array2DPractice {
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public static void main(String args[]) {
17 }
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// Get an array from the user
int[][] m = getArray();
// Display array elements
System.out.println("You provided the following array "+ java.util.Arrays.deepToString(m));
// Display array characteristics
int[] r = findCharacteristics(m);
System.out.println("The minimum value is: " + r[0]);
System.out.println("The maximum value is: " + r[1]);
System.out.println("The average is: " + r[2] * 1.0/(m.length * m[0].length));
19 // Create an array from user input
public static int[][] getArray() {
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PASSTR2222322222222222 222323 F F F F
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// Create a Scanner to read user input
Scanner input = new Scanner(System.in);
// Ask user to input a number, and grab that number with the Scanner
System.out.println("Please enter the amount of rows you would like: ");
int rowAmount = input.nextInt();
System.out.println("Please enter the amount of columns you would like: ");
int colAmount = input.nextInt();
// Create the array
int[][]m-new int[rowAmount][colAmount];
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input.close()
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return m;
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System.out.println("With spaces to split the numbers, and shift+enter to start a new row, enter a matrix and
press enter.");
for(int row = 0; row <m.length; row++)
for(int col = 0; col <m[row].length; col++)
m[row][col]-input.nextInt();
![画像:45 46 47 48 49 50 51 52 53 54 55 56 57 =ཟཋ❁༢R62gརྩ⌘*g ུ་ཅཆེདྭི$ཆེ // Given an array, this method finds its characteristics and returns an array public static int[] findCharacteristics (int[][] m) { int min = m[0][0]; int max = m[0][0]; int sum = 0; for(int[] array: m) { for(int element array) { if(element <min) min = element; if(element> max) max = element; 58 59 sum += element; 60 61 63 64 // Create new array to store characteristics int[] c = new int[3]; 65 c[0] = min; 66 c[1] = max; 67 c[2] = sum; 68 69 70 } return c; 71} 2-0. What does the code do? (this can be a general answer) 2-1. When ran, what is going to be the size of the 2D array m? # rows? # columns? (line 7) 2-2.What is the length of the array r? (line 13) 2-3.What does r[2] represent? (line 16) 2-4. What's the difference between m.length and m[0].length? (lines 16) 2-5. Can you explain how the average was calculated? And how was the sum calculated? (line 16,59)](https://content.bartleby.com/qna-images/question/1f1cff89-d0c3-401a-ba77-d9b5f81fcda4/fc50b6d7-86ff-427c-b760-5f50d1d5c43a/s6bqpro_thumbnail.png){kind=link}
Transcribed Image Text:45
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=ཟཋ❁༢R62gརྩ⌘*g ུ་ཅཆེདྭི$ཆེ
// Given an array, this method finds its characteristics and returns an array
public static int[] findCharacteristics (int[][] m) {
int min = m[0][0];
int max = m[0][0];
int sum = 0;
for(int[] array: m) {
for(int element array) {
if(element <min)
min = element;
if(element> max)
max = element;
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sum += element;
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// Create new array to store characteristics
int[] c = new int[3];
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c[0] = min;
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c[1] = max;
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c[2] = sum;
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}
return c;
71}
2-0. What does the code do? (this can be a general answer)
2-1. When ran, what is going to be the size of the 2D array m? # rows? # columns? (line 7)
2-2.What is the length of the array r? (line 13)
2-3.What does r[2] represent? (line 16)
2-4. What's the difference between m.length and m[0].length? (lines 16)
2-5. Can you explain how the average was calculated? And how was the sum calculated? (line
16,59)
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