The document provides a Java program that takes in a 5x8 integer array from user input, stores the values in a two-dimensional array, and outputs the largest and smallest values in the array. The program prompts the user to enter 40 integer values into the array using nested for loops. It then iterates through the array again to find the maximum and minimum values, printing them out at the end.

1. Please help!
Using Java
Write the program that will do the following tasks:
1)Declare a 5 X 8 integer array
2) Using nested for loops prompt and ask the user to enter all 40 values in the array.
3. Output the largest value in the array
4. Output the smallest number in the array
Solution
package Array;
import java.util.Scanner;
public class twodimensional_array {
public static void main (String[] args)Â Â {
Scanner scanner = new Scanner (System.in);
int rows;
int columns;
System.out.println("Enter number of rows: ");
rows = scanner.nextInt();
System.out.println ("Now enter the number of columns: ");
columns = scanner.nextInt();
int [][] matrix = new int [rows] [columns];
for (int i = 0; i < rows; i++) {
for (int j = 0; j < columns; j++) {
System.out.println("Enter the number for row " + i + " and column " + j + " : ");
matrix [i][j] = scanner.nextInt();
System.out.println("Matrix A: ");
for (int i1 = 0; i1 < matrix .length; i1++) {
System.out.println();
for (int j1 = 0; j1 < matrix [i].length; j1++) {
System.out.print(matrix [i1][j1] + " ");
}
}

2. }
}
System.out.println("Matrix A: ");
for (int i1 = 0; i1 < matrix .length; i1++) {
System.out.println();
for (int j1 = 0; j1 < matrix [i1].length; j1++) {
System.out.print(matrix [i1][j1] + " ");
}
}
int maxValue = Integer.MIN_VALUE;
System.out.println(" Max values in 2D array: ");
for (int i2 = 0; i2 < matrix.length; i2++)
for (int j2 = 0; j2 < matrix[i2].length; j2++)
if (matrix[i2][j2] > maxValue)
maxValue = matrix[i2][j2];
System.out.println("Maximum value: " + maxValue);
int minValue =Integer.MAX_VALUE;
System.out.println(" Min values in 2D array: ");
for (int i2 = 0; i2 < matrix.length; i2++)
for (int j2 = 0; j2 < matrix[i2].length; j2++)
if (matrix[i2][j2] < minValue)
minValue = matrix[i2][j2];
System.out.println("Minimum value: " + minValue);
}
}
Here i created a tw dimensional array where you can give your own dimensions and you can pass
the different elements you want.Hope this help you out