JAVA SP T


Lets dive into snapshot of my programs!💻

4. Program to subtract the two matrices.

💡Code:

   import java.util.Scanner;

              public class SubtractMatrices {
                  public static void main(String[] args) {
                      Scanner scanner = new Scanner(System.in);
              
                      // Get the dimensions of the matrices from the user
                      System.out.print("Enter the number of rows: ");
                      int rows = scanner.nextInt();
                      System.out.print("Enter the number of columns: ");
                      int columns = scanner.nextInt();
              
                      // Create the first matrix
                      int[][] matrix1 = new int[rows][columns];
                      System.out.println("Enter elements for the first matrix:");
                      inputMatrix(matrix1, scanner);
              
                      // Create the second matrix
                      int[][] matrix2 = new int[rows][columns];
                      System.out.println("Enter elements for the second matrix:");
                      inputMatrix(matrix2, scanner);
              
                      // Subtract the matrices
                      int[][] differenceMatrix = subtractMatrices(matrix1, matrix2);
              
                      // Display the result
                      System.out.println("Difference of the matrices:");
                      printMatrix(differenceMatrix);
              
                      // Close the scanner
                      scanner.close();
                  }
              
                  // Function to input elements into a matrix
                  private static void inputMatrix(int[][] matrix, Scanner scanner) {
                      for (int i = 0; i < matrix.length; i++) {
                          for (int j = 0; j < matrix[0].length; j++) {
                              System.out.print("Enter element at position [" + (i + 1) + "][" + (j + 1) + "]: ");
                              matrix[i][j] = scanner.nextInt();
                          }
                      }
                  }
              
                  // Function to subtract two matrices
                  private static int[][] subtractMatrices(int[][] matrix1, int[][] matrix2) {
                      int rows = matrix1.length;
                      int columns = matrix1[0].length;
                      int[][] differenceMatrix = new int[rows][columns];
              
                      for (int i = 0; i < rows; i++) {
                          for (int j = 0; j < columns; j++) {
                              differenceMatrix[i][j] = matrix1[i][j] - matrix2[i][j];
                          }
                      }
              
                      return differenceMatrix;
                  }
              
                  // Function to print a matrix
                  private static void printMatrix(int[][] matrix) {
                      for (int i = 0; i < matrix.length; i++) {
                          for (int j = 0; j < matrix[0].length; j++) {
                              System.out.print(matrix[i][j] + " ");
                          }
                          System.out.println(); // Move to the next row
                      }
                  }
              }
              

📸Output :

output