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Write a Java program to add two matrices of the same size

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YasminRadwan26
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2022-05-11
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Write a Java program to add two matrices of the same size

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YasminRadwan26
2022-05-11
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In this demo I have used NetBeans IDE 8.2 for debugging purpose. But you can use any java programming language compiler as per your availability..

import java.util.Scanner;
public class Javaexcercise {
 
 public static void main(String args[])
   {
      int a, b, c, d;
      Scanner in = new Scanner(System.in);
 
      System.out.println("Enter number of rows of matrix");
      a = in.nextInt();
      System.out.println("Enter number of columns of matrix");
      b = in.nextInt();
 
      int array1[][] = new int[a][b];
      int array2[][] = new int[a][b];
      int sum[][] = new int[a][b];
 
      System.out.println("Enter elements of first matrix");
 
      for (  c = 0 ; c < a ; c++ )
         for ( d = 0 ; d < b ; d++ )
            array1[c][d] = in.nextInt();
 
      System.out.println("Enter the elements of second matrix");
 
      for ( c = 0 ; c < a ; c++ )
         for ( d = 0 ; d < b ; d++ )
            array2[c][d] = in.nextInt();
 
      for ( c = 0 ; c < a ; c++ )
         for ( d = 0 ; d < b ; d++ )
             sum[c][d] = array1[c][d] + array2[c][d]; 
 
      System.out.println("Sum of the two matrices:");
 
      for ( c = 0 ; c < a ; c++ )
      {
         for ( d = 0 ; d < b ; d++ )
            System.out.print(sum[c][d]+"\t");
 
         System.out.println();
      }
   }
}

Result:

Enter number of rows of matrix

2

Enter number of columns of matrix

2

Enter elements of first matrix

1

2

3

4

Enter the elements of second matrix

1

2

3

4

Sum of the two matrices:

2 4

6 8

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