Page 342 - Cs_withBlue_J_C11_Flipbook
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Enter a number: 9
              Array 1
              11     44      66
              55     77      99
              88     44      55
              Array 2
              1      2       3
              4      5       6
              7      8       9
              Array after multiplication
              649    770     891
              1056   1287    1518
              649    836     1023


                Program 13     Write a program in Java to store data in a matrix 4 × 4 and display the elements of the matrix
                               by replacing each element of the left diagonal with zero.


                1       import java.util.*;
                2       class diagonal

                3       {
                4           public static void main()

                5           {
                6               Scanner sc= new Scanner(System.in);

                7               int i, j;
                8               int ar[ ][ ]=new int[4][4];

                9               for (i=0; i<4; i++)
                10              {

                11                   for(j=0; j<4; j++)
                12                   {

                13                         System.out.print("Enter a number: ");
                14                         ar[i][j] =sc.nextInt();

                15                   }
                16              }

                17              System.out.println("4x4 matrix is");
                18              for(i=0; i<4; i++)
                19              {

                20                   for(j=0; j<4; j++)

                21                   {



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