"just adding some comments"

Author: iamsunil25

Arrays/2D Arrays/matrix_Multiplication.java

@@ -9,22 +9,22 @@ public static void main(String args[]) {
         Scanner in = new Scanner(System.in);
 
         System.out.print("Enter Number of Rows and Columns of First Matrix : ");
-        m = in.nextInt();
-        n = in.nextInt();
+        m = in.nextInt(); // enter no. of rows of first matrix
+        n = in.nextInt(); // enter no. of vplumns of first matrix
 
         int first[][] = new int[m][n];
 
         System.out.print("Enter First Matrix Elements : ");
 
         for (c = 0; c < m; c++) {
             for (d = 0; d < n; d++) {
-                first[c][d] = in.nextInt();
+                first[c][d] = in.nextInt(); // here we have to enter first matrix's element
             }
         }
 
         System.out.print("Enter Number of Rows and Columns of Second Matrix : ");
-        p = in.nextInt();
-        q = in.nextInt();
+        p = in.nextInt(); // enter no. of vplumns of second matrix
+        q = in.nextInt(); // enter no. of vplumns of second matrix
 
         if (n != p) {
             System.out.print("Matrix of the entered order can't be Multiplied..!!");
@@ -36,7 +36,7 @@ public static void main(String args[]) {
 
             for (c = 0; c < p; c++) {
                 for (d = 0; d < q; d++) {
-                    second[c][d] = in.nextInt();
+                    second[c][d] = in.nextInt(); // here we have to enter second matrix's element
                 }
             }
 
@@ -48,7 +48,7 @@ public static void main(String args[]) {
                         sum = sum + first[c][k] * second[k][d];
                     }
 
-                    multiply[c][d] = sum;
+                    multiply[c][d] = sum; // here sum is the element of multiply matrix and one by 1 element will be inserted
                     sum = 0;
                 }
             }
@@ -58,7 +58,7 @@ public static void main(String args[]) {
 
             for (c = 0; c < m; c++) {
                 for (d = 0; d < q; d++) {
-                    System.out.print(multiply[c][d] + "\t");
+                    System.out.print(multiply[c][d] + "\t"); // multiply matrix output
                 }
                 System.out.print("\n");
             }