View difference between Paste ID: 0JGzXz1M and E5Tdnv5v

 /* Java programme to multiply mattrix*/
 package Matrix;
 import java.util.Scanner;
 public class Matrix1
 {
     public static void main(String[] args)
     {
 
         int r1, c1, r2, c2, i=0, j=0, k;
         int[][] a=new int[10][10];
         int[][] b=new int[10][10];
         Scanner myobject = new Scanner(System.in);
         System.out.println("Enter rows and column for first matrix: ");
         r1=myobject.nextInt();
         c1=myobject.nextInt();
         System.out.println("Enter rows and column for second matrix: ");
         r2=myobject.nextInt();
         c2=myobject.nextInt();
         int[][] mult=new int[r1][c2];
         /* If colum of first matrix in not equal to row of second matrix, asking user to enter the size of matrix again. */
         while (c1!=r2)
         {
             System.out.println("Error! column of first matrix not equal to row of second.\n\n");
             System.out.println("Enter rows and column for first matrix: ");
             r1=myobject.nextInt();
             c1=myobject.nextInt();
             System.out.println("Enter rows and column for second matrix: ");
             r2=myobject.nextInt();
             c2=myobject.nextInt();
         }
         /* Storing elements of first matrix. */
         System.out.println("Enter elements of matrix 1:");
         for(i=0; i<r1; ++i)
         {
             for(j=0; j<c1; ++j)
             {
                 System.out.println("Enter elements"+" a["+(i+1)+"]["+(j+1)+"]: ");
                 a[i][j]=myobject.nextInt();
             }
         }
 
         /* Storing elements of second matrix. */
         System.out.println("\nEnter elements of matrix 2 : ");
         for(i=0; i<r2; ++i)
         {
             for(j=0; j<c2; ++j)
             {
                 System.out.println("Enter elements"+" b["+(i+1)+"]["+(j+1)+"]: ");
                 b[i][j]=myobject.nextInt();
             }
         }
         /*Initializing elements of matrix mult to 0.*/
         for(i=0; i<r1; ++i)
         {
             for(j=0; j<c2; ++j)
             {
                 mult[i][j]=0;
             }
         }
 
         /* Multiplying matrix a and b and storing in array mult. */
         for(i=0; i<r1; ++i)
         {
             for(j=0; j<c2; ++j)
             {
                 for(k=0; k<c1; ++k)
                 {
                     mult[i][j]+=a[i][k]*b[k][j];
                 }
             }
         }
         /* Displaying the multiplication of two matrix. */
         System.out.println("\nOutput Matrix:\n");
         for(i=0; i<r1; ++i)
         {
             for(j=0; j<c2; ++j)
             {
                 System.out.println("  "+mult[i][j]);
                 if(j==c2-1)
                 {
                     System.out.println("\n\n");
                 }
             }
         }
     }
 }