Multiplication of Two Matrix in Java Example

import java.io.*; 
 class MultiplicationofMatrix  
 { 
              
             public static void main(String args[]) throws IOException 
             { 
                         BufferedReader bf=new BufferedReader(new InputStreamReader(System.in)); 
                         int m1[][]=new int[2][4]; 
                         int m2[][]=new int[4][3]; 
                         int m3[][]=new int[2][3]; 
                         int i,j,k; 
                         String m; 
                         System.out.println("Enter elements of first matrix of order 2 x 4"); 
                         for(i=0;i<=1;i++) 
                         { 
                                     for(j=0;j<=3;j++) 
                                     { 
                                                 m=bf.readLine(); 
                                                 m1[i][j]=Integer.parseInt(m); 
                                     } 
                         } 
                         System.out.println("Enter elements of second matrix of order 4 x 3"); 
                         for(i=0;i<=3;i++) 
                         { 
                                     for(j=0;j<=2;j++) 
                                     { 
                                                 m=bf.readLine(); 
                                                 m2[i][j]=Integer.parseInt(m); 
                                     } 
                         } 
                         for(i=0;i<=1;i++) 
                         { 
                                     for(j=0;j<=2;j++) 
                                     { 
                                                 m3[i][j]=0; 
                                                 for(k=0;k<=3;k++) 
                                                 { 
                                                             m3[i][j]=m3[i][j]+m1[i][k]*m2[k][j]; 
                                                 }                       
                                     } 
                         } 
                         System.out.println("The first matrix entered is "); 
                         for(i=0;i<=1;i++) 
                         { 
                                     for(j=0;j<=3;j++) 
                                     { 
                                                 System.out.print(m1[i][j]+"\t"); 
                                     } 
                                     System.out.println(); 
                         } 
                         System.out.println("The second matrix entered is "); 
                         for(i=0;i<=3;i++) 
                         { 
                                     for(j=0;j<=2;j++) 
                                     { 
                                                 System.out.print(m2[i][j]+"\t"); 
                                     } 
                                     System.out.println(); 
                         } 
                         System.out.println("The multiplication of matrix is "); 
                         for(i=0;i<=1;i++) 
                         { 
                                     for(j=0;j<=2;j++) 
                                     { 
                                                 System.out.print(m3[i][j]+"\t"); 
                                     } 
                                     System.out.println(); 
                         } 
             } 
 }