java program to print 3x3 matrix

1// Java program to print 3x3 matrix
2import java.io.BufferedReader;
3import java.io.IOException;
4import java.io.InputStreamReader;
5public class JavaPrint3x3Matrix
6{
7   public static void main(String[] args) throws IOException 
8   {
9      BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
10      int[][] inputNumber = new int[3][3];
11      int a, b;
12      String strMatrix;
13      System.out.println("Please enter elements to print 3x3 matrix: ");
14      for(a = 0; a <= 2; a++)
15      {
16         for(b = 0; b <= 2; b++)
17         {
18            strMatrix = br.readLine();
19            inputNumber[a][b] = Integer.parseInt(strMatrix);
20         }
21      }
22      System.out.println("Elements in 3x3 matrix are: ");
23      System.out.println("");
24      for(a = 0; a <= 2; a++)
25      {
26         for(b = 0; b <= 2; b++)
27         {
28            System.out.print(inputNumber[a][b] + "\t");
29         }
30         System.out.println();
31      }
32   }
33}