Create magic box for any odd number from Java

• Start your Eclipse IDE
• Type the following code in a class named MagicSquare:

import java.util.Scanner;

public class MagicSquare {

public static void main(String[] args) {

System.out.println("Welcome to MagicBox");

System.out.println("---------------------------------------------------------------------------");

System.out.println("Enter any odd number for which you want to create a magic box.(Greater than 1");

Scanner scan=new Scanner(System.in);

int n=scan.nextInt();

if (n%2==0) {System.out.println("You didn't enter an odd number");System.exit(0);}

System.out.println("---------------------------------------------------------------------------");

int ct=1;

int a[][]=new int[n][n];

int x=(n+1)/2;

int y=(n-1)/2;

for (int i=0;i<n;i++) {

for (int j=0;j<n;j++) {

a[x][y]=ct;

ct++;x++;y--;

if (x==n) {x=0;}

if (y==-1) {y=n-1;}

}

x=(x+1)%n;y++;if (y==n) {y=0;}

}

int num=(int) Math.floor(Math.log10((double)(Math.pow(n, 2)))+1);

for (int i=0;i<n;i++) {

for (int j=0;j<n;j++) {

if (Math.floor(Math.log10((double)a[j][i])+1)>num) {num=a[j][i];}

}

}

String space="";

double spc=0;

for (int i=0;i<n;i++) {

for (int j=0;j<n;j++) {

spc=num-Math.floor(Math.log10((double)a[j][i])+1);

for (int abc=0;abc<spc;abc++) {

space=space+" ";

}

System.out.print(" |"+" "+a[j][i]+space);

space="";

}

System.out.println(" |");

}

}

}

• Execute the code